BETH ISRAEL MEDICAL GROUP OF MOUNT SINAI
NPI 1568868834
Internal Medicine in New York, NY

Q: What is Icahn School Of Medicine At Mount Sinai's specialty?

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

Active since November 13, 2014

55 WEST 34TH STREET, 1ST FLOOR, NEW YORK, NY 10016(212) 252-6231 Get Directions Write a Review

NPPES record last updated: November 13, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Beth Israel Medical Group Of Mount Sinai NPPES

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

BETH ISRAEL MEDICAL GROUP OF MOUNT SINAI (NPI 1568868834) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since November 2014. The organization lists Crystal Macneill, Vice President, Cbo Director, as its authorized official.

NPPES Registry Identity

NPI1568868834

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

Location Address55 WEST 34TH STREET, 1ST FLOORNew York, NY 10016

Mailing Address500 7th Ave, 8th FloorNew York, NY 10018-4502 · (212) 731-6870 · Fax (212) 731-6788

Phone(212) 252-6231

Organization SubpartNo

Authorized OfficialCrystal MacneillVice President, Cbo Director · (212) 731-6802

Enumeration DateNovember 13, 2014

✔ NPI 1568868834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ 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.

Also ListedAllergy & ImmunologyTaxonomy 207K00000X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

55 WEST 34TH STREET, New York, NY 10016

Open in Google Maps ↗

Other Names 1

Doing Business AsBeth Israel Medical Group Of Mount Sinai

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)

Beth Israel Medical Group Of Mount Sinai is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

344

Medicare enrollment records show 344 clinicians reassign Medicare billing to Beth Israel Medical Group Of Mount Sinai, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 277 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 39

Psychiatry54

Hospitalist43

Internal Medicine40

Cardiovascular Disease (Cardiology)36

General Surgery25

Gastroenterology15

Endocrinology14

Pulmonary Disease14

31 other specialties103

Nearest to this location (20)

See all 344

Maurice Rachko, MD

Cardiovascular Disease (Cardiology)

NPI 1730163825

55 E 34TH ST FL 2
New York, NY 10016

(212) 252-6171

✔ PECOS✔ Accepts MedicareSame address

Gil Ascunce, M.D.

Gastroenterology

NPI 1023265428

161 MADISON AVE RM 10SW
New York, NY 10016

(212) 889-2400

✔ PECOS✔ Accepts Medicare0.1 mi

Frederick Ast, MD

Allergy/Immunology

NPI 1699742288

35 E 30TH ST STE 1A
New York, NY 10016

(212) 725-7027

✔ PECOS✔ Accepts Medicare0.2 mi

Sapna Chaudhary, D.O.

Family Practice

NPI 1013026186

245 5TH AVE 2ND FLOOR
New York, NY 10016

(646) 935-2265

✔ PECOS0.3 mi

Martin Ehrlich, M.D.

Internal Medicine

NPI 1952333817

245 5TH AVE 2ND FLOOR
New York, NY 10016

(646) 935-2270

✔ PECOS✔ Accepts Medicare0.3 mi

Reena Rupani, M.D.

Dermatology

NPI 1457576530

245 5TH AVE 2ND FLOOR
New York, NY 10016

(646) 935-2257

✔ PECOS✔ Accepts Medicare0.3 mi

Russell Berdoff, MD

Cardiovascular Disease (Cardiology)

NPI 1306847793

373 PARK AVE S FL 12
New York, NY 10016

(212) 870-9497

✔ PECOS✔ Accepts Medicare0.4 mi

Raymond Cavaliere, DPM

Podiatry

NPI 1497738157

201 E 28TH ST SUITE 1A
New York, NY 10016

(212) 481-0064

✔ PECOS✔ Accepts Medicare0.4 mi

Alexander Mayer, D.O.

Interventional Cardiology

NPI 1023278041

147 E 26TH ST FL 2
New York, NY 10010

(212) 870-9497

✔ PECOS✔ Accepts Medicare0.5 mi

Bradley Horak, M.D.

Hand Surgery

NPI 1972712578

321 E 34TH ST
New York, NY 10016

(212) 340-0035

✔ PECOS✔ Accepts Medicare0.5 mi

Tamar Reisman, M.D.

Endocrinology

NPI 1992077366

275 7TH AVE FL 12
New York, NY 10001

(212) 604-1730

✔ PECOS✔ Accepts Medicare0.6 mi

Neha Ohri, M.D.

Rheumatology

NPI 1992931596

590 5TH AVE LBBY 1
New York, NY 10036

(212) 582-7117

✔ PECOS✔ Accepts Medicare0.7 mi

Elvina Khusainova, M.D.

Pulmonary Disease

NPI 1669782439

360 W 31ST ST FL 3
New York, NY 10001

(646) 987-3436

✔ PECOS✔ Accepts Medicare0.8 mi

Frederick Limson, M.D.

Psychiatry

NPI 1376800169

423 E 23RD ST
New York, NY 10010

(212) 686-7500

✔ PECOS0.8 mi

Donald Kastenbaum, M.D.

Orthopedic Surgery

NPI 1023071081

10 UNION SQ E SUITE 3M
New York, NY 10003

(212) 288-2000

✔ PECOS1.0 mi

Steven Arsht, M.D.

Sports Medicine

NPI 1083632038

10 UNION SQUARE- EAST SUITE 3M
New York, NY 10003

(212) 844-6755

✔ PECOS✔ Accepts Medicare1.0 mi

Bruce Culliney, MD

Hematology/Oncology

NPI 1912982380

10 UNION SQ E SUITE 4C
New York, NY 10003

(212) 844-8287

✔ PECOS1.0 mi

Caner Dinlenc, MD

Urology

NPI 1730162173

10 UNION SQ E BIMC - DEPT OF UROLOGY
New York, NY 10003

(212) 844-8900

✔ PECOS✔ Accepts Medicare1.0 mi

Elliot Goodman

General Surgery

NPI 1700868163

10 UNION SQ E BIMC DEPT OF SURGERY
New York, NY 10003

(212) 420-4520

✔ PECOS1.0 mi

Steven Gruber, M.D.

Nephrology

NPI 1720024136

10 UNION SQUARE EAST BETH ISRAEL MEDICAL CENTERBAIRD HALLNEPHROLOGY DIVISION
New York, NY 10003

(212) 420-4003

✔ PECOS✔ Accepts Medicare1.0 mi

See all 344 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 Icahn School Of Medicine At Mount Sinai's NPI number?

The NPI number for Icahn School Of Medicine At Mount Sinai is 1568868834. It was assigned to this organization in the NPPES registry on November 13, 2014. The provider is doing business as Beth Israel Medical Group Of Mount Sinai.

Where is Icahn School Of Medicine At Mount Sinai located?

Icahn School Of Medicine At Mount Sinai is located at 55 West 34th Street 1st Floor, New York, NY 10016. The listed phone number is (212) 252-6231.

What is Icahn School Of Medicine At Mount Sinai's specialty?

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

Is Icahn School Of Medicine At Mount Sinai enrolled in Medicare?

Yes. Icahn School Of Medicine At Mount Sinai is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Icahn School Of Medicine At Mount Sinai?

According to the CMS Revalidation Reassignment List (October 2026 release), 344 clinicians in 39 Medicare specialties reassign their Medicare billing to Icahn School Of Medicine At Mount Sinai. 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 Psychiatry (54), Hospitalist (43) and Internal Medicine (40). Of these, 1 practice at this address and 277 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 Icahn School Of Medicine At Mount Sinai was last updated on November 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.