CITY MEDICAL OF UPPER EAST SIDE, PLLC
NPI 1124199252
Clinic/Center - Urgent Care in Lynbrook, NY

Active since November 12, 2006CLIA Certified · 2 labs
585 MERRICK RD, LYNBROOK, NY 11563(516) 764-2273(516) 764-2268 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2025, Sep 11, 2024, Jun 21, 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 1124199252), doing business as Citymd Urgent Care, is a healthcare organization registered as an urgent care in Lynbrook, New York and active in the NPI registry since November 2006. The organization holds 2 active CLIA laboratory certificates and lists Swahili Henry, Director Of Payment Solutions, as its authorized official.

NPPES Registry Identity

NPI1124199252
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameCITY MEDICAL OF UPPER EAST SIDE, PLLC
Location Address585 MERRICK RDLynbrook, NY 11563-2311
Mailing Address1345 Avenue Of The Americas Fl 8New York, NY 10105-0018 · (908) 588-3635
Fax(516) 764-2268
Organization SubpartYesParent: City Medical Of Upper East Side,pllc
Authorized OfficialSwahili HenryDirector Of Payment Solutions · (908) 988-0428
Enumeration DateNovember 12, 2006
Last NPPES UpdateMarch 3, 20254 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1124199252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
585 MERRICK RD, Lynbrook, NY 11563

Other Names 1

Doing Business AsCitymd Urgent Care

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, 9 practice at this address and 107 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
Emergency Medicine
NPI 1295792620
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1063664548
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOSSame address
Internal Medicine
NPI 1194106187
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1902991946
585 MERRICK RD C/O PREMIER CARE
Lynbrook, NY 11563
(516) 764-2273
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1558314781
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOSSame address
Internal Medicine
NPI 1114933991
585 MERRICK RD
Lynbrook, NY 11563
(516) 783-4600
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1437244506
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1609196617
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1548428675
585 MERRICK RD
Lynbrook, NY 11563
(516) 764-2273
✔ PECOS✔ Accepts MedicareSame address
Pulmonary Disease
NPI 1699758631
444 MERRICK RD LOWER LEVEL 1
Lynbrook, NY 11563
(516) 593-9500
✔ PECOS✔ Accepts Medicare0.3 mi
Pulmonary Disease
NPI 1275516205
444 MERRICK RD LOWER LEVEL 1
Lynbrook, NY 11563
(516) 593-9500
✔ PECOS✔ Accepts Medicare0.3 mi
Family Practice
NPI 1306282330
306 HEMPSTEAD AVE
Malverne, NY 11565
(516) 678-0076
✔ PECOS✔ Accepts Medicare1.3 mi
Neurology
NPI 1457420267
949 CENTRAL AVE SUITE 100
Woodmere, NY 11598
(516) 374-7246
✔ PECOS✔ Accepts Medicare2.5 mi
Emergency Medicine
NPI 1174575666
22 N FOREST AVE 2-G
Rockville Centre, NY 11570
(516) 665-3106
✔ PECOS2.5 mi
Allergy/Immunology
NPI 1104096536
2940 LINCOLN AVE STE 200
Oceanside, NY 11572
(516) 448-9180
✔ PECOS✔ Accepts Medicare2.6 mi
Emergency Medicine
NPI 1154694867
560 MERRICK RD
Rockville Centre, NY 11570
(516) 858-2373
✔ PECOS✔ Accepts Medicare2.7 mi
Emergency Medicine
NPI 1073520110
560 MERRICK RD
Rockville Centre, NY 11570
(516) 858-2373
✔ PECOS✔ Accepts Medicare2.7 mi
Family Practice
NPI 1447218532
560 MERRICK RD
Rockville Centre, NY 11570
(516) 858-2373
✔ PECOS✔ Accepts Medicare2.7 mi
Family Practice
NPI 1134447329
196 MERRICK RD
Oceanside, NY 11572
(516) 255-8400
✔ PECOS✔ Accepts Medicare2.9 mi
Internal Medicine
NPI 1366555781
85 E MARKET ST
Long Beach, NY 11561
(212) 588-9314
✔ PECOS✔ Accepts Medicare5.0 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 2

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 33D1054264

City Medical Of Upper East Side PLLC · Lynbrook, NY
Active · expires Mar 26, 2027
CLIA Number33D1054264
Laboratory TypePhysician Office
Certificate Effective DateAugust 17, 2018
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Dmitry Volfson
Laboratory Phone(516) 764-2273
Laboratory LocationCity Medical Of Upper East Side PLLC585 Merrick Road, Lynbrook, NY 11563
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 33D1088879

City Medical Of Upper East Side PLLC · Levittown, NY
Active · expires Mar 26, 2027
CLIA Number33D1088879
Laboratory TypePhysician Office
Certificate Effective DateAugust 17, 2018
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Dmitry M. Volfson
Laboratory Phone(516) 764-2273
Laboratory LocationCity Medical Of Upper East Side PLLC3276 Hempstead Turnpike, Levittown, NY 11756
CLIA data matches this NPI record on: 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 1124199252. It was assigned to this organization in the NPPES registry on November 12, 2006. The provider is doing business as CityMD Urgent Care.

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

City Medical Of Upper East Side, PLLC is located at 585 Merrick Rd, Lynbrook, NY 11563. The listed phone number is (516) 764-2273.

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, 9 practice at this address and 107 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 CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for City Medical Of Upper East Side, PLLC was last updated on March 3, 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.