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Dr. Kathryn M. Ratanavanich, DO

Accepting New Patients
(Dr. Kathryn Ratanavanich, D.O.)

(No ratings)

Specializes in: Adult Nephrology
Western University of Health Sciences, College of Osteopathic Medicine of the Pacific (2002)
Professional interests include: acute kidney injury (AKI), electrolyte disorders, laparoscopic renal biopsy, and more.
3800 Reservoir Road Nw
Washington, DC 20007

Dr. Kathryn M. Ratanavanich, DO is a nephrologist in Washington, DC specializing in adult nephrology. She graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in 2002 and has 24 years of experience. Dr. Kathryn M. Ratanavanich, DO is affiliated with MedStar Montgomery Medical Center, MedStar Georgetown University Hospital, Holy Cross Health, MedStar Washington Hospital Center, MedStar Health, MedStar Southern Maryland Hospital Center and MONTGOMERY RENAL ASSOCIATES P.A..

View Doctor's Full Profile (202) 444-2000

Office Locations

106 Irving Street Nw Suite 418
Washington, DC 20010
(202) 882-2500
(202) 726-8076
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110 Irving Street Nw
Washington, DC 20010
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18101 Prince Philip Drive
Olney, MD 20832
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MedStar Southern Maryland Hospital Center

3800 Reservoir Road Nw
Washington, DC 20007
(202) 444-2000
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3941 Ferrara Drive
Wheaton, MD 20906
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7503 Surratts Road
Clinton, MD 20735
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Some issues Dr. Kathryn M. Ratanavanich, DO can help you with:

Dialysis

Dialysis is a procedure that replicates renal (kidney) function by filtering patients' blood. When kidneys do not work properly, waste can accumulate in the blood and unbalanced chemicals can impair the body's critical functions. In order to stay healthy, a person without proper kidney function must receive dialysis. There are two forms of dialysis treatment: hemodialysis and peritoneal dialysis. Both forms of dialysis are recurring treatments that in many cases last throughout the lifetime of the affected patient. Patients who briefly lose renal function may slowly reduce the frequency of dialysis sessions until their kidneys recover. However, most patients who start on dialysis remain on dialysis for the rest of their lives or until they receive a kidney transplant.

A number of conditions can worsen renal function and lead to end-stage or acute kidney failure. When kidneys fail (i.e. nearly 90 percent of their function is lost), dialysis is typically prescribed. Conditions that cause chronic kidney failure (eventually requiring dialysis) include:

  • Type 1 and 2 Diabetes
  • Pyelonephritis, recurring kidney infection
  • Glomerulonephritis, inflammation of the kidney's filtering parts
  • Polycystic kidney disease
  • Interstitial nephritis, inflammation of the kidney's tubules
  • High blood pressure
  • Vesicoureteral reflux, improper bladder emptying

For hemodialysis (the more common form of dialysis), a patient will visit a hospital or clinic and be connected to a dialysis machine by a needle attached to a tube that draws blood from the arm. The drawn blood is transferred to the dialysis machine, where it is filtered and separated until clean. Waste products from the blood pass into a fluid called dialysate, which is pumped out of the machine into a waste receptacle. The machine also measures and helps ensure the blood has the appropriate level of fluid, electrolytes, and pH. A tube delivers the cleaned blood back into the patient's body. A dialysis session like this will typically last for three to four hours, with a patient undergoing dialysis around three times per week.

A second method of dialysis is known as peritoneal dialysis. Unlike hemodialysis, peritoneal dialysis can be performed at home by oneself after an initial surgery. To start, a physician (generally a surgeon) will make a small incision in the lower abdomen and insert and surgically attach a catheter (thin tube). At home, the patient connects a pump to the abdomen catheter, delivering dialysate (dialysis fluid) from a bag hanging on a wheeled stand. This fluid enters the peritoneal cavity (greater abdomen area containing the stomach, liver, and intestines) and collects waste through osmosis, where waste in the blood moves across a membrane and into the dialysate. This process continues for several hours until the fluid concentration is equal between the blood and dialysate, at which point the fluid can be drained. The fluid can then be passed through a machine called a cycler, which removes waste and allows for the dialysate to be reused. This process is repeated about four times per day. Dialysis patients must limit the amount of fluid they consume prior to receiving dialysis and should also avoid eating salty foods. The cycler cannot filter more than a certain amount of waste products from the blood.

Kidneys are important organs, and dialysis treatments are vital for those with renal dysfunction. For many, dialysis is not so much a medical procedure but a part of their normal life.

