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Dr. Ramdas Nanda Kumar, MD

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Specializes in: Adult Nephrology

St. Louis University School of Medicine

227 W Janss Road
Thousand Oaks, CA 91360

(805) 496-5800

Dr. Ramdas Nanda Kumar, MD is a nephrologist in Northridge, CA specializing in adult nephrology. He graduated from St. Louis University School of Medicine. Dr. Ramdas Nanda Kumar, MD is affiliated with Dignity Health and Northridge Hospital Medical Center.

Office Locations

Northridge Hospital Medical Center

18433 Roscoe Boulevard Suite 202
Northridge, CA 91325

(818) 349-1262

(818) 349-7529

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227 W Janss Road
Thousand Oaks, CA 91360

(805) 496-5800

(805) 834-1088

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Noteworthy Medicare Patient Procedures Performed by Dr. Ramdas Nanda Kumar, MD in 2023

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

Top 10%

By Volume:

inpatient hospital care

In 2023, Dr. Ramdas Nanda Kumar, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Affordability:

transabdominal ultrasound

In 2012, Dr. Ramdas Nanda Kumar, MD had a list price for transabdominal ultrasound that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2012 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

dialysis	126
doctor visit	80
hospital care	2793
inpatient care	2793

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2013 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

dialysis	78
doctor visit	127
hospital care	1417
inpatient care	1417

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	150
Female	161

**Ethnicity**
Non-Hispanic White	157
Black	72
Hispanic	55
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	93
85 and over	60
Less than 65	84

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2013

Hypertension	75
High Cholesterol	65
Stroke	21
Ischemic Heart Disease	73
Depression	41
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	67
Chronic Obstructive Pulmonary Disease	36
Diabetes	73
Dementia	40
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2014 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

dialysis	48
doctor visit	104
hospital care	1512
inpatient care	1512

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	152
Female	155

**Ethnicity**
Non-Hispanic White	151
Black	64
Hispanic	73
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	89
85 and over	57
Less than 65	81

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	19
Ischemic Heart Disease	72
Depression	40
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	70
Chronic Obstructive Pulmonary Disease	36
Diabetes	74
Dementia	38
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2015 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

dialysis	51
doctor visit	23
hospital care	1519
inpatient care	1519

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	306
Female	280

**Ethnicity**
Non-Hispanic White	254
Black	134
Hispanic	154
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	136
85 and over	98
Less than 65	194

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2015

Hypertension	75
High Cholesterol	74
Stroke	22
Ischemic Heart Disease	75
Depression	39
Chronic Kidney Disease	75
Asthma	25
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	70
Chronic Obstructive Pulmonary Disease	34
Diabetes	72
Dementia	39
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2016 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

dialysis	85
doctor visit	75
hospital care	1793
inpatient care	1793

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	251
Female	264

**Ethnicity**
Non-Hispanic White	242
Black	125
Hispanic	119
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	147
85 and over	99
Less than 65	130

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	75
Depression	41
Chronic Kidney Disease	75
Asthma	36
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	75
Chronic Obstructive Pulmonary Disease	36
Diabetes	73
Dementia	48
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2017 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

dialysis	85
doctor visit	117
hospital care	1745
inpatient care	1745

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	255
Female	279

**Ethnicity**
Non-Hispanic White	246
Black	143
Hispanic	113
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	139
85 and over	90
Less than 65	147

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2017

Hypertension	75
High Cholesterol	74
Stroke	22
Ischemic Heart Disease	74
Depression	45
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	75
Chronic Obstructive Pulmonary Disease	37
Diabetes	75
Dementia	43
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2018 were hospital care, inpatient care, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

abdominal imaging	20
doctor visit	259
hospital care	2629
inpatient care	2629
pelvic imaging	20
ultrasound (sonogram)	40

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	269
Female	226

**Ethnicity**
Non-Hispanic White	376
Black	16
Hispanic	52
Asian	35
Other	16
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	159
85 and over	153
Less than 65	53

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	73
Depression	39
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	14
Atrial Fibrilation	32
Heart Failure	64
Chronic Obstructive Pulmonary Disease	31
Diabetes	58
Dementia	32
Cancer	19

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2019 were hospital care, inpatient care, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

abdominal imaging	16
doctor visit	390
hospital care	3265
inpatient care	3265
pelvic imaging	16
ultrasound (sonogram)	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	315
Female	262

**Ethnicity**
Non-Hispanic White	430
Black	0
Hispanic	59
Asian	51
Other	19
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	183
85 and over	165
Less than 65	56

