CITY MEDICAL OF UPPER EAST SIDE, PLLC
NPI 1902513278
Clinic/Center - Urgent Care in New York, NY

Active since November 04, 2022CLIA 33D2273892 · Waiver
400 W 23RD ST, NEW YORK, NY 10011(929) 476-0462 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 5, 2025, Sep 11, 2024, Jun 26, 2024 and 1 more (4 updates tracked since 2022).

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 1902513278) is a healthcare organization registered as an urgent care in New York, New York and active in the NPI registry since November 2022. 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

NPI1902513278
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameCITY MEDICAL OF UPPER EAST SIDE, PLLC
Location Address400 W 23RD STNew York, NY 10011-2122
Mailing Address1345 Avenue Of The Americas Fl 8New York, NY 10105-0018 · (908) 588-3635
Organization SubpartYes
Authorized OfficialSwahili HenryDirector Of Payment Solutions · (908) 988-0428
Enumeration DateNovember 4, 2022
Last NPPES UpdateMarch 5, 20254 updates tracked since enumeration
NPPES CertifiedMarch 5, 2025
✔ NPI 1902513278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
400 W 23RD ST, New York, NY 10011

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, 214 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
Family Practice
NPI 1033435128
225 W 23RD ST
New York, NY 10011
(212) 897-1994
✔ PECOS✔ Accepts Medicare0.3 mi
Emergency Medicine
NPI 1245303379
330 7TH AVE
New York, NY 10001
(646) 647-1263
✔ PECOS✔ Accepts Medicare0.5 mi
Emergency Medicine
NPI 1659830594
330 7TH AVE
New York, NY 10001
(646) 647-1263
✔ PECOS✔ Accepts Medicare0.5 mi
Nurse Practitioner
NPI 1437455052
1 PENN PLZ STE 725
New York, NY 10119
(914) 513-6642
✔ PECOS✔ Accepts Medicare0.6 mi
Family Practice
NPI 1891180956
5 PENN PLZ
New York, NY 10001
(646) 647-1249
✔ PECOS✔ Accepts Medicare0.6 mi
Emergency Medicine
NPI 1801195474
5 PENN PLZ
New York, NY 10001
(646) 647-1249
✔ PECOS✔ Accepts Medicare0.6 mi
Preventive Medicine
NPI 1619314259
110 W 14TH ST APT 230
New York, NY 10011
(212) 242-4333
✔ PECOS✔ Accepts Medicare0.7 mi
Emergency Medicine
NPI 1821218843
37 WEST 23RD STREET GROUND FLOOR
New York, NY 10010
(646) 596-9267
✔ PECOS0.7 mi
Emergency Medicine
NPI 1558305649
37 WEST 23RD STREET CITYMD URGENT CARE
New York, NY 10010
(212) 772-3627
✔ PECOS0.7 mi
Cardiovascular Disease (Cardiology)
NPI 1235524372
18 W 18TH ST
New York, NY 10011
(917) 512-8500
✔ PECOS✔ Accepts Medicare0.7 mi
Dermatology
NPI 1609302256
18 W 18TH ST
New York, NY 10011
(646) 616-0200
✔ PECOS0.7 mi
Emergency Medicine
NPI 1629094289
153 W 11TH ST SAINT VINCENT'S HOSPITAL
New York, NY 10011
(212) 604-7000
✔ PECOS✔ Accepts Medicare0.7 mi
Family Practice
NPI 1114183258
21 EAST 22ND STREET
New York, NY 10010
(212) 460-7800
✔ PECOS✔ Accepts Medicare0.8 mi
Family Practice
NPI 1518122993
228 PARK AVE S # 49409
New York, NY 10003
(646) 760-6669
✔ PECOS0.9 mi
Family Practice
NPI 1790877827
345 W 42ND ST
New York, NY 10036
(646) 518-0159
✔ PECOS✔ Accepts Medicare1.0 mi
Internal Medicine
NPI 1902067382
345 W 42ND ST
New York, NY 10036
(646) 518-0159
✔ PECOS✔ Accepts Medicare1.0 mi
Family Practice
NPI 1245559889
305 W 44TH ST
New York, NY 10036
(212) 586-1550
✔ PECOS✔ Accepts Medicare1.1 mi
Orthopedic Surgery
NPI 1285300954
301 E 17TH ST RM 1402
New York, NY 10003
(332) 209-8113
✔ PECOS✔ Accepts Medicare1.3 mi
Internal Medicine
NPI 1659532802
535 5TH AVE SUITE 611
New York, NY 10017
(212) 227-3688
✔ PECOS✔ Accepts Medicare1.3 mi
Gastroenterology
NPI 1164666244
535 5TH AVE RM 604
New York, NY 10017
(212) 794-0240
✔ PECOS✔ Accepts Medicare1.3 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 33D2273892

City Medical Of Upper East Side PLLC · New York, NY
Active · expires Mar 26, 2027
CLIA Number33D2273892
Laboratory TypePhysician Office
Certificate Effective DateDecember 20, 2022
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Dmitry Volfson
Laboratory Phone(929) 476-0462
Laboratory LocationCity Medical Of Upper East Side PLLC400 W 23rd St, New York, NY 10011
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 1902513278. It was assigned to this organization in the NPPES registry on November 4, 2022.

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

City Medical Of Upper East Side, PLLC is located at 400 W 23rd St, New York, NY 10011. The listed phone number is (929) 476-0462.

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, 214 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 33D2273892) 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.