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Home > NY Providers

Dr. Leigh Kwak, MD

Accepting New Patients

(21 Ratings)

Specializes in: Adult Endocrinology

Ross University School of Medicine

2071 Boston Post Road
Larchmont, NY 10538

(914) 834-4123

Dr. Leigh Kwak, MD is an endocrinologist in YORKTOWN HEIGHTS, NY specializing in adult endocrinology. This provider graduated from Ross University School of Medicine. Dr. Leigh Kwak, MD is affiliated with Montefiore Einstein, White Plains Hospital Physician Associates, White Plains Hospital and WHITE PLAINS PHYSICIAN SERVICES.

Office Locations

3379 CROMPOND ROAD
YORKTOWN HEIGHTS, NY 10598

open_in_new

White Plains Hospital

2071 Boston Post Road
Larchmont, NY 10538

(914) 834-4123

(914) 849-7062

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Noteworthy Medicare Patient Procedures Performed by Dr. Leigh Kwak, MD in 2023

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

Top 25%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2013, Dr. Leigh Kwak, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New York. 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

2021 Medicare Procedure Volume

The top procedures that Dr. Leigh Kwak, MD treated as an endocrinologist in YORKTOWN HEIGHTS, NY during 2021 were blood draw.

Volume of procedures performed by Dr. Leigh Kwak, MD for Medicare patients.

blood draw	12

Conditions of Medicare patients treated by Dr. Leigh Kwak, MD in 2021

The most common conditions of Medicare patients that Dr. Leigh Kwak, MD treated during 2021 were hypertension, high cholesterol and chronic kidney disease.

Hypertension	71
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	57
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leigh Kwak, MD treated as an endocrinologist in YORKTOWN HEIGHTS, NY during 2022 were blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Leigh Kwak, MD for Medicare patients.

blood draw	104
doctor visit	157
hospital care	34
inpatient care	34

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leigh Kwak, MD.

**Gender**
Male	51
Female	60

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leigh Kwak, MD in 2022

The most common conditions of Medicare patients that Dr. Leigh Kwak, MD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	36
Depression	25
Chronic Kidney Disease	32
Asthma	14
Osteoperosis	26
Atrial Fibrilation	20
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	43
Dementia	10
Cancer	32

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Leigh Kwak, MD treated as an endocrinologist in YORKTOWN HEIGHTS, NY during 2023 were blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Leigh Kwak, MD for Medicare patients.

blood draw	185
doctor visit	309
hospital care	89
inpatient care	89

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Leigh Kwak, MD.

**Gender**
Male	99
Female	147

**Ethnicity**
Non-Hispanic White	178
Black	25
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	77
85 and over	47
Less than 65	16

Conditions of Medicare patients treated by Dr. Leigh Kwak, MD in 2023

The most common conditions of Medicare patients that Dr. Leigh Kwak, MD treated during 2023 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	28
Atrial Fibrilation	24
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	48
Dementia	15
Cancer	30

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2021 - 2023

Volume of procedures performed by Dr. Leigh Kwak, MD for Medicare patients.

The highest averages for the top procedures that Dr. Leigh Kwak, MD treated as an endocrinologist in YORKTOWN HEIGHTS, NY were blood draw, hospital care and inpatient care.

blood draw	100
doctor visit	233
hospital care	61
inpatient care	61

Average Medicare Patient Data From 2021 - 2023

Information about Medicare patients treated by Dr. Leigh Kwak, MD.

**Gender**
Male	50
Female	69

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	0
Non-Hispanic White	89
Native American / Alaskan Native	0
Hispanic	7
Other	0

**Age**
75 to 84	36
85 and over	15
Less than 65	5
65 to 74	51

Average of Total of Conditions of Medicare patients treated by Dr. Leigh Kwak, MD From 2021 - 2023

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

Hypertension	73
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	39
Asthma	8
Osteoporosis	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Atrial Fibrillation	14
Cancer	20
Dementia	8

Education & Training

Dr. Leigh Kwak, MD graduated from Ross University School of Medicine. This provider completed residency at New York-Presbyterian Hospital. This provider is certified by the Board Certification: Internal Medicine and has a state license in New York.

