WESTCHESTER INTERNAL MEDICINE PC
NPI 1245279660
Internal Medicine in Sleepy Hollow, NY

Q: What is Westchester Internal Medicine PC's NPI number?

The NPI number for Westchester Internal Medicine PC is 1245279660. It was assigned to this organization in the NPPES registry on June 5, 2006.

Q: What is Westchester Internal Medicine PC's specialty?

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

Active since June 05, 2006

777 N BROADWAY, SUITE 310, SLEEPY HOLLOW, NY 10591(914) 333-0034(914) 333-0046 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Westchester Internal Medicine Pc NPPES

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

WESTCHESTER INTERNAL MEDICINE PC (NPI 1245279660) is a healthcare organization registered as an internal medicine in Sleepy Hollow, New York and active in the NPI registry since June 2006. The organization lists Owen Joseph O'neill, President, as its authorized official.

NPPES Registry Identity

NPI1245279660

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameWESTCHESTER INTERNAL MEDICINE PC

Location Address777 N BROADWAY, SUITE 310Sleepy Hollow, NY 10591-1000

Mailing Address777 N Broadway, Suite 310Sleepy Hollow, NY 10591-1000 · (914) 333-0034 · Fax (914) 333-0046

Phone(914) 333-0034

Fax(914) 333-0046

Organization SubpartNo

Authorized OfficialOwen Joseph O'neillPresident · (914) 333-0034

Enumeration DateJune 5, 2006

Last NPPES UpdateAugust 22, 2020

✔ NPI 1245279660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 176762

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.

777 N BROADWAY, Sleepy Hollow, NY 10591

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIETA STUMPF MS, CCC-SLP

Speech-Language Pathologist

777 N BROADWAY
SLEEPY HOLLOW, NY 10591

Westchester County (914) 366-3010

PHILIP C CARON MD

Internal Medicine (Medical Oncology)

777 N BROADWAY
SLEEPY HOLLOW, NY 10591

Westchester County (212) 639-2000

DR. ANJALI ANKOLEKAR MD

Obstetrics & Gynecology

777 N BROADWAY, SUITE 308
SLEEPY HOLLOW, NY 10591

Westchester County (914) 631-0908

DR. LOUIS ANTHONY BUZZEO MD

Internal Medicine (Nephrology)

777 N BROADWAY, SUITE 203
SLEEPY HOLLOW, NY 10591

Westchester County (914) 332-9100

BORIS A MUELLER MD

Radiology (Radiation Oncology)

777 N BROADWAY
SLEEPY HOLLOW, NY 10591

Westchester County (212) 639-2000

HUDSON VALLEY SURGICAL GROUP, LLP

Surgery

777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591

Westchester County (914) 631-3660

PHELPS MEMORIAL HOSPITAL

General Acute Care Hospital

777 N BROADWAY, SUITE 303
SLEEPY HOLLOW, NY 10591

Westchester County (914) 366-3011

MICHAEL IRVING WEITZEN D.O.

Surgery

777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591

Westchester County (914) 631-3660

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 Westchester Internal Medicine PC's NPI number?

The NPI number for Westchester Internal Medicine PC is 1245279660. It was assigned to this organization in the NPPES registry on June 5, 2006.

Where is Westchester Internal Medicine PC located?

Westchester Internal Medicine PC is located at 777 N Broadway Suite 310, Sleepy Hollow, NY 10591. The listed phone number is (914) 333-0034.

What is Westchester Internal Medicine PC's specialty?

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

When was this NPI record last updated?

The NPPES record for Westchester Internal Medicine PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.