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Home > CA Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. Leena Shankar Nathan, MD

Accepting New Patients

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Specializes in: Obstetrics & Gynecology

Stanford University School of Medicine (2004)

Professional interests include: reproductive health, pregnancy, contraception (birth control), and more.

1250 La Venta Drive Suite 105
Westlake Village, CA 91361

(805) 557-7180

Dr. Leena Shankar Nathan, MD is an obstetrician and gynecologist in Westlake Village, CA specializing in obstetrics & gynecology. She graduated from Stanford University School of Medicine in 2004 and has 22 years of experience. Dr. Leena Shankar Nathan, MD is affiliated with UCLA Health and REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES.

Office Locations

1250 La Venta Drive Suite 105
Westlake Village, CA 91361

(805) 557-7180

(805) 557-7181

open_in_new

32144 Agoura Road Suite 100
Westlake Village, CA 91361

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In The News (see more mentions in the news)

“The Cycle Tracker will help those who menstruate predict future periods, track symptoms such as spotting and cramps, record cycle history and even predict fertility windows - all of which can help...”—"Apple lets users track menstrual cycles on Health app, Watch with software update", USA Today, June 2019

“A smaller-than-normal baby may indicate vascular disease "throughout the body," Dr. Leena Nathan, an assistant OB-GYN professor at the University of California, Los Angeles told TODAY.”—"Pregnancy complications? You could face these life-threatening health issues later", USA Today, December 2018

“Dr. Leena Nathan often finds herself discussing that balance with her older patients. "”—"Short interval between pregnancies linked to increased risks for mom, baby", Fox News, October 2018

Noteworthy Medicare Patient Procedures Performed by Dr. Leena Shankar Nathan, MD in 2023

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

Top 10%

By Volume:

breast exam

pelvic exam

In 2023, Dr. Leena Shankar Nathan, MD performed more breast exam, and pelvic exam procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2014 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	23
doctor visit	75
gynecologic procedures	23

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	72

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	12
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2014

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2014 were high cholesterol, hypertension, depression and diabetes.

Hypertension	40
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	18
Depression	24
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2015 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	30
doctor visit	56
gynecologic procedures	30

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	148

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2015

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2015 were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	50
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2016 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	59
doctor visit	62
gynecologic procedures	59

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	96

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	17
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2016

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2016 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	44
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	11
Asthma	14
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2017 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	88
cytology	12
doctor visit	91
gynecologic pathology	12
gynecologic procedures	88
preventive care	12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	149

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2017

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2017 were high cholesterol, hypertension, depression and ischemic heart disease.

Hypertension	42
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	15
Asthma	0
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2018 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	78
doctor visit	93
gynecologic procedures	78

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Ethnicity**
Non-Hispanic White	114
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2018

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2018 were high cholesterol, hypertension, depression and ischemic heart disease.

Hypertension	48
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2019 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	109
doctor visit	135
gynecologic procedures	109

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	172

**Ethnicity**
Non-Hispanic White	152
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2019

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2019 were high cholesterol, hypertension, osteoperosis and depression.

Hypertension	44
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	20
Depression	22
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	23
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2020 were gynecologic procedures, breast exam and diagnostic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	65
diagnostic procedures	11
doctor visit	98
gynecologic procedures	76

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	121

**Age**
From 65 to 74	83
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2020

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2020 were high cholesterol, hypertension, osteoperosis and depression.

Hypertension	47
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	25
Depression	26
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	31
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	9
Diabetes	14
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2021 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	101
doctor visit	141
gynecologic procedures	101

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	170

**Ethnicity**
Non-Hispanic White	150
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2021

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2021 were high cholesterol, hypertension, osteoperosis and ischemic heart disease.

Hypertension	45
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	25
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2022 were gynecologic procedures, breast exam and diagnostic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	90
diagnostic procedures	11
doctor visit	131
gynecologic procedures	101

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	160

**Ethnicity**
Non-Hispanic White	141
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2022

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2022 were high cholesterol, hypertension, osteoperosis and depression.

Hypertension	48
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	19
Depression	19
Chronic Kidney Disease	8
Asthma	16
Osteoperosis	32
Atrial Fibrilation	9
Heart Failure	0
Chronic Obstructive Pulmonary Disease	8
Diabetes	14
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA during 2023 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

breast exam	74
doctor visit	123
gynecologic procedures	74

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Male	0
Female	150

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD in 2023

The most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated during 2023 were high cholesterol, hypertension, osteoperosis and ischemic heart disease.

