EASTSIDE ALLIANCE MEDICAL ASSOCIATES, P.C.
NPI 1619136595
Internal Medicine - Gastroenterology in New York, NY
About Eastside Alliance Medical Associates, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EASTSIDE ALLIANCE MEDICAL ASSOCIATES, P.C. (NPI 1619136595) is a healthcare organization registered as a gastroenterology in New York, New York and active in the NPI registry since June 2008. The organization lists Jennifer Boyd Baldock, Officer And Authorized Official, 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)
Eastside Alliance Medical Associates, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
48Medicare enrollment records show 48 clinicians reassign Medicare billing to Eastside Alliance Medical Associates, P.C., which bills Medicare for the services they deliver. Of these, 27 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 48Source: 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 Eastside Alliance Medical Associates, P.C.'s NPI number?
The NPI number for Eastside Alliance Medical Associates, P.C. is 1619136595. It was assigned to this organization in the NPPES registry on June 5, 2008.
Where is Eastside Alliance Medical Associates, P.C. located?
Eastside Alliance Medical Associates, P.C. is located at 36 E 31st St Fl 10, New York, NY 10016. The listed phone number is (212) 979-3237.
What is Eastside Alliance Medical Associates, P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Eastside Alliance Medical Associates, P.C. enrolled in Medicare?
Yes. Eastside Alliance Medical Associates, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Eastside Alliance Medical Associates, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 48 clinicians in 3 Medicare specialties reassign their Medicare billing to Eastside Alliance Medical Associates, 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 Certified Registered Nurse Anesthetist (CRNA) (33), Anesthesiology (13) and Pathology (2). Of these, 27 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 Eastside Alliance Medical Associates, P.C. was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Eastside Alliance Medical Associates, P.c. · NPI 1619136595
Gastroenterology organization in New York, New York. Organization record, active in the CMS NPPES registry since June 5, 2008.
## Identity
- **NPI:** 1619136595 (Entity type: Organization)
- **Enumerated:** June 5, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Jennifer Baldock, OFFICER AND AUTHORIZED OFFICIAL
## Practice location
- **Address:** 36 E 31ST ST FL 10, New York, NY 10016-6821
- **Phone:** (212) 979-3237 · **Fax:** (212) 979-3447
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 48 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (33), Anesthesiology (13), Pathology (2); 27 practice within 10 miles; [full list](https://npiprofile.com/npi/1619136595/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 13, 2026
- **Other identifiers:** Medicaid 03152572 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1619136595) · Data from the CMS NPPES public registry.