Robert J Borrowdale, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

G56910 Issued in CA

Practice address

661 W 1St St Ste G
Tustin, CA 92780-2939

Phone

(714) 665-9890

Fax

(714) 665-9891

NPI assigned

Jun 8, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Loma Linda University School of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Caduceus Physicians Medical GroupGroup PAC ID 5294762654, 23 clinicians

Anchor Medical GroupGroup PAC ID 9133616519, 19 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/DDFJCA/Endpoint/DDFJCA

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.

• Anchor Medical Group

  • Family Medicine Physician
  • Yorba Linda, CA
  • NPI 1700678810

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Caduceus Physicians Medical Group

  • Family Medicine Physician
  • Yorba Linda, CA
  • NPI 1497702724

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• Families Together of Orange County

  • Clinic/Center
  • Tustin, CA
  • NPI 1194122457
  Medicare reassignment NPD
• Latino Health Services Medical Group Inc

  • Primary Care Clinic/Center
  • Santa Ana, CA
  • NPI 1790701514
  Medicare reassignment NPD
• Families Together of Orange County

  • Federally Qualified Health Center (FQHC)
  • Tustin, CA
  • NPI 1861253080
  NPD
• Alfred W. Sloan, MD, Apc

  • Obstetrics & Gynecology Physician
  • Placentia, CA
  • NPI 1912180845
  NPD (past)
• Anaheim Memorial Medical Center

  • General Acute Care Hospital
  • Anaheim, CA
  • NPI 1295782381
  NPD (past)
• Chiron Psychological, Inc

  • Psychologist
  • Irvine, CA
  • NPI 1467984377
  NPD (past)
• Families Together of Orange County

  • Federally Qualified Health Center (FQHC)
  • Tustin, CA
  • NPI 1114788239
  NPD (past)
• Orange County Global Medical Center, Inc

  • General Acute Care Hospital
  • Santa Ana, CA
  • NPI 1982697678
  NPD (past)
• South Coast Global Medical Center, Inc

  • General Acute Care Hospital
  • Santa Ana, CA
  • NPI 1558354258
  NPD (past)
• University of California Irvine

  • General Acute Care Hospital
  • Placentia, CA
  • NPI 1700817756
  NPD (past)

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

{
    "created_epoch": "1149724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1013958545",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "661 W 1ST ST STE G",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927802939",
            "telephone_number": "714-665-9890",
            "fax_number": "714-665-9891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "661 W 1ST ST STE G",
            "city": "TUSTIN",
            "state": "CA",
            "postal_code": "927802939",
            "telephone_number": "714-665-9890",
            "fax_number": "714-665-9891"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11180 Warner Ave Ste 353",
            "address_purpose": "LOCATION",
            "city": "Fountain Valley",
            "state": "CA",
            "postal_code": "927084098",
            "country_code": "US",
            "telephone_number": "714-968-6789",
            "fax_number": "714-202-2626",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9918 Katella Ave Ste A-C",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928046465",
            "country_code": "US",
            "telephone_number": "714-644-9494",
            "fax_number": "714-644-9894",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BORROWDALE",
        "first_name": "ROBERT",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-08",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "G56910",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G569100",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Heather Kristina Bonnville, PHYSICIAN ASSISTANT
• Stephanie Boone, LMFT
• Booth Optometry Group
• Lowell John Booth, OD
• Stephanie Bornstein
• Boskovic & Srbinovska DDS Inc
• Boskovic Srbinovska DDS Inc.
• Milos M. Boskovic, DDS
• Liane Botes, RBT
• Corinne Boulger, MA

• Obstetrics & Gynecology Physician in Tustin, CA
• Providers in Tustin, 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, 2025; 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.