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Dr. Ellen M. Grimm, MD

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Specializes in: Adult Nephrology and Pediatric Nephrology

University of Texas Medical School at Houston

Professional interests include: kidney transplant, hypertension (high blood pressure), chronic kidney disease (CKD), and more.

3101 Highway 71 East Unit 201
Bastrop, TX 78602

(512) 901-4010

Dr. Ellen M. Grimm, MD is a nephrologist in San Marcos, TX specializing in adult nephrology and pediatric nephrology. She graduated from University of Texas Medical School at Houston. Dr. Ellen M. Grimm, MD is affiliated with Ascension, CHRISTUS Health, Dell Children's Medical Center of Central Texas, St. David's HealthCare, Austin Diagnostic Clinic, Dell Seton Medical Center, The University of Texas (UT) System, Ascension Seton Hays, Ascension Seton Medical Center Austin, Ascension Seton Williamson, Dell Children's Medical Center North Campus, St. David's South Austin Medical Center St. David's Medical Center and Ascension Seton Edgar B. Davis.

Office Locations

St. David's South Austin Medical Center St. David's Medical Center

1330 Wonder World Drive Suite 101
San Marcos, TX 78666

(512) 805-0680

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CHRISTUS Health

3101 Highway 71 East Unit 201
Bastrop, TX 78602

(512) 901-4010

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Some issues Dr. Ellen M. Grimm, MD 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.

Noteworthy Medicare Patient Procedures Performed by Dr. Ellen M. Grimm, MD in 2023

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Ellen M. Grimm, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Texas.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2012 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	114
doctor visit	733
hospital care	720
inpatient care	720
lab tests	17
preventive care	106
vaccines	106

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2013 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	132
doctor visit	651
hospital care	965
inpatient care	965
lab tests	23
preventive care	65
vaccines	65

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	304
Female	273

**Ethnicity**
Non-Hispanic White	299
Black	0
Hispanic	219
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	182
85 and over	76
Less than 65	149

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	59
Depression	27
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	57
Chronic Obstructive Pulmonary Disease	18
Diabetes	67
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2014 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	116
doctor visit	578
hospital care	792
inpatient care	792
preventive care	103
vaccines	103

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	280
Female	258

**Ethnicity**
Non-Hispanic White	292
Black	0
Hispanic	188
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	175
85 and over	73
Less than 65	139

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	61
Depression	29
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	58
Chronic Obstructive Pulmonary Disease	17
Diabetes	67
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2015 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	98
doctor visit	465
hospital care	700
inpatient care	700
preventive care	44
vaccines	44

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	504
Female	504

**Ethnicity**
Non-Hispanic White	534
Black	0
Hispanic	346
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	270
From 75 to 84	322
85 and over	156
Less than 65	260

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	63
Depression	27
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	11
Atrial Fibrilation	23
Heart Failure	58
Chronic Obstructive Pulmonary Disease	18
Diabetes	66
Dementia	21
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2016 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	28
doctor visit	332
hospital care	309
inpatient care	309
preventive care	60
vaccines	60

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	180
Female	161

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	146
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	99
85 and over	58
Less than 65	83

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	61
Depression	18
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	52
Chronic Obstructive Pulmonary Disease	15
Diabetes	66
Dementia	23
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2017 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	64
doctor visit	492
hospital care	411
inpatient care	411
preventive care	45
vaccines	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	212
Female	181

**Ethnicity**
Non-Hispanic White	197
Black	0
Hispanic	168
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	118
85 and over	56
Less than 65	97

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	58
Depression	24
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	50
Chronic Obstructive Pulmonary Disease	13
Diabetes	67
Dementia	22
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2018 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	58
doctor visit	422
hospital care	435
inpatient care	435
preventive care	43
vaccines	43

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	208
Female	184

**Ethnicity**
Non-Hispanic White	194
Black	0
Hispanic	172
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	108
85 and over	63
Less than 65	110

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	63
Depression	28
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	53
Chronic Obstructive Pulmonary Disease	18
Diabetes	68
Dementia	22
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2019 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	54
doctor visit	370
hospital care	368
inpatient care	368
preventive care	24
vaccines	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	198
Female	158

**Ethnicity**
Non-Hispanic White	165
Black	0
Hispanic	166
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	85
85 and over	54
Less than 65	110

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	63
Depression	28
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	53
Chronic Obstructive Pulmonary Disease	15
Diabetes	69
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2020 were hospital care, inpatient care, dialysis and preventive care.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	87
doctor visit	278
hospital care	349
inpatient care	349
preventive care	25
vaccines	25

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	200
Female	156

**Ethnicity**
Non-Hispanic White	169
Black	0
Hispanic	147
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	80
85 and over	50
Less than 65	112

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	62
Depression	30
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	56
Chronic Obstructive Pulmonary Disease	15
Diabetes	71
Dementia	21
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2021 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	55
doctor visit	260
hospital care	354
inpatient care	354

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	153
Female	157

**Ethnicity**
Non-Hispanic White	153
Black	20
Hispanic	126
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	73
85 and over	38
Less than 65	99

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	52
Chronic Obstructive Pulmonary Disease	13
Diabetes	66
Dementia	23
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX during 2022 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

dialysis	40
doctor visit	218
hospital care	221
inpatient care	221

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	111
Female	115

**Ethnicity**
Non-Hispanic White	123
Black	0
Hispanic	86
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	67
85 and over	29
Less than 65	64

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	57
Depression	33
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	17
Atrial Fibrilation	29
Heart Failure	52
Chronic Obstructive Pulmonary Disease	17
Diabetes	65
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ellen M. Grimm, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ellen M. Grimm, MD treated as a nephrologist in San Marcos, TX were hospital care, inpatient care, dialysis and preventive care.

dialysis	76
doctor visit	436
hospital care	511
inpatient care	511
lab tests	20
preventive care	57
vaccines	57

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ellen M. Grimm, MD.

**Gender**
Male	213
Female	195

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	207
Native American / Alaskan Native	0
Hispanic	160
Other	0

**Age**
75 to 84	119
85 and over	59
Less than 65	111
65 to 74	119

Average of Total of Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	68
Asthma	9
Osteoporosis	8
Heart Failure	49
Chronic Obstructive Pulmonary Disease	14
Diabetes	61
Atrial Fibrillation	18
Cancer	8
Dementia	18

Education & Training

Dr. Ellen M. Grimm, MD graduated from University of Texas Medical School at Houston. She completed residency at University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals. She is certified by the pediatrics, pediatric nephrology, internal medicine, and nephrology and has a state license in Texas.

Medical School: University of Texas Medical School at Houston

Residency: University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals

Board Certification: pediatrics, pediatric nephrology, internal medicine, and nephrology

Licensed In: Texas

Affiliations & Hospitals

Dr. Ellen M. Grimm, MD is associated with these hospitals and organizations:

Ascension

CHRISTUS Health

Dell Children's Medical Center of Central Texas

St. David's HealthCare

Austin Diagnostic Clinic

Dell Seton Medical Center

The University of Texas (UT) System

Ascension Seton Hays

Ascension Seton Medical Center Austin

Ascension Seton Williamson

Dell Children's Medical Center North Campus

St. David's South Austin Medical Center St. David's Medical Center

Ascension Seton Edgar B. Davis

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General Payments

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

**Payments by Company**
Raptor Pharmaceuticals	$689 PROCYSBI $689
Boston Scientific Corporation	$251 GENERAL - VASCULAR INTERVENTION $131	PAIN MANAGEMENT $71	WATCHMAN $48
Fresenius USA Marketing, Inc.	$172 Velphoro $57	Crit-Line $19	$96
AstraZeneca Pharmaceuticals LP	$167 LOKELMA $124	EVUSHELD $24	FARXIGA $20
Horizon Therapeutics plc	$137 KRYSTEXXA $137
Other	$940 AlloDerm $109	Parsabiv $100	XARELTO $96	Edwards SAPIEN 3 Transcatheter Heart Valve $93	Circulatory Support $82	Other $460

**Types of Payments**
Food and Beverage	$1,541
Education	$815

Biography

Dr. Ellen Grimm specializes in pediatric nephrology and adult nephrology. Areas of particular interest for Dr. Grimm include hypertension (high blood pressure), chronic kidney disease (CKD), and kidney transplant. Her hospital/clinic affiliations include Dell Children's Medical Center of Central Texas, Dell Seton Medical Center, and Austin Diagnostic Clinic. She graduated from the University of Texas Medical School at Houston and then she performed her residency at a hospital affiliated with the University of Texas Health Science Center at Houston and a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas. Dr. Grimm has received the following distinction: Texas Super Doctors. In addition to English, she speaks Spanish.

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Dr. Ellen M. Grimm, MD

Office Locations

Some issues Dr. Ellen M. Grimm, MD can help you with:

Noteworthy Medicare Patient Procedures Performed by Dr. Ellen M. Grimm, MD in 2023

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Ellen M. Grimm, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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