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	70
Depression	38
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	16
Atrial Fibrilation	31
Heart Failure	64
Chronic Obstructive Pulmonary Disease	31
Diabetes	56
Dementia	32
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2020 were hospital care, inpatient care, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

abdominal imaging	11
doctor visit	498
hospital care	3070
inpatient care	3070
pelvic imaging	11
ultrasound (sonogram)	22

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	324
Female	251

**Ethnicity**
Non-Hispanic White	409
Black	14
Hispanic	91
Asian	44
Other	17
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	202
85 and over	181
Less than 65	54

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	74
Depression	40
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	14
Atrial Fibrilation	30
Heart Failure	67
Chronic Obstructive Pulmonary Disease	30
Diabetes	60
Dementia	38
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2021 were hospital care, inpatient care, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

abdominal imaging	22
doctor visit	705
hospital care	3097
inpatient care	3097
pelvic imaging	22
ultrasound (sonogram)	44

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	334
Female	282

**Ethnicity**
Non-Hispanic White	433
Black	27
Hispanic	87
Asian	49
Other	20
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	226
85 and over	162
Less than 65	66

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	69
Depression	34
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	12
Atrial Fibrilation	27
Heart Failure	61
Chronic Obstructive Pulmonary Disease	24
Diabetes	60
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA during 2022 were hospital care, inpatient care, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

abdominal imaging	31
doctor visit	890
hospital care	3170
inpatient care	3170
pelvic imaging	31
ultrasound (sonogram)	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	407
Female	331

**Ethnicity**
Non-Hispanic White	545
Black	21
Hispanic	94
Asian	56
Other	22
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	286
85 and over	204
Less than 65	48

Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	60
Depression	34
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	20
Atrial Fibrilation	43
Heart Failure	57
Chronic Obstructive Pulmonary Disease	30
Diabetes	59
Dementia	22
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ramdas Nanda Kumar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ramdas Nanda Kumar, MD treated as a nephrologist in Northridge, CA were hospital care, inpatient care, dialysis and ultrasound (sonogram).

abdominal imaging	20
dialysis	78
doctor visit	297
hospital care	2364
inpatient care	2364
pelvic imaging	20
ultrasound (sonogram)	40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ramdas Nanda Kumar, MD.

**Gender**
Male	251
Female	226

**Ethnicity**
Black / African American	56
Asian / Pacific Islander	21
Non-Hispanic White	294
Native American / Alaskan Native	0
Hispanic	81
Other	8

**Age**
75 to 84	150
85 and over	115
Less than 65	83
65 to 74	128

Average of Total of Conditions of Medicare patients treated by Dr. Ramdas Nanda Kumar, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Ramdas Nanda Kumar, MD treated were chronic kidney disease, hypertension, high cholesterol and ischemic heart disease.

Hypertension	68
High Cholesterol	66
Stroke	17
Ischemic Heart Disease	65
Depression	35
Chronic Kidney Disease	68
Asthma	15
Osteoporosis	10
Heart Failure	60
Chronic Obstructive Pulmonary Disease	29
Diabetes	60
Atrial Fibrillation	25
Dementia	33
Cancer	12

Education & Training

Dr. Ramdas Nanda Kumar, MD graduated from St. Louis University School of Medicine. He completed residency at Rush University Medical Center. He is certified by the Internal Medicine (Sub: Nephrology) and has a state license in California.

Medical School: St. Louis University School of Medicine

Residency: Rush University Medical Center

Board Certification: Internal Medicine (Sub: Nephrology)

Licensed In: California

Affiliations & Hospitals

Dr. Ramdas Nanda Kumar, MD is associated with these hospitals and organizations:

Dignity Health

Northridge Hospital Medical Center

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$819 FARXIGA $383	LOKELMA $382	$55
Otsuka America Pharmaceutical, Inc.	$690 JYNARQUE $537	SAMSCA $153
Relypsa, Inc.	$517 VELTASSA $517
SANOFI-AVENTIS U.S. LLC	$502 TOUJEO $241	SOLIQUA $241	RENVELA $20
Horizon Therapeutics plc	$501 KRYSTEXXA $475	$26
Other	$4,442 Kerendia $453	ACTHAR $355	XARELTO $216	Vascepa $216	LUPKYNIS $212	Other $2,990

**Types of Payments**
Food and Beverage	$6,877
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$482
Education	$112

Biography

Dr. Ramdas Kumar is a physician who specializes in general practice and adult nephrology. He graduated from St. Louis University School of Medicine and then he performed his residency at Rush University Medical Center. He is conversant in Malayalam. Dr. Kumar is professionally affiliated with Northridge Hospital Medical Center. Unfortunately, according to Dignity Health, he is not currently accepting new patients.