Medical School: Ross University School of Medicine

Residency: New York-Presbyterian Hospital

Board Certification: Board Certification: Internal Medicine

Licensed In: New York

Affiliations & Hospitals

Dr. Leigh Kwak, MD is associated with these hospitals and organizations:

Montefiore Einstein

White Plains Hospital Physician Associates

White Plains Hospital

WHITE PLAINS PHYSICIAN SERVICES

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. Leigh Kwak, MD appears to accept the following insurance providers: Group Health Incorporated (GHI), WellCare, MVP Health Care, Medicare Advantage, Elderplan, MultiPlan, Aetna, Affinity Health Plan, MagnaCare, United Healthcare, Oxford Health Plans, Great-West Healthcare, Medicare, Medicaid, Humana, Cigna, 1199SEIU, Fidelis Care, Molina Healthcare, TRICARE, Healthfirst, Anthem, HealthSmart, Empire BlueCross BlueShield, EMPIRE PLAN (NYSHIP), EXCLUDING LOCAL 272 TEAMSTERS & LOCAL 812 as of 8.15.25, LONGEVITY, BC HEALTHPLUS, AGEWELL, NALC (National Association of Letter Carriers), CENTERLIGHT (CCM & PACE), PARTNERS HEALTH PLAN, UMR, OSCAR COMMERCIAL, NIPPON LIFE, NORTHWELL DIRECT, CENTIVO, CHRISTIAN BROTHERS, ALLIED BENEFIT PLAN, EXCLUDING APCN NETWORK, VNS, Centerlight, GEHA (GOVERNMENT EMPLOYEES HEALTH ASSOCIATION), - as of 4.1.2025 WPH is no longer participating with Northwell, EXCLUDING MILLENNIUM PLANS, 1199SEIU Benefit Funds by Aetna, MERITAIN, HAMASPIK and Centivo.

Insurance Accepted by Provider includes:

According to our sources, Dr. Leigh Kwak, MD accepts the following insurance providers:

Group Health Incorporated (GHI)

WellCare

MVP Health Care

Medicare Advantage

Elderplan

MultiPlan

Aetna

Affinity Health Plan

MagnaCare

United Healthcare

Oxford Health Plans

Great-West Healthcare

Medicare

Medicaid

Humana

Cigna

1199SEIU

Fidelis Care

Molina Healthcare

TRICARE

Healthfirst

Anthem

HealthSmart

Empire BlueCross BlueShield

EMPIRE PLAN (NYSHIP)

EXCLUDING LOCAL 272 TEAMSTERS & LOCAL 812 as of 8.15.25

LONGEVITY

BC HEALTHPLUS

AGEWELL

NALC (National Association of Letter Carriers)

CENTERLIGHT (CCM & PACE)

PARTNERS HEALTH PLAN

UMR

OSCAR COMMERCIAL

NIPPON LIFE

NORTHWELL DIRECT

CENTIVO

CHRISTIAN BROTHERS

ALLIED BENEFIT PLAN

EXCLUDING APCN NETWORK

VNS

Centerlight

GEHA (GOVERNMENT EMPLOYEES HEALTH ASSOCIATION)

- as of 4.1.2025 WPH is no longer participating with Northwell

EXCLUDING MILLENNIUM PLANS

1199SEIU Benefit Funds by Aetna

MERITAIN

HAMASPIK

Centivo

Ratings & Reviews

Dr. Leigh Kwak, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 21 ratings. We collect ratings and reviews of Dr. Leigh Kwak, MD from all over the web to help you find the right in YORKTOWN HEIGHTS, NY.

Overall Rating

(21 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2023-10-23

Dr. Kwak is an exceptional physician. He is knowledgeable, personable, and easy to talk to about my health concerns.  I never feel rushed during my visits, and I appreciate his care.

Reviews From Around The Web

Overall Rating: 5.0 2025-05-14