Bonni S. Massa, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A67511 Issued in CA

Practice address

1496 Professional Dr Ste 603
Petaluma, CA 94954-6698

Phone

(628) 336-5260

NPI assigned

Nov 30, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

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

Specialty

Obstetrics/Gynecology

Education

Clvlnd Clinic Lerner College of Med of Case WSTN RSV University, 1997

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Regents Univ of California UCSFGroup PAC ID 6305160300, 276 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marinhealth Medical Center Hospital, Greenbrae, CA, CCN 050360
• California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
• Sonoma Valley Hospital Hospital, Sonoma, CA, CCN 050090

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: bmassa382203@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.

• Regents Univ of California UCSF

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1124439807
  Medicare reassignment Care Compare group NPD
• Pacific Gynecology & Obstetrics Medical Group Inc

  • Obstetrics & Gynecology Physician
  • San Francisco, CA
  • NPI 1528005055
  Medicare reassignment

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Marin General Hospital

  • General Acute Care Hospital
  • Greenbrae, CA
  • NPI 1396725677
  Care Compare affiliation
• Sonoma Valley Health Care District

  • General Acute Care Hospital
  • Sonoma, CA
  • NPI 1710063870
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1740348929
  Care Compare affiliation

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

{
    "created_epoch": "1164844800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1729555200000",
    "number": "1508933607",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2100 WEBSTER ST",
            "address_2": "SUITE 319",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941152373",
            "telephone_number": "415-923-3123",
            "fax_number": "415-923-3132"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1496 PROFESSIONAL DR STE 603",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949546698",
            "telephone_number": "628-336-5260"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2100 Webster St",
            "address_2": "suite 319",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941152373",
            "country_code": "US",
            "telephone_number": "415-923-3123",
            "fax_number": "415-923-3132",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSA",
        "first_name": "BONNI",
        "middle_name": "S.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-30",
        "last_updated": "2024-10-22",
        "certification_date": "2024-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A67511",
            "primary": true
        },
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "CA",
            "license": "A67511",
            "primary": false
        },
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "CA",
            "license": "A67511",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Valerie Elizabeth Martinez
• Nicole Elise Martino
• Paul Richard Mascovich, MD
• Sabahat Masih
• Hannah Maslow
• Melissa Mata-Duran
• Jacquelyn Rebecca Matthews
• Felicia Matto-Shepard, MFT
• Jimmy Lee Matto-Shepard, PH.D.
• Katherine May

• Obstetrics & Gynecology Physician in Petaluma, CA
• Providers in Petaluma, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 2024; 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.
• 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.