CITY MEDICAL OF UPPER EAST SIDE, PLLC
NPI 1043713548
Clinic/Center - Urgent Care in Smithtown, NY

Active since March 12, 2018CLIA 33D1040032 · Waiver
519 W JERICHO TPKE, SMITHTOWN, NY 11787(631) 360-5900(631) 360-9403 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 3, 2025, Sep 11, 2024, Jun 21, 2024 and 1 more (4 updates tracked since 2018).

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 1043713548), doing business as Citymd Urgent Care, is a healthcare organization registered as an urgent care in Smithtown, New York and active in the NPI registry since March 2018. 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

NPI1043713548
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameCITY MEDICAL OF UPPER EAST SIDE, PLLC
Location Address519 W JERICHO TPKESmithtown, NY 11787-2619
Mailing Address1345 Avenue Of The Americas Fl 8New York, NY 10105-0018 · (908) 588-3635
Fax(631) 360-9403
Organization SubpartYes
Authorized OfficialSwahili HenryDirector Of Payment Solutions · (908) 988-0428
Enumeration DateMarch 12, 2018
Last NPPES UpdateMarch 3, 20254 updates tracked since enumeration
NPPES CertifiedMarch 3, 2025
✔ NPI 1043713548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
519 W JERICHO TPKE, Smithtown, NY 11787

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, 4 practice at this address and 27 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 1184646176
519 W JERICHO TPKE
Smithtown, NY 11787
(631) 360-5900
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1114970753
519 W JERICHO TPKE
Smithtown, NY 11787
(631) 360-5900
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1437187101
519 W JERICHO TPKE
Smithtown, NY 11787
(631) 360-5900
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1346254471
519 W JERICHO TPKE
Smithtown, NY 11787
(631) 360-5900
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1487678991
50 ROUTE 25A
Smithtown, NY 11787
(631) 862-3110
✔ PECOS✔ Accepts Medicare0.8 mi
Internal Medicine
NPI 1548255102
65 INDIAN HEAD RD SUITE 2
Kings Park, NY 11754
(631) 269-0180
✔ PECOS✔ Accepts Medicare2.6 mi
Anesthesiology
NPI 1679937684
200 MOTOR PKWY STE C14C15
Hauppauge, NY 11788
(631) 265-9355
✔ PECOS✔ Accepts Medicare4.1 mi
Emergency Medicine
NPI 1902858491
6500 JERICHO TPKE STE 23A
Commack, NY 11725
(631) 858-2273
✔ PECOS✔ Accepts Medicare4.2 mi
Emergency Medicine
NPI 1700933850
6500 JERICHO TPKE STE 23A
Commack, NY 11725
(631) 858-2273
✔ PECOS✔ Accepts Medicare4.2 mi
Family Practice
NPI 1861623472
382 ROSEVALE AVE
Ronkonkoma, NY 11779
(631) 667-0388
✔ PECOS✔ Accepts Medicare5.1 mi
Emergency Medicine
NPI 1174787154
STONY BROOK MEDICINE DEPT OF EMERGENCY HSC, LEVEL 4, ROOM 080
Stony Brook, NY 11794
(631) 444-2478
✔ PECOS✔ Accepts Medicare5.2 mi
General Practice
NPI 1841358140
558 LARKFIELD RD
East Northport, NY 11731
(631) 486-7459
✔ PECOS✔ Accepts Medicare5.5 mi
Family Practice
NPI 1134270549
1869 BRENTWOOD RD
Brentwood, NY 11717
(631) 853-3428
✔ PECOS✔ Accepts Medicare5.6 mi
Internal Medicine
NPI 1033157912
640 HAWKINS AVE
Lake Ronkonkoma, NY 11779
(631) 737-0100
✔ PECOS✔ Accepts Medicare5.9 mi
Cardiovascular Disease (Cardiology)
NPI 1992115398
DEPT OF MEDICINE HSC LEVEL 16 SUNY STONY BROOK
Stony Brook, NY 11794
(631) 444-7411
✔ PECOS✔ Accepts Medicare6.1 mi
Internal Medicine
NPI 1487740601
600 PORTION RD
Ronkonkoma, NY 11779
(631) 471-5900
✔ PECOS✔ Accepts Medicare6.9 mi
Internal Medicine
NPI 1346281086
399 FORT SALONGA RD
Northport, NY 11768
(631) 757-5400
✔ PECOS7.0 mi
Endocrinology
NPI 1588853287
26 RESEARCH WAY
East Setauket, NY 11733
(631) 444-0580
✔ PECOS✔ Accepts Medicare7.5 mi
Emergency Medicine
NPI 1720176944
1850 SUNRISE HWY
Bay Shore, NY 11706
(631) 581-5900
✔ PECOS✔ Accepts Medicare8.4 mi
Orthopedic Surgery
NPI 1275631087
375 EAST MAIN STREET SUITE 1
Bayshore, NY 11706
(631) 665-8790
✔ PECOS9.2 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 33D1040032

City Medical Of Upper East Side PLLC · Smithtown, NY
Active · expires Mar 26, 2027
CLIA Number33D1040032
Laboratory TypePhysician Office
Certificate Effective DateSeptember 15, 2016
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Dmitry Volfson
Laboratory Phone(631) 360-5900
Laboratory LocationCity Medical Of Upper East Side PLLC519 West Jericho Turnpike, Smithtown, NY 11787
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 1043713548. It was assigned to this organization in the NPPES registry on March 12, 2018. 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 519 W Jericho Tpke, Smithtown, NY 11787. The listed phone number is (631) 360-5900.

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, 4 practice at this address and 27 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 33D1040032) 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 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.