MOUNT SINAI MARATHON MEDICAL -NEONATES/PEDIATRICS
NPI 1396212445
Pediatrics - Neonatal-Perinatal Medicine in Rockville Centre, NY

Active since October 26, 2018
8 N OCEANSIDE RD, ROCKVILLE CENTRE, NY 11570(516) 632-3670 Get Directions Write a Review

NPPES record last updated: January 11, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 11, 2019, Oct 26, 2018 (2 updates tracked since 2018).

About Mount Sinai Marathon Medical -neonates/pediatrics NPPES

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

MOUNT SINAI MARATHON MEDICAL -NEONATES/PEDIATRICS (NPI 1396212445) is a healthcare organization registered as a neonatal-perinatal medicine in Rockville Centre, New York and active in the NPI registry since October 2018. The organization maintains 2 additional practice locations and lists Alicia Gresham, Vp Network Operations, as its authorized official.

NPPES Registry Identity

NPI1396212445
Entity TypeOrganization
Primary Taxonomy2080N0001X
Legal Business NameMOUNT SINAI SCHOOL OF MEDICINE
Location Address8 N OCEANSIDE RDRockville Centre, NY 11570-5125
Mailing Address8 N Oceanside RdRockville Centre, NY 11570-5125 · (516) 632-3670
Organization SubpartNo
Authorized OfficialAlicia GreshamVp Network Operations · (212) 659-9038
Enumeration DateOctober 26, 2018
Last NPPES UpdateJanuary 11, 20192 updates tracked since enumeration
✔ NPI 1396212445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X
Also ListedHospitalistTaxonomy 208M00000X
8 N OCEANSIDE RD, Rockville Centre, NY 11570

Other Names 1

Other NameMount Sinai Marathon Medical -neonates/pediatrics

Secondary Practice Locations 2

Location 11 Healthy WayOceanside, NY 11572-1551 · Phone (516) 632-3934
Location 2196 Merrick RdOceanside, NY 11572-1420 · Phone (516) 255-8400

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 -neonates/pediatrics 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 -Neonates/Pediatrics, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 191 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
Obstetrics/Gynecology
NPI 1396900569
8 N OCEANSIDE RD
Rockville Centre, NY 11570
(516) 632-4636
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1144201468
143 N LONG BEACH RD
Rockville Centre, NY 11570
(516) 678-0300
✔ PECOS✔ Accepts Medicare0.2 mi
Family Practice
NPI 1134447329
196 MERRICK RD
Oceanside, NY 11572
(516) 255-8400
✔ PECOS✔ Accepts Medicare0.2 mi
Family Practice
NPI 1487147823
196 MERRICK RD
Oceanside, NY 11572
(516) 255-8400
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1528356433
1 HEALTHY WAY
Oceanside, NY 11572
(718) 830-4000
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1437693116
1 HEALTHY WAY PHYSICIAN BILLING
Oceanside, NY 11572
(516) 255-1616
✔ PECOS0.3 mi
Pediatric Medicine
NPI 1356423222
1 HEALTHY WAY
Oceanside, NY 11572
(516) 632-3000
✔ PECOS0.3 mi
Cardiovascular Disease (Cardiology)
NPI 1538244843
1 HEALTHY WAY ATT: PHYSICIAN BILLING CREDENTIALS
Oceanside, NY 11572
(516) 255-1616
✔ PECOS✔ Accepts Medicare0.3 mi
Pediatric Medicine
NPI 1245564020
1 HEALTHY WAY
Oceanside, NY 11572
(917) 744-2403
✔ PECOS0.3 mi
Internal Medicine
NPI 1790920643
1 HEALTHY WAY
Oceanside, NY 11572
(516) 632-3667
✔ PECOS✔ Accepts Medicare0.3 mi
General Surgery
NPI 1407176696
1 HEALTHY WAY
Oceanside, NY 11572
(576) 632-3935
✔ PECOS✔ Accepts Medicare0.3 mi
Radiation Oncology
NPI 1104824606
1 HEALTHY WAY
Oceanside, NY 11572
(516) 632-3303
✔ PECOS0.3 mi
Nurse Practitioner
NPI 1780953919
1 HEALTHY WAY
Oceanside, NY 11572
(516) 668-7617
✔ PECOS✔ Accepts Medicare0.3 mi
General Surgery
NPI 1750601241
1 HEALTHY WAY
Oceanside, NY 11572
(516) 632-3350
✔ PECOS✔ Accepts Medicare0.3 mi
Vascular Surgery
NPI 1255643276
1 HEALTHY WAY
Oceanside, NY 11572
(516) 764-5455
✔ PECOS✔ Accepts Medicare0.3 mi
Radiation Oncology
NPI 1770601692
1 HEALTHY WAY RADIATION ONCOLOGY - SNCH
Oceanside, NY 11572
(516) 632-3370
✔ PECOS✔ Accepts Medicare0.3 mi
Pathology
NPI 1477543403
1 HEALTHY WAY ATTN: PHYSICIAN BILLING
Oceanside, NY 11572
(516) 255-1616
✔ PECOS✔ Accepts Medicare0.3 mi
Hematology/Oncology
NPI 1376802405
242 MERRICK RD STE 301 SOUTH NASSAU ONCOLOGY PRACTICE, PC
Rockville Centre, NY 11570
(516) 536-1455
✔ PECOS✔ Accepts Medicare0.8 mi
Hematology/Oncology
NPI 1033118229
242 MERRICK RD SUITE 301
Rockville Centre, NY 11570
(516) 536-1455
✔ PECOS✔ Accepts Medicare0.8 mi
Gastroenterology
NPI 1174567101
30 HEMPSTEAD AVE SUITE 148
Rockville Centre, NY 11570
(516) 764-6655
✔ PECOS✔ Accepts Medicare1.0 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 1396212445. It was assigned to this organization in the NPPES registry on October 26, 2018. The provider is also known as Mount Sinai Marathon Medical -Neonates/Pediatrics.

Where is Mount Sinai School Of Medicine located?

Mount Sinai School Of Medicine is located at 8 N Oceanside Rd, Rockville Centre, NY 11570. The listed phone number is (516) 632-3670.

What is Mount Sinai School Of Medicine's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

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, 1 practice at this address and 191 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.