Kidney Stones

Kidney stones are hard deposits that form in the kidneys, made up of minerals that are normally present in urine. They can vary in size, from as small as a grain of sand to as large as a nickel, occasionally even larger. Sometimes they lodge in the kidney, and sometimes they break free and make their way out through the urinary tract, which can be extremely painful.

Kidney stones can be smooth or jagged and are yellow to brown in color. They are mostly comprised of the minerals calcium, oxalate, and phosphorus. Examining the stones to see what they are made of can show what caused the stone to be formed in the first place. For example, a stone made of mostly calcium, which is the most common type, can happen any time the urine becomes too concentrated due to dehydration or a blockage in the kidney. A uric acid stone forms when acid levels in the urine get too high, usually due to excessive consumption of animal protein such as meat and fish. A struvite stone is a sign of certain infections, and a cystine stone can be due to a genetic disorder that raises the risk of kidney stones.

The most common symptom of kidney stones is pain, either in the back or lower abdomen, or severe pain when urinating. There may also be blood in the urine. Treatment for kidney stones depends on how large the stone is. Very small stones can pass out of the body on their own, and they do not require treatment other than drinking adequate water and taking pain killers. Larger stones need to be broken apart and removed. The main treatment options are:

  • Shock wave lithotripsy, which uses sound wave vibrations to break apart the stone
  • Percutaneous nephrolithotomy, or the use of a very tiny tool (like a wire inserted through the back) to break apart and remove the stone
  • Ureteroscopy, a thin tube inserted through the urethra and bladder to the stone, where tiny tools can grasp the stone and remove

People who have had one kidney stone are at risk of developing another. To reduce this risk, patients are given instructions specific to the type of stone they developed. Generally the instructions will include drinking more water to dilute the urine, but it may also involve lowering sodium intake or eating less meat.

Peritoneal Dialysis

Peritoneal dialysis is a procedure that imitates renal (kidney) function by filtering patients' blood. When the kidneys do not work properly, waste can accumulate in the blood and unbalanced chemicals can impair the body's critical functions. In order to stay healthy, a person without proper kidney function must receive dialysis. There are two forms of dialysis treatment: hemodialysis and peritoneal dialysis. Both forms of dialysis are recurring treatments that in many cases last throughout the lifetime of the affected patient.

Peritoneal dialysis can be performed at home by oneself after an initial surgery. To start, a physician (generally a surgeon) will make a small incision in the lower abdomen and insert and surgically attach a catheter (thin tube). At home, the patient connects a pump to the abdomen catheter, delivering dialysate (dialysis fluid) from a bag hanging on a wheeled stand. This fluid enters the peritoneal cavity (greater abdomen area containing the stomach, liver, and intestines) and collects waste through osmosis, where waste in the blood moves across a membrane and into the dialysate. This process continues for several hours until the fluid concentration is equal between the blood and dialysate, at which point the fluid can be drained. The fluid can then be passed through a machine called a cycler, which removes waste and allows for the dialysate to be reused. This process is repeated about four times per day. Dialysis patients must limit the amount of fluid they consume prior to receiving dialysis and should also avoid eating salty foods. The cycler cannot filter more than a certain amount of waste products from the blood.

Kidneys are important organs, and peritoneal dialysis can be vital for those with renal dysfunction. Peritoneal dialysis may be a more convenient alternative to hemodialysis, which requires going into a clinic.

Noteworthy Medicare Patient Procedures Performed by Dr. Kathryn M. Ratanavanich, DO in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

hospital care
inpatient care
inpatient hospital care

In 2023, Dr. Kathryn M. Ratanavanich, DO had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within District of Columbia. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Kathryn M. Ratanavanich, DO performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within District of Columbia.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2012 were hospital care, inpatient care, dialysis and nursing home care.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 151
doctor visit 56
hospital care 726
inpatient care 726
nursing home care 55

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2013 were hospital care, inpatient care, dialysis and nursing home care.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 212
doctor visit 92
hospital care 680
inpatient care 680
nursing home care 26

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 92
Female 93
Ethnicity
Non-Hispanic White 0
Black 173
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 61
From 75 to 84 34
85 and over 16
Less than 65 74

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2013

Hypertension 75
High Cholesterol 75
Stroke 12
Ischemic Heart Disease 62
Depression 17
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 0
Atrial Fibrilation 8
Heart Failure 59
Chronic Obstructive Pulmonary Disease 15
Diabetes 75
Dementia 25
Cancer 11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2014 were hospital care, inpatient care, dialysis and nursing home care.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 163
doctor visit 82
hospital care 678
inpatient care 678
nursing home care 25

