MEDICAL SERVICES OF NASSAU, PC
NPI 1598512626
Internal Medicine - Gastroenterology in New York, NY

Active since May 06, 2024
233 BROADWAY RM 2750, NEW YORK, NY 10279(212) 889-5544(212) 481-1089 Get Directions Write a Review

NPPES record last updated: May 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Medical Services Of Nassau, Pc NPPES

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

MEDICAL SERVICES OF NASSAU, PC (NPI 1598512626) is a healthcare organization registered as a gastroenterology in New York, New York and active in the NPI registry since May 2024. The organization maintains a secondary practice location in New York and lists Scott Allen Weber, Administrator, as its authorized official.

NPPES Registry Identity

NPI1598512626
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameMEDICAL SERVICES OF NASSAU, PC
Location Address233 BROADWAY RM 2750New York, NY 10279-2704
Mailing Address233 Broadway Rm 2750New York, NY 10279-2704 · (212) 889-5544 · Fax (212) 481-1089
Fax(212) 481-1089
Organization SubpartNo
Authorized OfficialScott Allen WeberAdministrator · (212) 889-5544
Enumeration DateMay 6, 2024
NPPES CertifiedMay 6, 2024
✔ NPI 1598512626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X
233 BROADWAY RM 2750, New York, NY 10279

Secondary Practice Location 1

Location 136 E 31st St Rm 701New York, NY 10016-6821 · Phone (212) 889-5544 · Fax (212) 481-1089

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)

Medical Services Of Nassau, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Medical Services Of Nassau, PC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 10 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Gastroenterology7
Internal Medicine3

Clinicians, nearest first (10)

Gastroenterology
NPI 1598923542
233 BROADWAY SUITE 2750
New York, NY 10279
(212) 889-5544
✔ PECOSSame address
Internal Medicine
NPI 1760616916
233 BROADWAY SUITE 2750
New York, NY 10279
(212) 245-6893
✔ PECOSSame address
Gastroenterology
NPI 1558655696
233 BROADWAY RM 2750
New York, NY 10279
(212) 889-5544
✔ PECOSSame address
Internal Medicine
NPI 1588939821
171 DELANCEY ST
New York, NY 10002
(929) 455-2600
✔ PECOS1.2 mi
Gastroenterology
NPI 1093739393
232 E 30TH ST
New York, NY 10016
(212) 889-5544
✔ PECOS2.6 mi
Gastroenterology
NPI 1790709533
232 E 30TH ST
New York, NY 10016
(212) 889-5544
✔ PECOS2.6 mi
Gastroenterology
NPI 1821204686
232 E 30TH ST
New York, NY 10016
(212) 889-5544
✔ PECOS2.6 mi
Gastroenterology
NPI 1740204445
232 E 30TH ST
New York, NY 10016
(212) 889-5544
✔ PECOS2.6 mi
Gastroenterology
NPI 1578587283
232 EAST 30TH ST
New York, NY 10016
(212) 889-5544
✔ PECOS2.6 mi
Internal Medicine
NPI 1871517144
232 EAST 30TH ST
New York, NY 10016
(212) 889-5544
✔ PECOS2.6 mi

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 Medical Services Of Nassau, PC's NPI number?

The NPI number for Medical Services Of Nassau, PC is 1598512626. It was assigned to this organization in the NPPES registry on May 6, 2024.

Where is Medical Services Of Nassau, PC located?

Medical Services Of Nassau, PC is located at 233 Broadway Rm 2750, New York, NY 10279. The listed phone number is (212) 889-5544.

What is Medical Services Of Nassau, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Medical Services Of Nassau, PC enrolled in Medicare?

Yes. Medical Services Of Nassau, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Medical Services Of Nassau, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 2 Medicare specialties reassign their Medicare billing to Medical Services Of Nassau, PC. 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 Gastroenterology (7) and Internal Medicine (3). Of these, 3 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 Medical Services Of Nassau, PC was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.