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Dr. Janaki N. Ramanathan, MD

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Specializes in: Diagnostic Radiology

University of Texas Medical Branch School of Medicine

504 Redwood Boulevard Suite 300
Novato, CA 94947

(415) 884-3418

Dr. Janaki N. Ramanathan, MD is a diagnostic radiologist in Novato, CA specializing in diagnostic radiology. She graduated from University of Texas Medical Branch School of Medicine. Dr. Janaki N. Ramanathan, MD is affiliated with Sutter Health.

Office Locations

Sutter Health

504 Redwood Boulevard Suite 300
Novato, CA 94947

(415) 884-3418

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2012 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	444
MRI (magnetic resonance imaging)	741
musculoskeletal imaging	741

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2013 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	534
MRI (magnetic resonance imaging)	895
musculoskeletal imaging	895

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	352
Female	516

**Ethnicity**
Non-Hispanic White	753
Black	21
Hispanic	42
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	515
From 75 to 84	210
85 and over	32
Less than 65	111

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2013

Hypertension	54
High Cholesterol	49
Stroke	2
Ischemic Heart Disease	22
Depression	18
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	7
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	3
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2014 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	621
MRI (magnetic resonance imaging)	1053
musculoskeletal imaging	1053

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	433
Female	601

**Ethnicity**
Non-Hispanic White	856
Black	35
Hispanic	72
Asian	34
Other	25
Native American	12

**Age**
From 65 to 74	612
From 75 to 84	239
85 and over	42
Less than 65	141

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2014

Hypertension	53
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	13
Asthma	7
Osteoperosis	6
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2015 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	598
MRI (magnetic resonance imaging)	1105
musculoskeletal imaging	1105

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	868
Female	1274

**Ethnicity**
Non-Hispanic White	1782
Black	70
Hispanic	120
Asian	70
Other	60
Native American	40

**Age**
From 65 to 74	1310
From 75 to 84	480
85 and over	76
Less than 65	276

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2015

Hypertension	56
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	14
Asthma	12
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	7
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	3
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2016 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	638
MRI (magnetic resonance imaging)	1073
musculoskeletal imaging	1073

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	415
Female	651

**Ethnicity**
Non-Hispanic White	898
Black	28
Hispanic	75
Asian	23
Other	28
Native American	14

**Age**
From 65 to 74	669
From 75 to 84	228
85 and over	33
Less than 65	136

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2016

Hypertension	55
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	16
Asthma	15
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	6
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	2
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2017 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	689
MRI (magnetic resonance imaging)	1244
musculoskeletal imaging	1244

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	514
Female	694

**Ethnicity**
Non-Hispanic White	1036
Black	27
Hispanic	62
Asian	24
Other	42
Native American	17

**Age**
From 65 to 74	739
From 75 to 84	304
85 and over	33
Less than 65	132

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2017

Hypertension	56
High Cholesterol	45
Stroke	2
Ischemic Heart Disease	21
Depression	21
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	6
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2018 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	783
MRI (magnetic resonance imaging)	1245
musculoskeletal imaging	1245

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	518
Female	683

**Ethnicity**
Non-Hispanic White	999
Black	0
Hispanic	60
Asian	42
Other	56
Native American	0

**Age**
From 65 to 74	759
From 75 to 84	310
85 and over	29
Less than 65	103

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2018

Hypertension	57
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	5
Atrial Fibrilation	6
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	3
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2019 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	802
MRI (magnetic resonance imaging)	1284
musculoskeletal imaging	1284

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	527
Female	705

**Ethnicity**
Non-Hispanic White	1030
Black	27
Hispanic	63
Asian	48
Other	53
Native American	11

**Age**
From 65 to 74	808
From 75 to 84	313
85 and over	34
Less than 65	77

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2019

Hypertension	50
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	15
Asthma	8
Osteoperosis	7
Atrial Fibrilation	5
Heart Failure	5
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	3
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2020 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	707
MRI (magnetic resonance imaging)	1092
musculoskeletal imaging	1092

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	428
Female	630

**Ethnicity**
Non-Hispanic White	908
Black	0
Hispanic	37
Asian	39
Other	48
Native American	0

**Age**
From 65 to 74	678
From 75 to 84	278
85 and over	32
Less than 65	70

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2020

Hypertension	47
High Cholesterol	48
Stroke	2
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	8
Atrial Fibrilation	5
Heart Failure	5
Chronic Obstructive Pulmonary Disease	5
Diabetes	16
Dementia	3
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2021 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	824
MRI (magnetic resonance imaging)	1330
musculoskeletal imaging	1330

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	525
Female	763

**Ethnicity**
Non-Hispanic White	1069
Black	0
Hispanic	55
Asian	47
Other	77
Native American	0

**Age**
From 65 to 74	819
From 75 to 84	349
85 and over	30
Less than 65	90

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2021

Hypertension	49
High Cholesterol	54
Stroke	2
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	6
Chronic Obstructive Pulmonary Disease	5
Diabetes	17
Dementia	3
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA during 2022 were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

hip imaging	318
MRI (magnetic resonance imaging)	535
musculoskeletal imaging	535

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	218
Female	300

**Ethnicity**
Non-Hispanic White	444
Black	11
Hispanic	16
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	315
From 75 to 84	158
85 and over	13
Less than 65	32

Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD in 2022

Hypertension	58
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	12
Asthma	12
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Janaki N. Ramanathan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Janaki N. Ramanathan, MD treated as a diagnostic radiologist in Novato, CA were musculoskeletal imaging, MRI (magnetic resonance imaging) and hip imaging.

hip imaging	632
MRI (magnetic resonance imaging)	1054
musculoskeletal imaging	1054

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Janaki N. Ramanathan, MD.

**Gender**
Male	436
Female	619

**Ethnicity**
Black / African American	19
Asian / Pacific Islander	32
Non-Hispanic White	888
Native American / Alaskan Native	8
Hispanic	54
Other	38

**Age**
75 to 84	260
85 and over	32
Less than 65	106
65 to 74	656

Average of Total of Conditions of Medicare patients treated by Dr. Janaki N. Ramanathan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Janaki N. Ramanathan, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	48
High Cholesterol	47
Stroke	2
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	13
Asthma	8
Osteoporosis	7
Heart Failure	5
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Atrial Fibrillation	5
Cancer	7
Dementia	2

Education & Training

Dr. Janaki N. Ramanathan, MD graduated from University of Texas Medical Branch School of Medicine. She completed residency at University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals. She is certified by the Board Certification: Radiology and has a state license in California.

Medical School: University of Texas Medical Branch School of Medicine

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

Board Certification: Board Certification: Radiology

Licensed In: California

Affiliations & Hospitals

Dr. Janaki N. Ramanathan, MD is associated with these hospitals and organizations:

Sutter Health

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Biography

Dr. Janaki Ramanathan is a physician who specializes in diagnostic radiology. In addition to English, she speaks Tamil. Dr. Ramanathan is professionally affiliated with Sutter Health. She obtained her medical school training at the University of Texas Medical Branch School of Medicine and performed her residency at a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas.