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MOUNT SINAI MANHASSET MEDICAL
NPI 1144659749
Internal Medicine in Manhasset, NY

Active since November 04, 2013
1615 NORTHERN BLVD, MANHASSET, NY 11030(516) 627-3717(516) 627-3715 Get Directions Write a Review

NPPES record last updated: November 4, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mount Sinai Manhasset Medical NPPES

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

MOUNT SINAI MANHASSET MEDICAL (NPI 1144659749) is a healthcare organization registered as an internal medicine in Manhasset, New York and active in the NPI registry since November 2013. The organization lists Seth Ciabotti, Director, as its authorized official.

NPPES Registry Identity

NPI1144659749
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMOUNT SINAI SCHOOL OF MEDICINE
Location Address1615 NORTHERN BLVDManhasset, NY 11030-3008
Mailing Address1615 Northern BlvdManhasset, NY 11030-3008 · (516) 627-3717 · Fax (516) 627-3715
Phone(516) 627-3717
Fax(516) 627-3715
Organization SubpartYesParent: Mount Sinai Hospital
Authorized OfficialSeth CiabottiDirector · (212) 241-0849
Enumeration DateNovember 4, 2013
✔ NPI 1144659749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ 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 ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X
1615 NORTHERN BLVD, Manhasset, NY 11030
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Other Names 1

Doing Business AsMount Sinai Manhasset Medical

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)

Mount Sinai Manhasset Medical is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

99

Medicare enrollment records show 99 clinicians reassign Medicare billing to Mount Sinai Manhasset Medical, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Family Practice41
Nurse Practitioner28
Internal Medicine22
Cardiovascular Disease (Cardiology)4
Gastroenterology2
Pediatric Medicine2

Nearest to this location (20)

See all 99
Maria Brountzas, M.D.
Internal Medicine
NPI 1548266471
1615 NORTHERN BLVD
Manhasset, NY 11030
(516) 627-3717
✔ PECOS✔ Accepts MedicareSame address
Aaron Freilich, M.D
Cardiovascular Disease (Cardiology)
NPI 1598720435
1615 NORTHERN BLVD
Manhasset, NY 11030
(516) 627-9355
✔ PECOS✔ Accepts MedicareSame address
Michael Mannino, M.D.
Cardiovascular Disease (Cardiology)
NPI 1598761660
1615 NORTHERN BLVD
Manhasset, NY 11030
(516) 627-9355
✔ PECOS✔ Accepts MedicareSame address
Jane Serio, M.D.
Internal Medicine
NPI 1730185679
1615 NORTHERN BLVD
Manhasset, NY 11030
(516) 627-3717
✔ PECOS✔ Accepts MedicareSame address
Kevin Tack, M.D.
Gastroenterology
NPI 1871599605
1615 NORTHERN BLVD
Manhasset, NY 11030
(516) 627-3717
✔ PECOS✔ Accepts MedicareSame address
Stephen Tranchina, M.D.
Internal Medicine
NPI 1578569406
1615 NORTHERN BLVD
Manhasset, NY 11030
(516) 627-3717
✔ PECOS✔ Accepts MedicareSame address
Jay Dubowsky, M.D.
Cardiovascular Disease (Cardiology)
NPI 1285630368
1155 NORTHERN BLVD
Manhasset, NY 11030
(516) 407-4000
✔ PECOS✔ Accepts Medicare0.9 mi
Stuart Schecter, M.D.
Cardiovascular Disease (Cardiology)
NPI 1851341820
100 PORT WASHINGTON BLVD
Roslyn, NY 11576
(516) 629-2468
✔ PECOS✔ Accepts Medicare1.1 mi
Katherine Freeman, MD
Gastroenterology
NPI 1770752594
4 OHIO DRIVE SUITE 200
Lake Success, NY 11042
(516) 775-4545
✔ PECOS✔ Accepts Medicare2.7 mi
Andrew Ciancimino, M.D.
Internal Medicine
NPI 1891062469
101 NORTHERN BLVD
Greenvale, NY 11548
(516) 629-2090
✔ PECOS✔ Accepts Medicare4.4 mi
Ashley Henry, NP
Nurse Practitioner
NPI 1083256788
1065 SOUTHERN BLVD
Bronx, NY 10459
(718) 589-2440
✔ PECOS11 mi
Florence Barricelli, M.D.
Internal Medicine
NPI 1861498875
146A MANETTO HILL RD STE 205
Plainview, NY 11803
(516) 302-8530
✔ PECOS✔ Accepts Medicare11 mi
Doris Berland, M.D.
Internal Medicine
NPI 1558367409
146 MANETTO HILL RD
Plainview, NY 11803
(516) 302-8530
✔ PECOS✔ Accepts Medicare11 mi
Judah Guy, M.D.
Internal Medicine
NPI 1225301245
146A MANETTO HILL RD STE 205
Plainview, NY 11803
(516) 302-8530
✔ PECOS✔ Accepts Medicare11 mi
Katherine Louer, RN
Nurse Practitioner
NPI 1235583444
511 W 157TH ST
New York, NY 10032
(212) 781-7979
✔ PECOS✔ Accepts Medicare14 mi
Alison Altschuller, APRN-BC
Nurse Practitioner
NPI 1821110917
919 3RD AVE
New York, NY 10022
(212) 530-0630
✔ PECOS15 mi
Honore Lansen, M.D.
Family Practice
NPI 1366603573
228 PARK AVE S # 49409
New York, NY 10003
(646) 760-6669
✔ PECOS16 mi
Emily Caruso, DO
Family Practice
NPI 1003495839
35 E 21ST ST FL 7
New York, NY 10010
(312) 219-2230
✔ PECOS16 mi
Jennifer Kozhin-Revich, D.O.
Family Practice
NPI 1922369693
35 E 21ST ST 7TH FLOOR
New York, NY 10010
(212) 530-0659
✔ PECOS16 mi
Alyssa Wohl, MD
Pediatric Medicine
NPI 1609368406
794 UNION ST
Brooklyn, NY 11215
(212) 624-1077
✔ PECOS✔ Accepts Medicare17 mi
See all 99 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 Mount Sinai School Of Medicine's NPI number?

The NPI number for Mount Sinai School Of Medicine is 1144659749. It was assigned to this organization in the NPPES registry on November 4, 2013. The provider is doing business as Mount Sinai Manhasset Medical.

Where is Mount Sinai School Of Medicine located?

Mount Sinai School Of Medicine is located at 1615 Northern Blvd, Manhasset, NY 11030. The listed phone number is (516) 627-3717.

What is Mount Sinai School Of Medicine's specialty?

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

Is Mount Sinai School Of Medicine enrolled in Medicare?

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

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

According to the CMS Revalidation Reassignment List (October 2026 release), 99 clinicians in 6 Medicare specialties reassign their Medicare billing to Mount Sinai School Of Medicine. 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 Family Practice (41), Nurse Practitioner (28) and Internal Medicine (22). Of these, 6 practice at this address and 10 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 Mount Sinai School Of Medicine was last updated on November 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.