Westside Family Medicine PLLC.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

213539 Issued in NY

Legal business name

WESTSIDE FAMILY MEDICINE PLLC.

Practice address

535 W 110TH St Apt 1E
New York, NY 10025-2021

Phone

(212) 280-4740

NPI assigned

Nov 1, 2006

Last updated

Sep 4, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Bertie BregmanNPI 1114988110

Title

President

Phone

(212) 280-4740

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, NJ2 enrollments

Enrollment records 2

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 56

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Bertie Michael Bregman, M.D.

  • Family Medicine Physician
  • New York, NY
  • NPI 1114988110

  NJ

  Medicare reassignment Care Compare group NPD Authorized official
• Lovonne Brown, MD

  • Family Medicine Physician
  • New York, NY
  • NPI 1487235107

  NJ

  Medicare reassignment Care Compare group NPD
• Jenny Gerner, M.D

  • Internal Medicine Physician
  • New York, NY
  • NPI 1437428828
  Medicare reassignment Care Compare group NPD
• Ann Marie Gustafson, MD

  • Psychiatry Physician
  • New York, NY
  • NPI 1215497045
  Medicare reassignment Care Compare group NPD
• Omar Hawasli, MD

  • Internal Medicine Physician
  • New York, NY
  • NPI 1801979406
  Medicare reassignment Care Compare group NPD
• Joshua Holden, M.D.

  • Obstetrics & Gynecology Physician
  • New York, NY
  • NPI 1720010994

  NJ

  Medicare reassignment Care Compare group NPD
• James Nicola Lauren

  • Nurse Practitioner
  • New York, NY
  • NPI 1245856921
  Medicare reassignment Care Compare group NPD
• Pearl P Lui, M.D.

  • Family Medicine Physician
  • Brooklyn, NY
  • NPI 1558723353

  NJ

  Medicare reassignment Care Compare group NPD
• Christopher Medrano, MD

  • Family Medicine Physician
  • New York, NY
  • NPI 1295313781
  Medicare reassignment Care Compare group NPD
• John F. Meer, M.D.

  • Internal Medicine Physician
  • New York, NY
  • NPI 1457483455

  NJ

  Medicare reassignment Care Compare group NPD
• Gaia E Mistriel

  • Physician Assistant
  • New York, NY
  • NPI 1427902931

  NJ

  Medicare reassignment Care Compare group NPD
• Valerie Naggie, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Bronx, NY
  • NPI 1477371037
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756944000000",
    "number": "1467539874",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 W 108TH ST APT 13A",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100252788",
            "fax_number": "212-280-4743"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 W 110TH ST APT 1E",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100252021",
            "telephone_number": "212-280-4740"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 E 87th St Ste 1F",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "101281049",
            "country_code": "US",
            "telephone_number": "212-280-4740",
            "fax_number": "212-280-4743",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "315 W 70th St Apt 1B",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100233504",
            "country_code": "US",
            "telephone_number": "212-280-4740",
            "fax_number": "212-280-4743",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "322 Fairview Ave",
            "address_purpose": "LOCATION",
            "city": "Hudson",
            "state": "NY",
            "postal_code": "125341219",
            "country_code": "US",
            "telephone_number": "212-280-4740",
            "fax_number": "212-280-4743",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "349 3rd St",
            "address_purpose": "LOCATION",
            "city": "Jersey City",
            "state": "NJ",
            "postal_code": "073025634",
            "country_code": "US",
            "telephone_number": "212-280-4740",
            "fax_number": "212-280-4743",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "219 Driggs Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112224605",
            "country_code": "US",
            "telephone_number": "212-280-4740",
            "fax_number": "212-280-4743",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "132 Crosby St Apt 2R",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100124044",
            "country_code": "US",
            "telephone_number": "212-280-4740",
            "fax_number": "212-280-4743",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "WESTSIDE FAMILY MEDICINE PLLC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A",
        "authorized_official_last_name": "BREGMAN",
        "authorized_official_first_name": "BERTIE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "212-280-4740"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "213539",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Family Medicine Physician in New York, NY
• Providers in New York, NY by specialty
• Family Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.