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WESTSIDE FAMILY MEDICINE PLLC.
NPI 1467539874
Family Medicine in New York, NY

Active since November 01, 2006CLIA Certified · 3 labs
535 W 110TH ST APT 1E, NEW YORK, NY 10025(212) 280-4740 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 4, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Westside Family Medicine Pllc. NPPES

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

WESTSIDE FAMILY MEDICINE PLLC. (NPI 1467539874) is a healthcare organization registered as a family medicine in New York, New York and active in the NPI registry since November 2006. The organization holds 3 active CLIA laboratory certificates, maintains 6 additional practice locations, and lists Bertie Bregman, President, as its authorized official.

NPPES Registry Identity

NPI1467539874
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameWESTSIDE FAMILY MEDICINE PLLC.
Location Address535 W 110TH ST APT 1ENew York, NY 10025-2021
Mailing Address300 W 108th St Apt 13aNew York, NY 10025-2788 · Fax (212) 280-4743
Phone(212) 280-4740
Organization SubpartNo
Authorized OfficialBertie BregmanPresident · (212) 280-4740
Enumeration DateNovember 1, 2006
Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2025
✔ NPI 1467539874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in NY · 213539
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
535 W 110TH ST APT 1E, New York, NY 10025
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Secondary Practice Locations 6

Location 1315 W 70th St Apt 1BNew York, NY 10023-3504 · Phone (212) 280-4740 · Fax (212) 280-4743
Location 2322 Fairview AveHudson, NY 12534-1219 · Phone (212) 280-4740 · Fax (212) 280-4743
Location 3132 Crosby St Apt 2RNew York, NY 10012-4044 · Phone (212) 280-4740 · Fax (212) 280-4743
Location 455 E 87th St Ste 1FNew York, NY 10128-1049 · Phone (212) 280-4740 · Fax (212) 280-4743
Location 5349 3rd StJersey City, NJ 07302-5634 · Phone (212) 280-4740 · Fax (212) 280-4743
Location 6219 Driggs AveBrooklyn, NY 11222-4605 · Phone (212) 280-4740 · Fax (212) 280-4743

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Westside Family Medicine Pllc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

31

Medicare enrollment records show 31 clinicians reassign Medicare billing to Westside Family Medicine PLLC., which bills Medicare for the services they deliver. Of these, 13 practice at this address and 25 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Family Practice9
Nurse Practitioner8
Psychiatry8
Internal Medicine5
Obstetrics/Gynecology1

Nearest to this location (20)

See all 31
Bertie Bregman, M.D.
Family Practice
NPI 1114988110
535 W 110TH ST
New York, NY 10025
(646) 764-0025
✔ PECOS✔ Accepts MedicareSame address
Lovonne Brown, MD
Family Practice
NPI 1487235107
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Omar Hawasli, MD
Internal Medicine
NPI 1801979406
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Christopher Medrano, MD
Family Practice
NPI 1295313781
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Faiza Mubarak, NP
Nurse Practitioner
NPI 1700656147
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOSSame address
Maria Sequeira, MD
Internal Medicine
NPI 1346537362
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOSSame address
Nadav Wallach, MD
Family Practice
NPI 1487233375
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Rhonda Reid, MD
Psychiatry
NPI 1215564489
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Anne Campion, NP
Nurse Practitioner
NPI 1124856729
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOSSame address
Whitney Hoyt, FNP
Nurse Practitioner
NPI 1194593467
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Gem-Estelle Lucas, D.O.
Psychiatry
NPI 1053496224
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOSSame address
Karyl Jan Soto, NP
Nurse Practitioner
NPI 1225746928
535 W 110TH ST APT 1E
New York, NY 10025
(212) 280-4740
✔ PECOS✔ Accepts MedicareSame address
Rachel Bregman, MD
Family Practice
NPI 1912963968
525 W 110TH ST SUITE 1E
New York, NY 10025
(646) 764-0025
✔ PECOS✔ Accepts MedicareSame address
Shayna Lasala, NP
Nurse Practitioner
NPI 1740141225
55 E 87TH ST STE 1F
New York, NY 10128
(212) 280-4740
✔ PECOS✔ Accepts Medicare1.6 mi
Ann Gustafson, MD
Psychiatry
NPI 1215497045
1349 LEXINGTON AVE APT 1EC
New York, NY 10128
(917) 733-4740
✔ PECOS✔ Accepts Medicare1.6 mi
Jenny Gerner, M.D
Internal Medicine
NPI 1437428828
2771 FREDERICK DOUGLASS BLVD
New York, NY 10039
(212) 523-8672
✔ PECOS✔ Accepts Medicare1.9 mi
John Meer, M.D.
Internal Medicine
NPI 1457483455
315 W 70TH ST APT 1B
New York, NY 10023
(212) 280-4740
✔ PECOS✔ Accepts Medicare2.0 mi
Joshua Holden, M.D.
Obstetrics/Gynecology
NPI 1720010994
161 FORT WASHINGTON AVE
New York, NY 10032
(212) 305-1517
✔ PECOS✔ Accepts Medicare2.8 mi
Valerie Naggie, PMHNP
Nurse Practitioner
NPI 1477371037
1065 SOUTHERN BLVD
Bronx, NY 10459
(718) 589-2440
✔ PECOS✔ Accepts Medicare4.1 mi
Jolanta Dmochowska, M.D.,D.O,
Family Practice
NPI 1386088169
NYU LANGONE MEDICAL 934 MANHATTAN AVE
Brooklyn, NY 11222
(718) 389-8585
✔ PECOS4.9 mi
See all 31 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 3

