LAWRENCE MEDICAL ASSOCIATES, PC
NPI 1023257441
Internal Medicine in Yorktown Heights, NY

Q: What is Lawrence Medical Associates, PC's NPI number?

The NPI number for Lawrence Medical Associates, PC is 1023257441. It was assigned to this organization in the NPPES registry on February 9, 2009. The provider is doing business as NewYork-Presbyterian Medical Group/Westchester.

Q: What is Lawrence Medical Associates, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since February 09, 2009

2649 STRANG BLVD STE 304, YORKTOWN HEIGHTS, NY 10598(646) 745-6369 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2026, Mar 13, 2026, Nov 12, 2025 and 5 more (8 updates tracked since 2021).

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About Lawrence Medical Associates, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAWRENCE MEDICAL ASSOCIATES, PC (NPI 1023257441), doing business as Newyork-presbyterian Medical Group/westchester, is a healthcare organization registered as an internal medicine in Yorktown Heights, New York and active in the NPI registry since February 2009. The organization lists Kim Harper, Payer Enrollment Manager, as its authorized official.

NPPES Registry Identity

NPI1023257441

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameLAWRENCE MEDICAL ASSOCIATES, PC

Location Address2649 STRANG BLVD STE 304Yorktown Heights, NY 10598-2938

Mailing Address2649 Strang Blvd Ste 304Yorktown Heights, NY 10598-2938

Phone(646) 745-6369

Organization SubpartNo

Authorized OfficialKim HarperPayer Enrollment Manager · (267) 979-8095

Enumeration DateFebruary 9, 2009

Last NPPES UpdateJuly 23, 20268 updates tracked since enumeration

NPPES CertifiedJuly 23, 2026

✔ NPI 1023257441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2649 STRANG BLVD STE 304, Yorktown Heights, NY 10598

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Other Names 1

Doing Business AsNewyork-presbyterian Medical Group/westchester

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lawrence Medical Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

530

Medicare enrollment records show 530 clinicians reassign Medicare billing to Lawrence Medical Associates, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 6 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 34

Internal Medicine106

Nurse Practitioner59

Emergency Medicine41

Pediatric Medicine38

Obstetrics/Gynecology33

Psychiatry31

Diagnostic Radiology24

Hospitalist23

26 other specialties175

Nearest to this location (20)

See all 530

Marcus Lien, MD

Critical Care (Intensivists)

NPI 1063439941

2649 STRANG BLVD STE 304
Yorktown Heights, NY 10598

(914) 739-0087

✔ PECOSSame address

Krassimire Mirtchev, MD

Internal Medicine

NPI 1477543064

1980 CROMPOND ROAD THE WESTCHESTER MEDICAL PRACTICE PC
Cortlandt Manor, NY 10567

(914) 734-3600

✔ PECOS✔ Accepts Medicare3.8 mi

James Trapasso, D.O.

Internal Medicine

NPI 1083630735

1985 CROMPOND RD SUITE 1
Cortlandt Manor, NY 10567

(914) 739-6550

✔ PECOS3.9 mi

Pavan Ananth, M.D.

Obstetrics/Gynecology

NPI 1396148573

1978 CROMPOND RD
Cortlandt Manor, NY 10567

(914) 736-6180

✔ PECOS3.9 mi

Roy Oommen, MD

Thoracic Surgery

NPI 1669653184

1978 CROMPOND RD
Cortlandt Manor, NY 10567

(914) 293-8600

✔ PECOS✔ Accepts Medicare3.9 mi

Nandini Anandu, MD

Internal Medicine

NPI 1023056678

400 E MAIN ST NORTHERN WESTCHESTER HOSPITAL
Mount Kisco, NY 10549

(914) 666-1200

✔ PECOS✔ Accepts Medicare8.3 mi

Sainu Joby

Nurse Practitioner

NPI 1780274605

139 NEW YORK AVE
Congers, NY 10920

(845) 270-1916

✔ PECOS12 mi

Paige Schwartz, DO

Emergency Medicine

NPI 1881621779

701 NORTH BROADWAY PHELPS MEMORIAL HOSPITAL
Sleepy Hollow, NY 10591

(914) 366-1554

✔ PECOS✔ Accepts Medicare13 mi

Carolyn Wasserheit-Lieblich, MD

Medical Oncology

NPI 1669452819

777 N BROADWAY
Sleepy Hollow, NY 10591

(212) 639-2000

✔ PECOS13 mi

Iqbal Sheikh, MD

Psychiatry

NPI 1114960895

NYMC BEHAVIORAL HEALTH CENTER N312
Valhalla, NY 10595

(914) 493-7124

✔ PECOS✔ Accepts Medicare14 mi

Joseph Vozzolo, M.D.

Cardiovascular Disease (Cardiology)

NPI 1023314895

19 BRADHURST AVE SUITE 700
Hawthorne, NY 10532

(914) 337-3500

✔ PECOS✔ Accepts Medicare14 mi

Karyi Coyle, M.D.

Critical Care (Intensivists)

NPI 1679802284

100 WOODS RD ACP BUILDING, 3RD FLOOR
Valhalla, NY 10595

(914) 493-7518

✔ PECOS✔ Accepts Medicare14 mi

Usman Siddiqui, M.D.

Internal Medicine

NPI 1356774491

311 N MIDLAND AVE STE 2
Nyack, NY 10960

(845) 358-5006

✔ PECOS✔ Accepts Medicare15 mi

Heather Bigby, CNM

Certified Nurse Midwife (CNM)

NPI 1801283957

160 N MIDLAND AVE
Nyack, NY 10960

(845) 348-2660

✔ PECOS✔ Accepts Medicare15 mi

Christopher Sayegh, MD

Urology

NPI 1184086431

258 HIGH AVE
Nyack, NY 10960

(845) 600-4876

✔ PECOS✔ Accepts Medicare15 mi

Arpan Goel, M.B.B.S.

General Surgery

NPI 1497915417

210 WESTCHESTER AVE
White Plains, NY 10604

(914) 682-0700

✔ PECOS✔ Accepts Medicare19 mi

Laurence Miller, M.D.

Pulmonary Disease

NPI 1407800303

1055 SAW MILL RIVER RD STE 210
Ardsley, NY 10502

(914) 231-7666

✔ PECOS✔ Accepts Medicare19 mi

Michael Orofino, M.D.

Obstetrics/Gynecology

NPI 1619051562

141 S CENTRAL AVE STE 205
Hartsdale, NY 10530

(914) 793-5588

✔ PECOS✔ Accepts Medicare19 mi

Anatoliy Tsirlin, M.D.

Endocrinology

NPI 1366603078

292 LONG RIDGE RD STE 206
Stamford, CT 06902

(203) 276-7213

✔ PECOS✔ Accepts Medicare20 mi

Eric Fishman, M.D.

Vascular Surgery

NPI 1437165495

3030 WESTCHESTER AVE
Purchase, NY 10577

(914) 848-8750

✔ PECOS✔ Accepts Medicare21 mi

See all 530 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lawrence Medical Associates, PC's NPI number?

The NPI number for Lawrence Medical Associates, PC is 1023257441. It was assigned to this organization in the NPPES registry on February 9, 2009. The provider is doing business as NewYork-Presbyterian Medical Group/Westchester.

Where is Lawrence Medical Associates, PC located?

Lawrence Medical Associates, PC is located at 2649 Strang Blvd Ste 304, Yorktown Heights, NY 10598. The listed phone number is (646) 745-6369.

What is Lawrence Medical Associates, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lawrence Medical Associates, PC enrolled in Medicare?

Yes. Lawrence Medical Associates, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lawrence Medical Associates, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 530 clinicians in 34 Medicare specialties reassign their Medicare billing to Lawrence Medical Associates, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (106), Nurse Practitioner (59) and Emergency Medicine (41). Of these, 1 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Lawrence Medical Associates, PC was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.