EAST SIDE PRIMARY MEDICAL CARE, P.C.
NPI 1508008996
Internal Medicine in New York, NY
About East Side Primary Medical Care, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EAST SIDE PRIMARY MEDICAL CARE, P.C. (NPI 1508008996) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since March 2009. The organization lists Daniel P Klein, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
East Side Primary Medical Care, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to East Side Primary Medical Care, P.C., which bills Medicare for the services this clinician delivers.
Clinician (1)
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 East Side Primary Medical Care, P.C.'s NPI number?
The NPI number for East Side Primary Medical Care, P.C. is 1508008996. It was assigned to this organization in the NPPES registry on March 31, 2009.
Where is East Side Primary Medical Care, P.C. located?
East Side Primary Medical Care, P.C. is located at 229 E 79th St, New York, NY 10075. The listed phone number is (212) 737-2000.
What is East Side Primary Medical Care, P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is East Side Primary Medical Care, P.C. enrolled in Medicare?
Yes. East Side Primary Medical Care, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through East Side Primary Medical Care, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to East Side Primary Medical Care, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for East Side Primary Medical Care, P.C. was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# East Side Primary Medical Care, P.c. · NPI 1508008996
Internal Medicine organization in New York, New York. Organization record, active in the CMS NPPES registry since March 31, 2009.
## Identity
- **NPI:** 1508008996 (Entity type: Organization)
- **Enumerated:** March 31, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Daniel Klein, PRESIDENT
## Practice location
- **Address:** 229 E 79TH ST, New York, NY 10075-0866
- **Phone:** (212) 737-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1508008996) · Data from the CMS NPPES public registry.