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MOUNT SINAI MARATHON MEDICAL - CARDIOVASCULAR
NPI 1942777347
Internal Medicine - Cardiovascular Disease in Valley Stream, NY

Active since October 24, 2018
10 E MERRICK RD STE 207, VALLEY STREAM, NY 11580(516) 256-2017 Get Directions Write a Review

NPPES record last updated: January 11, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 11, 2019, Oct 24, 2018 (2 updates tracked since 2018).

About Mount Sinai Marathon Medical - Cardiovascular NPPES

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

MOUNT SINAI MARATHON MEDICAL - CARDIOVASCULAR (NPI 1942777347) is a healthcare organization registered as a cardiovascular disease in Valley Stream, New York and active in the NPI registry since October 2018. The organization maintains 7 additional practice locations and lists Alicia Gresham, Vp Network Operations, as its authorized official.

NPPES Registry Identity

NPI1942777347
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameMOUNT SINAI SCHOOL OF MEDICINE
Location Address10 E MERRICK RD STE 207Valley Stream, NY 11580-5800
Mailing Address1 Healthy WayOceanside, NY 11572-1551
Phone(516) 256-2017
Organization SubpartNo
Authorized OfficialAlicia GreshamVp Network Operations · (212) 659-9038
Enumeration DateOctober 24, 2018
Last NPPES UpdateJanuary 11, 20192 updates tracked since enumeration
✔ NPI 1942777347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X
Also ListedNurse PractitionerTaxonomy 363L00000X
10 E MERRICK RD STE 207, Valley Stream, NY 11580
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Other Names 1

Other NameMount Sinai Marathon Medical - Cardiovascular

Secondary Practice Locations 7

Location 11200 W Broadway Unit 5Hewlett, NY 11557-1913 · Phone (516) 887-7000
Location 22750 Merrick RdBellmore, NY 11710-5720 · Phone (516) 409-2000
Location 3440 Merrick RdOceanside, NY 11572-1404 · Phone (516) 255-8220
Location 433 N Ocean AveFreeport, NY 11520-3049 · Phone (516) 378-4949
Location 5325 W Park AveLong Beach, NY 11561-3223 · Phone (516) 432-2004
Location 61420 BroadwayHewlett, NY 11557-1321 · Phone (516) 764-5455
Location 71 Healthy WayOceanside, NY 11572-1551 · Phone (516) 632-3670

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 Marathon Medical - Cardiovascular is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

301

Medicare enrollment records show 301 clinicians reassign Medicare billing to Mount Sinai Marathon Medical - Cardiovascular, which bills Medicare for the services they deliver. Of these, 208 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 27

Internal Medicine45
Nurse Practitioner45
Family Practice31
Hospitalist22
Pediatric Medicine20
Cardiovascular Disease (Cardiology)18
Neurology17
General Surgery16
19 other specialties87

Nearest to this location (20)

