Brett Aaron Stark, MD

Primary specialty

Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X

License

A166780 Issued in CA

Practice address

499 Illinois St FL 6
San Francisco, CA 94158-2518

Phone

(415) 353-7475

Fax

(415) 353-7744

NPI assigned

Mar 23, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Brett Aaron Clark Former name

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bstark97410@direct-ucsfmedicalcenter.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104

  Obstetrics & Gynecology

  Medicare reassignment NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Anesthesiology Physician
  • San Francisco, CA
  • NPI 1366417420
  Medicare reassignment NPD
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• University of California SFGH Medical Group

  • Vascular Surgery Physician
  • San Francisco, CA
  • NPI 1033913959
  NPD
• University of California SFGH Medical Group

  • Clinical Pathology/Laboratory Medicine Physician
  • San Francisco, CA
  • NPI 1710457510
  NPD
• University of California San Francisco

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Francisco, CA
  • NPI 1992818256
  NPD (past)

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

{
    "created_epoch": "1521763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1659657600000",
    "number": "1831693779",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "499 ILLINOIS ST FL 6",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941582518",
            "telephone_number": "415-353-7475",
            "fax_number": "415-353-7744"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "499 ILLINOIS ST FL 6",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941582518",
            "telephone_number": "415-353-7475",
            "fax_number": "415-353-7744"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Potrero Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941103518",
            "country_code": "US",
            "telephone_number": "415-206-4069",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STARK",
        "first_name": "BRETT",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-23",
        "last_updated": "2022-08-05",
        "certification_date": "2022-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A166780",
            "primary": false
        },
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "CA",
            "license": "A166780",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "BRETT",
            "last_name": "CLARK",
            "middle_name": "AARON",
            "credential": "CLARK",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Ana Starcevich, MD
• Starcrest Hospice Care Inc
• Deborah Ann Starfas, MOTR
• Starfish Physical Therapy Inc.
• Andrea Ann Stariha, NP
• Giorgia Stark, LMFT, LPCC
• James B Stark, M.D.
• Jessica Gayle Irwin Stark, PA-C
• Nicholas Raymond Stark, MD
• Jren Starkey

• Reproductive Endocrinology Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Reproductive Endocrinology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.