Graham Blake Parker

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A188171 Issued in CA

Practice address

1200 N State St Ste A7D
Los Angeles, CA 90089-1001

Phone

(323) 409-7556

NPI assigned

Mar 19, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

Internal Medicine

Education

University of Miami, LM Miller School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lakewood Hospitalist Medical Group IncGroup PAC ID 4981141496, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Lakewood Hospital, Lakewood, CA, CCN 050581
• Uci Health-Orange Hospital, Orange, CA, CCN 050348
• Los Angeles General Medical Center Hospital, Los Angeles, CA, CCN 050373

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Lakewood Hospitalist Medical Group, Inc

  • Internal Medicine Physician
  • Lakewood, CA
  • NPI 1447003983
  Medicare reassignment Care Compare group NPD

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

• County of Los Angeles

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1598773715
  Care Compare affiliation
• University of California Irvine

  • General Acute Care Hospital
  • Lakewood, CA
  • NPI 1184655581
  Care Compare affiliation
• University of California Irvine

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1647648000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752278400000",
    "number": "1770232639",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N STATE ST STE A7D",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900891001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N STATE ST STE A7D",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900891001",
            "telephone_number": "323-409-7556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PARKER",
        "first_name": "GRAHAM",
        "middle_name": "BLAKE",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-19",
        "last_updated": "2025-07-12",
        "certification_date": "2025-07-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A188171",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brendan K. Parker
• Bridget L. Parker
• Chase Parker, CADC-CAS
• Detrell Parker
• Gabrielle Denise Parker
• Jason Parker
• Jonathan Parker
• Joni Rochelle Parker, MD
• Jordan Parker
• Judit Parker

• Internal Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 12, 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.