CITY MEDICAL OF UPPER EAST SIDE, PLLC
NPI 1033612437
Clinic/Center - Urgent Care in Deer Park, NY

Active since March 12, 2018CLIA 33D2037792 · Waiver
1930 DEER PARK AVE, DEER PARK, NY 11729(631) 254-5900(631) 392-0948 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: November 08, 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 1033612437), doing business as Citymd Urgent Care, is a healthcare organization registered as an urgent care in Deer Park, 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

NPI1033612437
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameCITY MEDICAL OF UPPER EAST SIDE, PLLC
Location Address1930 DEER PARK AVEDeer Park, NY 11729-3328
Mailing Address1345 Avenue Of The Americas Fl 8New York, NY 10105-0018 · (908) 588-3635
Fax(631) 392-0948
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 1033612437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
1930 DEER PARK AVE, Deer Park, NY 11729

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, 1 practice at this address and 49 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 1538379599
1930 DEER PARK AVE
Deer Park, NY 11729
(631) 254-5900
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1447342399
1757 SUNRISE HWY
Bay Shore, NY 11706
(516) 453-0172
✔ PECOS✔ Accepts Medicare4.2 mi
Family Practice
NPI 1134270549
1869 BRENTWOOD RD
Brentwood, NY 11717
(631) 853-3428
✔ PECOS✔ Accepts Medicare4.8 mi
Family Practice
NPI 1528057767
656 N.WELLWOOD AVENUE
Lindenhurst, NY 11757
(631) 225-4227
✔ PECOS✔ Accepts Medicare5.0 mi
Emergency Medicine
NPI 1154386852
656 N WELLWOOD AVENUE
Lindenhurst, NY 11757
(631) 225-4227
✔ PECOS✔ Accepts Medicare5.0 mi
Anesthesiology
NPI 1679937684
200 MOTOR PKWY STE C14C15
Hauppauge, NY 11788
(631) 265-9355
✔ PECOS✔ Accepts Medicare5.0 mi
Emergency Medicine
NPI 1730491838
1000 MONTAUK HWY
West Islip, NY 11795
(631) 376-4163
✔ PECOS✔ Accepts Medicare5.1 mi
Family Practice
NPI 1134659329
1000 MONTAUK HWY
West Islip, NY 11795
(631) 376-4163
✔ PECOS✔ Accepts Medicare5.1 mi
Nurse Practitioner
NPI 1811509144
1000 MONTAUK HWY
West Islip, NY 11795
(631) 376-4045
✔ PECOS✔ Accepts Medicare5.1 mi
Orthopedic Surgery
NPI 1275631087
375 EAST MAIN STREET SUITE 1
Bayshore, NY 11706
(631) 665-8790
✔ PECOS5.6 mi
Hospitalist
NPI 1578858346
110 BI COUNTY BLVD STE 114
Farmingdale, NY 11735
(631) 828-7417
✔ PECOS✔ Accepts Medicare5.7 mi
General Practice
NPI 1841358140
558 LARKFIELD RD
East Northport, NY 11731
(631) 486-7459
✔ PECOS✔ Accepts Medicare6.7 mi
Geriatric Medicine
NPI 1225028376
399 COUNTYLINE RD
Amityville, NY 11701
(631) 608-5629
✔ PECOS✔ Accepts Medicare7.3 mi
Cardiovascular Disease (Cardiology)
NPI 1629278833
137 BROADWAY STE A
Amityville, NY 11701
(631) 264-2424
✔ PECOS✔ Accepts Medicare7.5 mi
General Practice
NPI 1316039175
888 OLD COUNTRY RD
Plainview, NY 11803
(516) 719-2335
✔ PECOS✔ Accepts Medicare7.8 mi
Internal Medicine
NPI 1053472746
4295 HEMPSTEAD TPKE
Bethpage, NY 11714
(516) 520-2745
✔ PECOS✔ Accepts Medicare8.2 mi
Internal Medicine
NPI 1114970753
519 W JERICHO TPKE
Smithtown, NY 11787
(631) 360-5900
✔ PECOS✔ Accepts Medicare8.9 mi
Sports Medicine
NPI 1134431554
158 E MAIN ST STE 3
Huntington, NY 11743
(631) 944-3020
✔ PECOS✔ Accepts Medicare9.0 mi
General Surgery
NPI 1689604415
124 MAIN ST STE 16
Huntington, NY 11743
(631) 423-7000
✔ PECOS✔ Accepts Medicare9.0 mi
Qualified Audiologist
NPI 1487827143
3601 HEMPSTEAD TPKE STE 201
Levittown, NY 11756
(631) 404-0540
✔ Accepts Medicare9.4 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 33D2037792

City Medical Of Upper East Side PLLC · Deer Park, NY
Active · expires Mar 26, 2027
CLIA Number33D2037792
Laboratory TypePhysician Office
Certificate Effective DateSeptember 15, 2016
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorDr. Dmitry Volfson
Laboratory Phone(631) 254-5900
Laboratory LocationCity Medical Of Upper East Side PLLC1930 Deer Park Avenue, Deer Park, NY 11729
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 1033612437. 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 1930 Deer Park Ave, Deer Park, NY 11729. The listed phone number is (631) 254-5900.

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, 1 practice at this address and 49 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 33D2037792) 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.