See all 301
Jozelle Diaz, FNP
Nurse Practitioner
NPI 1518558493
20 W LINCOLN AVE STE 101
Valley Stream, NY 11580
(516) 709-0614
✔ PECOS0.1 mi
Ann Buhl, M.D.
Gynecological Oncology
NPI 1710986278
ONE SOUTH CENTRAL AVE
Valley Stream, NY 11580
(516) 632-3350
✔ PECOS✔ Accepts Medicare0.6 mi
Mubasir Mundia, M.D.
Hematology/Oncology
NPI 1619250925
1 S CENTRAL AVE
Valley Stream, NY 11580
(516) 632-3350
✔ PECOS✔ Accepts Medicare0.6 mi
Ritha Alhindawi
General Surgery
NPI 1750460408
1 S CENTRAL AVE
Valley Stream, NY 11580
(516) 632-3350
✔ PECOS✔ Accepts Medicare1.0 mi
Hsu Tsai Chi, MD
General Surgery
NPI 1356760748
1 S CENTRAL AVE
Valley Stream, NY 11580
(516) 632-3350
✔ PECOS✔ Accepts Medicare1.0 mi
Rajiv Datta, M.D.
General Surgery
NPI 1457347601
1 S CENTRAL AVE
Valley Stream, NY 11580
(516) 632-3300
✔ PECOS✔ Accepts Medicare1.0 mi
Olga Liberman, MD
Obstetrics/Gynecology
NPI 1518982610
1 S CENTRAL AVE
Valley Stream, NY 11580
(516) 763-7820
✔ PECOS✔ Accepts Medicare1.0 mi
Joseph Eichenbaum, M.D.F.A.C.C.
Cardiovascular Disease (Cardiology)
NPI 1053301267
253 BROADWAY
Lynbrook, NY 11563
(516) 596-6100
✔ PECOS✔ Accepts Medicare1.3 mi
Regine Fortune, D.O
Internal Medicine
NPI 1649432766
900 FRANKLIN AVE
Valley Stream, NY 11580
(914) 681-2560
✔ PECOS1.3 mi
Alexandra Gutman, NP
Nurse Practitioner
NPI 1710395348
900 FRANKLIN AVE
Valley Stream, NY 11580
(516) 562-4280
✔ PECOS✔ Accepts Medicare1.3 mi
Kerin Hausknecht, MD
Neurology
NPI 1295750099
23 LANGDON PL
Lynbrook, NY 11563
(516) 374-4451
✔ PECOS✔ Accepts Medicare1.3 mi
Neil Soskel, D.O.
Family Practice
NPI 1417942210
185 MERRICK RD
Lynbrook, NY 11563
(516) 887-0077
✔ PECOS✔ Accepts Medicare1.7 mi
Steven Friedman, MD
Gastroenterology
NPI 1174567101
30 HEMPSTEAD AVE SUITE 148
Rockville Centre, NY 11570
(516) 764-6655
✔ PECOS✔ Accepts Medicare2.6 mi
Valerie Kremer, M.D.
Hematology/Oncology
NPI 1134445497
242 MERRICK RD 301
Rockville Centre, NY 11570
(516) 536-1455
✔ PECOS✔ Accepts Medicare2.7 mi
Jonathan Rosner, M.D.
Obstetrics/Gynecology
NPI 1396900569
8 N OCEANSIDE RD
Rockville Centre, NY 11570
(516) 632-4636
✔ PECOS✔ Accepts Medicare3.6 mi
Lincoln Ferguson, MD
Pediatric Medicine
NPI 1356423222
1 HEALTHY WAY
Oceanside, NY 11572
(516) 632-3000
✔ PECOS3.6 mi
Foula Kontonicolas, MD
General Surgery
NPI 1407176696
1 HEALTHY WAY
Oceanside, NY 11572
(576) 632-3935
✔ PECOS✔ Accepts Medicare3.6 mi
Edward Mullen, MD
Radiation Oncology
NPI 1104824606
1 HEALTHY WAY
Oceanside, NY 11572
(516) 632-3303
✔ PECOS3.6 mi
Charles Sticco, DO
Vascular Surgery
NPI 1255643276
1 HEALTHY WAY
Oceanside, NY 11572
(516) 764-5455
✔ PECOS✔ Accepts Medicare3.6 mi
Susan Wu, M.D.
Pathology
NPI 1477543403
1 HEALTHY WAY ATTN: PHYSICIAN BILLING
Oceanside, NY 11572
(516) 255-1616
✔ PECOS✔ Accepts Medicare3.6 mi
See all 301 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 1942777347. It was assigned to this organization in the NPPES registry on October 24, 2018. The provider is also known as Mount Sinai Marathon Medical - Cardiovascular.

Where is Mount Sinai School Of Medicine located?

Mount Sinai School Of Medicine is located at 10 E Merrick Rd Ste 207, Valley Stream, NY 11580. The listed phone number is (516) 256-2017.

What is Mount Sinai School Of Medicine's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

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), 301 clinicians in 27 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 Internal Medicine (45), Nurse Practitioner (45) and Family Practice (31). Of these, 208 practice 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 January 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.