Hypertension	43
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	13
Asthma	15
Osteoperosis	31
Atrial Fibrilation	8
Heart Failure	0
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Leena Shankar Nathan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Leena Shankar Nathan, MD treated as an obstetrician and gynecologist in Westlake Village, CA were gynecologic procedures, breast exam, preventive care and cytology.

breast exam	71
cytology	12
diagnostic procedures	11
doctor visit	100
gynecologic pathology	12
gynecologic procedures	73
preventive care	12

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Leena Shankar Nathan, MD.

**Gender**
Female	114
Male	0

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	98
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	24
Less than 65	0
65 to 74	83

Average of Total of Conditions of Medicare patients treated by Dr. Leena Shankar Nathan, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Leena Shankar Nathan, MD treated were high cholesterol, hypertension, osteoperosis and ischemic heart disease.

Hypertension	41
High Cholesterol	51
Stroke	1
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	9
Asthma	6
Osteoporosis	21
Heart Failure	0
Chronic Obstructive Pulmonary Disease	2
Diabetes	14
Atrial Fibrillation	1
Cancer	9
Dementia	0

Education & Training

Dr. Leena Shankar Nathan, MD graduated from Stanford University School of Medicine in 2004. She completed residency at University of California, Los Angeles (UCLA) Affiliated Hospitals. She is certified by the Obstetrics and Gynecology, American Board of Obstetrics and Gynecology and has a state license in California.

Medical School: Stanford University School of Medicine (2004)

Residency: University of California, Los Angeles (UCLA) Affiliated Hospitals (2011)

Board Certification: Obstetrics and Gynecology, American Board of Obstetrics and Gynecology (2016)

Licensed In: California

Affiliations & Hospitals

Dr. Leena Shankar Nathan, MD is associated with these hospitals and organizations:

UCLA Health

REGENTS OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Leena Shankar Nathan, MD appears to accept the following insurance providers: Private Healthcare Systems (PHCS), TRICARE, Cigna, Aetna, Blue Shield of California, MultiPlan, Anthem, UnitedHealthcare, Medicare Advantage, Prime Health, First Health, HealthSmart, Centivo, Health Net of California and UFCM Health System.

Insurance Accepted by Provider includes:

According to our sources, Dr. Leena Shankar Nathan, MD accepts the following insurance providers:

Private Healthcare Systems (PHCS)

TRICARE

Cigna

Aetna

Blue Shield of California

MultiPlan

Anthem

UnitedHealthcare

Medicare Advantage

Prime Health

First Health

HealthSmart

Centivo

Health Net of California

UFCM Health System

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General Payments

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

**Payments by Company**
Shionogi Inc	$152 Osphena $152
Hologic, LLC	$111 ACESSA PROVU SYSTEM $95	MYOSURE TISSUE REMOVAL DEVICE $16
OPTIMER PHARMACEUTICALS INC	$97 DIFICID $97
The Medicines Company	$97 ORBACTIV $97
Kerecis Limited	$80 Kerecis Omega3 Wound $80
Other	$220 ZERBAXA $70	MD HPV CTNG $27	SuperCut Hysterectomy Scissors $24	KIDNEY STONE DISEASE $23	CVI $22	Other $54

**Types of Payments**
Food and Beverage	$752
Education	$5

Biography

Dr. Leena Nathan is a specialist in family medicine and obstetrics & gynecology in Westlake Village, CA. She attended medical school at Stanford University School of Medicine. Dr. Nathan's residency was performed at a hospital affiliated with the University of California, Los Angeles (UCLA). Her clinical interests include annual gynecological exam (well woman exam), contraception (birth control), and infertility. She accepts Anthem, UnitedHealthcare, and Blue California, in addition to other insurance carriers. Dr. Nathan has received the following distinctions: First La Reina High School Distinguished Alumnus Award; Resident Research Award, UCLA OBGYN; and Resident Research Award, Kaiser Woodland Hills Family Practice. In addition to English, Dr. Nathan (or staff) speaks Spanish and Tamil. Dr. Nathan is affiliated with UCLA Health and HCA Far West Division. She has an open panel in Westlake Village, CA according to UCLA Health.