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TISCH DEPARTMENT OF MOUNT SINAI
NPI 1750649612
Internal Medicine - Hematology & Oncology in New York, NY

Active since April 30, 2012
1 GUSTAVE L LEVY PL, NEW YORK, NY 10029(212) 241-6756(212) 423-0522 Get Directions Write a Review

NPPES record last updated: June 24, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tisch Department Of Mount Sinai NPPES

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

TISCH DEPARTMENT OF MOUNT SINAI (NPI 1750649612) is a healthcare organization registered as a hematology & oncology in New York, New York and active in the NPI registry since April 2012. The organization lists Crystal Macneill, Vice President, Cbo Director, as its authorized official.

NPPES Registry Identity

NPI1750649612
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Location Address1 GUSTAVE L LEVY PLNew York, NY 10029-6574
Mailing AddressPo Box 28082New York, NY 10087-8082 · (212) 987-3100 · Fax (212) 731-5210
Phone(212) 241-6756
Fax(212) 423-0522
Organization SubpartNo
Authorized OfficialCrystal MacneillVice President, Cbo Director · (646) 605-8112
Enumeration DateApril 30, 2012
Last NPPES UpdateJune 24, 2015
✔ NPI 1750649612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1 GUSTAVE L LEVY PL, New York, NY 10029
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Other Names 1

Doing Business AsTisch Department 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)

Tisch Department Of Mount Sinai is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

290

Medicare enrollment records show 290 clinicians reassign Medicare billing to Tisch Department Of Mount Sinai, which bills Medicare for the services they deliver. Of these, 25 practice at this address and 236 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 19

Nurse Practitioner126
Medical Oncology70
Hematology/Oncology25
Hematology19
Internal Medicine11
Surgical Oncology10
General Surgery9
Gastroenterology6
11 other specialties14

Nearest to this location (20)

See all 290
Caroline Buhion
Nurse Practitioner
NPI 1467746479
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
Ronald Hoffman, M.D.
Hematology
NPI 1467558932
1 GUSTAVE L LEVY PL BOX 1079
New York, NY 10029
(212) 241-2296
✔ PECOS✔ Accepts MedicareSame address
John Mascarenhas, MD
Hematology
NPI 1376719104
1 GUSTAVE L LEVY PL BOX 1079
New York, NY 10029
(212) 241-1948
✔ PECOS✔ Accepts MedicareSame address
Courtney Sullivan
Nurse Practitioner
NPI 1144831603
1 GUSTAVE LEVY PL.
New York, NY 10029
(212) 241-3806
✔ PECOS✔ Accepts MedicareSame address
Judith Lin, MD
Hematology
NPI 1720110695
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-1653
✔ PECOS✔ Accepts MedicareSame address
Ajai Chari, M.D.
Hematology/Oncology
NPI 1376560136
1 GUSTAVE L. LEVY PLACE, BOX 1185 MOUNT SINAI MEDICAL CENTER
New York, NY 10029
(212) 241-7873
✔ PECOS✔ Accepts MedicareSame address
Stephanie Geneus
Nurse Practitioner
NPI 1952014797
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-6500
✔ PECOS✔ Accepts MedicareSame address
Leora Giacoia
Nurse Practitioner
NPI 1386194892
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
Khalina Herrand
Nurse Practitioner
NPI 1104414853
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
Kathryn Johnson, MSC, MSN, FNP-BC
Nurse Practitioner
NPI 1972164291
1 GUSTAVE L LEVY PL
New York, NY 10029
(646) 847-6362
✔ PECOS✔ Accepts MedicareSame address
Melanie Kier, M.D., M.B.A.
Medical Oncology
NPI 1194251116
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 731-3100
✔ PECOS✔ Accepts MedicareSame address
Bridget Marcellino
Medical Oncology
NPI 1093133589
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
Samin Sharma, M.D.
Cardiovascular Disease (Cardiology)
NPI 1376572933
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 427-1540
✔ PECOS✔ Accepts MedicareSame address
Alan Shih, MD
Medical Oncology
NPI 1457519753
1 GUSTAVE L LEVY PL
New York, NY 10029
(212) 241-6500
✔ PECOS✔ Accepts MedicareSame address
Joshua Brody, M.D.
Medical Oncology
NPI 1508922907
1190 5TH AVE
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
Gabriele Diluozzo, MD
Cardiac Surgery
NPI 1730112202
1190 5TH AVE # 1028 BOX 1028
New York, NY 10029
(212) 659-6829
✔ PECOS✔ Accepts MedicareSame address
Philip Friedlander, M.D.
Medical Oncology
NPI 1932146677
1190 5TH AVE
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
Nimesh Nagarsheth, M.D.
Obstetrics/Gynecology
NPI 1780635680
1190 5TH AVE RUTTENBERG TREATMENT CENTER 1ST FLOOR
New York, NY 10029
(212) 427-9898
✔ PECOS✔ Accepts MedicareSame address
Mohit Turagam, M.D
Cardiovascular Disease (Cardiology)
NPI 1275709941
1190 5TH AVE
New York, NY 10029
(212) 427-1540
✔ PECOS✔ Accepts MedicareSame address
Christopher Walsh, MD
Internal Medicine
NPI 1588694095
1190 5TH AVENUE GUGGENHEIM PAV MT SINAI HOSP RUTTENBERG TREATMENT CTR
New York, NY 10029
(212) 241-6756
✔ PECOS✔ Accepts MedicareSame address
See all 290 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 1750649612. It was assigned to this organization in the NPPES registry on April 30, 2012. The provider is doing business as Tisch Department Of Mount Sinai.

Where is Icahn School Of Medicine At Mount Sinai located?

Icahn School Of Medicine At Mount Sinai is located at 1 Gustave L Levy Pl, New York, NY 10029. The listed phone number is (212) 241-6756.

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

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

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), 290 clinicians in 19 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 Nurse Practitioner (126), Medical Oncology (70) and Hematology/Oncology (25). Of these, 25 practice at this address and 236 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 June 24, 2015. 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.