EASTSIDE MEDICAL PRACTICE, P.C.
NPI 1881715779
Internal Medicine in New York, NY
About Eastside Medical Practice, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EASTSIDE MEDICAL PRACTICE, P.C. (NPI 1881715779) is a healthcare organization registered as an internal medicine in New York, New York and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through January 6, 2027 and lists Eric Lutsky, Solo Practioner, 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)
Eastside Medical Practice, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Eastside Medical Practice, P.C., which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 33D0955706
East Side Medical Practice, PC · New York, NYFrequently 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 Medical Practice, P.C.'s NPI number?
The NPI number for Eastside Medical Practice, P.C. is 1881715779. It was assigned to this organization in the NPPES registry on April 2, 2007.
Where is Eastside Medical Practice, P.C. located?
Eastside Medical Practice, P.C. is located at 20 E 46th St Rm 200, New York, NY 10017. The listed phone number is (212) 481-3600.
What is Eastside Medical Practice, P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Eastside Medical Practice, P.C. enrolled in Medicare?
Yes. Eastside Medical Practice, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Eastside Medical Practice, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Eastside Medical Practice, 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. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Eastside Medical Practice, P.C. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 33D0955706) is associated with this NPI, valid through January 6, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Eastside Medical Practice, P.C. was last updated on March 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Eastside Medical Practice, P.c. · NPI 1881715779
Internal Medicine organization in New York, New York. Organization record, active in the CMS NPPES registry since April 2, 2007.
## Identity
- **NPI:** 1881715779 (Entity type: Organization)
- **Enumerated:** April 2, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Eric Lutsky, SOLO PRACTIONER
## Practice location
- **Address:** 20 E 46TH ST, RM 200, New York, NY 10017-2417
- **Phone:** (212) 481-3600 · **Fax:** (212) 481-3336
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Internal Medicine) reassign Medicare billing to this organization (form CMS-855R); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 13, 2012
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1881715779) · Data from the CMS NPPES public registry.