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 79
Female 81
Age
From 65 to 74 51
From 75 to 84 29
85 and over 11
Less than 65 69

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2014

Hypertension 75
High Cholesterol 75
Stroke 16
Ischemic Heart Disease 59
Depression 15
Chronic Kidney Disease 75
Asthma 13
Osteoperosis 0
Atrial Fibrilation 7
Heart Failure 59
Chronic Obstructive Pulmonary Disease 17
Diabetes 73
Dementia 26
Cancer 9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2015 were hospital care, inpatient care, dialysis and nursing home care.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 116
doctor visit 64
hospital care 683
inpatient care 683
nursing home care 54

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 162
Female 140
Ethnicity
Non-Hispanic White 0
Black 274
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 102
From 75 to 84 0
85 and over 0
Less than 65 128

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2015

Hypertension 75
High Cholesterol 75
Stroke 13
Ischemic Heart Disease 65
Depression 19
Chronic Kidney Disease 75
Asthma 14
Osteoperosis 0
Atrial Fibrilation 13
Heart Failure 61
Chronic Obstructive Pulmonary Disease 20
Diabetes 75
Dementia 28
Cancer 11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2016 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 92
doctor visit 36
hospital care 530
inpatient care 530

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 65
Female 70
Age
From 65 to 74 44
From 75 to 84 0
85 and over 0
Less than 65 65

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2016

Hypertension 75
High Cholesterol 75
Stroke 13
Ischemic Heart Disease 61
Depression 20
Chronic Kidney Disease 75
Asthma 19
Osteoperosis 0
Atrial Fibrilation 11
Heart Failure 57
Chronic Obstructive Pulmonary Disease 16
Diabetes 75
Dementia 24
Cancer 11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2017 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 238
doctor visit 61
hospital care 1255
inpatient care 1255

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 108
Female 100
Ethnicity
Non-Hispanic White 0
Black 194
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 63
From 75 to 84 38
85 and over 16
Less than 65 91

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2017

Hypertension 75
High Cholesterol 75
Stroke 12
Ischemic Heart Disease 63
Depression 18
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 0
Atrial Fibrilation 11
Heart Failure 66
Chronic Obstructive Pulmonary Disease 20
Diabetes 75
Dementia 24
Cancer 11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2018 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 136
doctor visit 46
hospital care 544
inpatient care 544

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 90
Female 78
Ethnicity
Non-Hispanic White 23
Black 128
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 44
From 75 to 84 44
85 and over 19
Less than 65 61

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2018

Hypertension 75
High Cholesterol 75
Stroke 11
Ischemic Heart Disease 66
Depression 23
Chronic Kidney Disease 75
Asthma 7
Osteoperosis 0
Atrial Fibrilation 14
Heart Failure 65
Chronic Obstructive Pulmonary Disease 24
Diabetes 71
Dementia 26
Cancer 11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2019 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 21
doctor visit 232
hospital care 517
inpatient care 517
lab tests 76

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 184
Female 161
Ethnicity
Non-Hispanic White 174
Black 98
Hispanic 27
Asian 30
Other 0
Native American 0
Age
From 65 to 74 112
From 75 to 84 105
85 and over 78
Less than 65 50

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2019

Hypertension 75
High Cholesterol 75
Stroke 17
Ischemic Heart Disease 66
Depression 33
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 9
Atrial Fibrilation 23
Heart Failure 52
Chronic Obstructive Pulmonary Disease 21
Diabetes 60
Dementia 30
Cancer 13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2020 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 15
doctor visit 234
hospital care 743
inpatient care 743

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 223
Female 182
Ethnicity
Non-Hispanic White 195
Black 124
Hispanic 35
Asian 37
Other 0
Native American 0
Age
From 65 to 74 129
From 75 to 84 127
85 and over 76
Less than 65 73

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2020

Hypertension 75
High Cholesterol 75
Stroke 12
Ischemic Heart Disease 61
Depression 28
Chronic Kidney Disease 75
Asthma 8
Osteoperosis 7
Atrial Fibrilation 20
Heart Failure 51
Chronic Obstructive Pulmonary Disease 16
Diabetes 61
Dementia 31
Cancer 14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2021 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 53
doctor visit 350
hospital care 694
inpatient care 694

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 243
Female 230
Ethnicity
Non-Hispanic White 224
Black 143
Hispanic 37
Asian 52
Other 17
Native American 0
Age
From 65 to 74 149
From 75 to 84 160
85 and over 83
Less than 65 81

