NPIMap

Individual provider Active NPI

Robert E. Bristow, MD

  • Gynecologic Oncology Physician
  • Orange, CA
National Provider Identifier
1427016039
Registry record updated Dec 16, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gynecologic Oncology PhysicianTaxonomy code 207VX0201X
License
G81369 Issued in CA
Practice address
101 The City Drive South
Orange, CA 92868
Phone
(410) 955-6700
NPI assigned
May 3, 2006
Last updated
Dec 16, 2011By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2011

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X D53552 MD
Gynecologic Oncology Physician 207VX0201X G81369 CA Primary

Addresses

Primary practice location

101 The City Drive South
Orange, CA 92868

Mailing address

PO Box 513980
Los Angeles, CA 90051-3980
Phone (714) 456-7004

Other identifiers 2

IdentifierTypeStateIssuer
221505500MedicaidMD
00G813690MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100414000126 CA Practitioner - Obstetrics/GynecologyPractitioner - Internal MedicinePractitioner - RheumatologyPractitioner - Medical OncologyPractitioner - Gynecological Oncology 9638205107 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/GynecologyAlso: Gynecological Oncology, Rheumatology
Education
University of Southern California Keck School of Medicine, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Regents of the University of CaliforniaGroup PAC ID 0143128009, 51 clinicians

Practice addresses (Care Compare)

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7002

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
83.7
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of the uterus1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G81369CAMDGynecologic Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California Obstetrics & Gynecology CurrentSince May 1, 2010 Accepting new patients
University of California Irvine Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
University of California Irvine PastSince Sep 28, 2025 Accepting new patients
University of California Irvine Past Accepting new patients

Locations

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

101 The City Dr S
Bldg 29
Orange, CA 92868
Phone (714) 456-7005

Interoperability endpoints

  • Direct secure messaging: rbristow109239@direct.memorialcare.org

Organizations & group practices 5

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

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1146614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1323993600000",
    "number": "1427016039",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 513980",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900513980",
            "telephone_number": "714-456-7004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DRIVE SOUTH",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "92868",
            "telephone_number": "410-955-6700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRISTOW",
        "first_name": "ROBERT",
        "middle_name": "E.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-03",
        "last_updated": "2011-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MD",
            "license": "D53552",
            "primary": false
        },
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "CA",
            "license": "G81369",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "221505500",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G813690",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.