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 33D2299705

Westside Family Medicine PLLC · Brooklyn, NY
Active · expires Feb 25, 2028
CLIA Number33D2299705
Laboratory TypePhysician Office
Certificate Effective DateFebruary 26, 2026
Certificate Expiration DateFebruary 25, 2028
Laboratory DirectorDr. Bertie M. Bregman
Laboratory Phone(212) 280-4740
Laboratory LocationWestside Family Medicine PLLC219 Driggs Ave, Brooklyn, NY 11222
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 33D1055007

Westside Family Medicine, PLLC · New York, NY
Active · expires Jan 7, 2028
CLIA Number33D1055007
Laboratory TypePhysician Office
Certificate Effective DateJanuary 8, 2026
Certificate Expiration DateJanuary 7, 2028
Laboratory DirectorDr. Bertie M. Bregman
Laboratory Phone(212) 280-4740
Laboratory LocationWestside Family Medicine, PLLC535 West 110th Street, Suite 1 E, New York, NY 10025
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 33D2326789

Westside Family Medicine PLLC · New York, NY
Active · expires Jul 9, 2027
CLIA Number33D2326789
Laboratory TypePhysician Office
Certificate Effective DateJuly 10, 2025
Certificate Expiration DateJuly 9, 2027
Laboratory DirectorBertie M. Bregman
Laboratory Phone(212) 280-4740
Laboratory LocationWestside Family Medicine PLLC132 Crosby St 2nd Fl, New York, NY 10012
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 Westside Family Medicine PLLC.'s NPI number?

The NPI number for Westside Family Medicine PLLC. is 1467539874. It was assigned to this organization in the NPPES registry on November 1, 2006.

Where is Westside Family Medicine PLLC. located?

Westside Family Medicine PLLC. is located at 535 W 110th St Apt 1E, New York, NY 10025. The listed phone number is (212) 280-4740.

What is Westside Family Medicine PLLC.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Westside Family Medicine PLLC. enrolled in Medicare?

Yes. Westside Family Medicine PLLC. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Westside Family Medicine PLLC.?

According to the CMS Revalidation Reassignment List (October 2026 release), 31 clinicians in 5 Medicare specialties reassign their Medicare billing to Westside Family Medicine 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 Family Practice (9), Nurse Practitioner (8) and Psychiatry (8). Of these, 13 practice at this address and 25 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Westside Family Medicine PLLC. hold CLIA laboratory certificates?

Yes. 3 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 Westside Family Medicine PLLC. was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.