GRAMERCY MEDICAL SERVICES P.C.
NPI 1639678428
Internal Medicine in Jamaica, NY
About Gramercy Medical Services P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAMERCY MEDICAL SERVICES P.C. (NPI 1639678428) is a healthcare organization registered as an internal medicine in Jamaica, New York and active in the NPI registry since February 2018. The organization lists Michelle Rotblat-operman, President/incorporator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gramercy Medical Services P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
21Medicare enrollment records show 21 clinicians reassign Medicare billing to Gramercy Medical Services P.C., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 9 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 21Source: 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 Gramercy Medical Services P.C.'s NPI number?
The NPI number for Gramercy Medical Services P.C. is 1639678428. It was assigned to this organization in the NPPES registry on February 7, 2018.
Where is Gramercy Medical Services P.C. located?
Gramercy Medical Services P.C. is located at 13916 91st Ave, Jamaica, NY 11435. The listed phone number is (917) 854-6670.
What is Gramercy Medical Services P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gramercy Medical Services P.C. enrolled in Medicare?
Yes. Gramercy Medical Services P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gramercy Medical Services P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 21 clinicians in 6 Medicare specialties reassign their Medicare billing to Gramercy Medical Services P.C.. 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 (9), Family Practice (5) and Nurse Practitioner (3). Of these, 1 practice at this address and 9 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 Gramercy Medical Services P.C. was last updated on November 22, 2018. 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.
# Gramercy Medical Services P.c. · NPI 1639678428
Internal Medicine organization in Jamaica, New York. Organization record, active in the CMS NPPES registry since February 7, 2018.
## Identity
- **NPI:** 1639678428 (Entity type: Organization)
- **Enumerated:** February 7, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Michelle Rotblat-Operman, PRESIDENT/INCORPORATOR
## Practice location
- **Address:** 13916 91ST AVE, Jamaica, NY 11435-4219
- **Phone:** (917) 854-6670
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 21 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (9), Family Practice (5), Nurse Practitioner (3); 1 practice at this address and 9 within 10 miles; [full list](https://npiprofile.com/npi/1639678428/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 22, 2018
- **Other identifiers:** Medicaid 0316667 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1639678428) · Data from the CMS NPPES public registry.