CITY MEDICAL OF UPPER EAST SIDE, PLLC
NPI 1508400813
Clinic/Center - Urgent Care in New York, NY

Active since October 30, 2019CLIA 33D2173972 · Waiver
1143 LEXINGTON AVE, NEW YORK, NY 10075(646) 350-4815(646) 863-6149 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 5, 2025, Sep 11, 2024, Jun 25, 2024 and 1 more (4 updates tracked since 2019).

About City Medical Of Upper East Side, Pllc NPPES

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

CITY MEDICAL OF UPPER EAST SIDE, PLLC (NPI 1508400813), doing business as Citymd, is a healthcare organization registered as an urgent care in New York, New York and active in the NPI registry since October 2019. The organization holds a CLIA Waiver certificate valid through March 26, 2027 and lists Swahili Henry, Director Of Payment Solutions, as its authorized official.

NPPES Registry Identity

NPI1508400813
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameCITY MEDICAL OF UPPER EAST SIDE, PLLC
Location Address1143 LEXINGTON AVENew York, NY 10075-0440
Mailing Address1345 Avenue Of The Americas Fl 8New York, NY 10105-0018 · (908) 588-3635
Fax(646) 863-6149
Organization SubpartYes
Authorized OfficialSwahili HenryDirector Of Payment Solutions · (908) 988-0428
Enumeration DateOctober 30, 2019
Last NPPES UpdateMarch 5, 20254 updates tracked since enumeration
NPPES CertifiedMarch 5, 2025
✔ NPI 1508400813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
1143 LEXINGTON AVE, New York, NY 10075

Other Names 1

Doing Business AsCitymd

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

City Medical Of Upper East Side, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

593

Medicare enrollment records show 593 clinicians reassign Medicare billing to City Medical Of Upper East Side, PLLC, which bills Medicare for the services they deliver. Of these, 222 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 35

Emergency Medicine214
Family Practice170
Internal Medicine59
Diagnostic Radiology20
Nurse Practitioner20
Pathology17
Gastroenterology13
Orthopedic Surgery9
27 other specialties71

Nearest to this location (20)

See all 593
Nurse Practitioner
NPI 1487602074
100 E 77TH ST
New York, NY 10021
(212) 434-2650
✔ PECOS✔ Accepts Medicare0.1 mi
Emergency Medicine
NPI 1205072022
100 E 77TH ST LENOX HILL HOSPITAL
New York, NY 10075
(212) 434-4078
✔ PECOS✔ Accepts Medicare0.1 mi
Cardiovascular Disease (Cardiology)
NPI 1184770109
1465 3RD AVE
New York, NY 10028
(212) 305-7934
✔ PECOS✔ Accepts Medicare0.2 mi
Gastroenterology
NPI 1235335308
1317 3RD AVE
New York, NY 10021
(212) 570-2075
✔ PECOS✔ Accepts Medicare0.2 mi
Gastroenterology
NPI 1235157017
1317 3RD AVE 7TH FLOOR
New York, NY 10021
(212) 570-2075
✔ PECOS✔ Accepts Medicare0.2 mi
Gastroenterology
NPI 1467605980
311 E 79TH ST STE 2A
New York, NY 10075
(718) 639-8827
✔ PECOS✔ Accepts Medicare0.3 mi
Emergency Medicine
NPI 1548688625
226 E 75TH ST APT. 1B
New York, NY 10021
(203) 675-6157
✔ PECOS✔ Accepts Medicare0.3 mi
Gastroenterology
NPI 1164599627
1049 PARK AVE
New York, NY 10028
(212) 722-8400
✔ PECOS✔ Accepts Medicare0.4 mi
Family Practice
NPI 1902959570
336 E 86TH ST
New York, NY 10028
(212) 772-3627
✔ PECOS✔ Accepts Medicare0.5 mi
Emergency Medicine
NPI 1538337381
336 E 86TH ST
New York, NY 10028
(212) 772-3627
✔ PECOS0.5 mi
Emergency Medicine
NPI 1326075748
336 E 86TH ST
New York, NY 10028
(212) 772-3627
✔ PECOS✔ Accepts Medicare0.5 mi
Nurse Practitioner
NPI 1235209495
336 E 86TH ST
New York, NY 10028
(212) 933-1364
✔ PECOS✔ Accepts Medicare0.5 mi
Family Practice
NPI 1417142324
336 E 86TH ST
New York, NY 10028
(212) 913-0828
✔ PECOS✔ Accepts Medicare0.5 mi
Emergency Medicine
NPI 1902976194
1150 3RD AVE CITYMD URGENT CARE
New York, NY 10065
(212) 933-0007
✔ PECOS0.6 mi
Orthopedic Surgery
NPI 1710182167
260 E 66TH ST FL 1
New York, NY 10065
(646) 293-7500
✔ PECOS✔ Accepts Medicare0.7 mi
Orthopedic Surgery
NPI 1922049956
260 E 66TH ST 4TH FLOOR
New York, NY 10065
(646) 293-7505
✔ PECOS✔ Accepts Medicare0.7 mi
Internal Medicine
NPI 1750548269
525 E 68TH ST # M-528 BOX 130
New York, NY 10065
(212) 746-4749
✔ PECOS✔ Accepts Medicare0.8 mi
Diagnostic Radiology
NPI 1114181963
525 EAST 68TH STREET BOX 141
New York, NY 10065
(212) 746-6000
✔ PECOS✔ Accepts Medicare0.8 mi
General Surgery
NPI 1225284599
525 E 68TH ST BURN CENTER, BOX 137
New York, NY 10065
(212) 746-5410
✔ PECOS✔ Accepts Medicare0.8 mi
Internal Medicine
NPI 1649531781
1275 YORK AVE
New York, NY 10065
(212) 639-2000
✔ PECOS✔ Accepts Medicare0.8 mi
See all 593 clinicians

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 33D2173972

City Medical Of Upper East Side PLLC · New York, NY
Active · expires Mar 26, 2027
CLIA Number33D2173972
Laboratory TypePhysician Office
Certificate Effective DateOctober 22, 2019
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Dmitry Volfson
Laboratory Phone(646) 350-4815
Laboratory LocationCity Medical Of Upper East Side PLLC1143 Lexington Ave, New York, NY 10021
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 City Medical Of Upper East Side, PLLC's NPI number?

The NPI number for City Medical Of Upper East Side, PLLC is 1508400813. It was assigned to this organization in the NPPES registry on October 30, 2019. The provider is doing business as CityMD.

Where is City Medical Of Upper East Side, PLLC located?

City Medical Of Upper East Side, PLLC is located at 1143 Lexington Ave, New York, NY 10075. The listed phone number is (646) 350-4815.

What is City Medical Of Upper East Side, PLLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

Is City Medical Of Upper East Side, PLLC enrolled in Medicare?

Yes. City Medical Of Upper East Side, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through City Medical Of Upper East Side, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 593 clinicians in 35 Medicare specialties reassign their Medicare billing to City Medical Of Upper East Side, PLLC. 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 Emergency Medicine (214), Family Practice (170) and Internal Medicine (59). Of these, 222 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does City Medical Of Upper East Side, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2173972) is associated with this NPI, valid through March 26, 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 City Medical Of Upper East Side, PLLC was last updated on March 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.