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2021

Hypertension 75
High Cholesterol 75
Stroke 15
Ischemic Heart Disease 61
Depression 33
Chronic Kidney Disease 75
Asthma 9
Osteoperosis 8
Atrial Fibrilation 20
Heart Failure 48
Chronic Obstructive Pulmonary Disease 12
Diabetes 63
Dementia 29
Cancer 13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC during 2022 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

dialysis 26
doctor visit 370
hospital care 680
inpatient care 680

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 223
Female 223
Ethnicity
Non-Hispanic White 237
Black 135
Hispanic 24
Asian 39
Other 11
Native American 0
Age
From 65 to 74 133
From 75 to 84 171
85 and over 84
Less than 65 58

Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO in 2022

Hypertension 75
High Cholesterol 75
Stroke 22
Ischemic Heart Disease 50
Depression 28
Chronic Kidney Disease 75
Asthma 12
Osteoperosis 13
Atrial Fibrilation 33
Heart Failure 43
Chronic Obstructive Pulmonary Disease 16
Diabetes 59
Dementia 20
Cancer 18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kathryn M. Ratanavanich, DO for Medicare patients.

The highest averages for the top procedures that Dr. Kathryn M. Ratanavanich, DO treated as a nephrologist in Washington, DC were hospital care, inpatient care, dialysis and lab tests.

dialysis 111
doctor visit 147
hospital care 702
inpatient care 702
lab tests 76
nursing home care 40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO.

Gender
Male 133
Female 123
Ethnicity
Black / African American 115
Asian / Pacific Islander 14
Non-Hispanic White 77
Native American / Alaskan Native 0
Hispanic 11
Other 2
Age
75 to 84 64
85 and over 34
Less than 65 68
65 to 74 80

Average of Total of Conditions of Medicare patients treated by Dr. Kathryn M. Ratanavanich, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Kathryn M. Ratanavanich, DO treated were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension 68
High Cholesterol 68
Stroke 13
Ischemic Heart Disease 55
Depression 21
Chronic Kidney Disease 68
Asthma 10
Osteoporosis 3
Heart Failure 51
Chronic Obstructive Pulmonary Disease 16
Diabetes 62
Atrial Fibrillation 14
Dementia 23
Cancer 11

Education & Training

Dr. Kathryn M. Ratanavanich, DO graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific in 2002. She completed residency at Washington Hospital Center. She is certified by the American Board of Internal Medicine, Internal Medicine and has a state license in District of Columbia.

Medical School: Western University of Health Sciences, College of Osteopathic Medicine of the Pacific (2002)

Residency: Washington Hospital Center (2005)

Board Certification: American Board of Internal Medicine, Internal Medicine

Licensed In: District of Columbia

Affiliations & Hospitals

Dr. Kathryn M. Ratanavanich, DO is associated with these hospitals and organizations:

MedStar Montgomery Medical Center
MedStar Georgetown University Hospital
Holy Cross Health
MedStar Washington Hospital Center
MedStar Health
MedStar Southern Maryland Hospital Center
MONTGOMERY RENAL ASSOCIATES P.A.

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Kathryn M. Ratanavanich, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
OPKO Pharmaceuticals, LLC $182 Rayaldee
$182
Relypsa, Inc. $173 VELTASSA
$173
Vifor Pharma, Inc. $150 KORSUVA
$81 		VELTASSA
$42 		Korsuva
$27
AstraZeneca Pharmaceuticals LP $149 FARXIGA
$76 		LOKELMA
$73
Fresenius USA Marketing, Inc. $110 Velphoro
$91 		Dialyzers
$18
Other $691 ACTHAR
$119 		Kerendia
$88 		TARPEYO
$85 		Renal - PD
$77 		JYNARQUE
$60 		Other
$262
Types of Payments
Food and Beverage $1,281
Education $174

Biography

Dr. Kathryn Ratanavanich is an adult nephrology specialist. She graduated from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. For her professional training, Dr. Ratanavanich completed residency programs at Washington Hospital Center and Georgetown University Hospital. Clinical interests for Dr. Ratanavanich include renal artery stenosis, intravenous pyelogram (IVP), and lupus nephritis. Her hospital/clinic affiliations include Holy Cross Health, MedStar Georgetown University Hospital, and MedStar Southern Maryland Hospital Center. According to Holy Cross Health, she is currently accepting new patients at her office in Wheaton, MD.

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