Angela Claire Biesen, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

20A16223 Issued in CA

Practice address

9900 Talbert Ave Ste 301
Fountain Valley, CA 92708-5153

Phone

(714) 965-2500

Fax

(714) 965-2583

NPI assigned

May 11, 2016

Last updated

May 30, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Mrs. Angela Claire Whitaker Former name

Electronic endpoints 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

Internal Medicine

Education

Western University of Health Sciences College of Dental Med, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Edinger Medical Group IncGroup PAC ID 6204863269, 15 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Orange Coast Medical Center Hospital, Fountain Valley, CA, CCN 050678

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: awhitaker544226@direct.memorialcare.org

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.

• Edinger Medical Group, Inc.

  • Internal Medicine Physician
  • Huntington Beach, CA
  • NPI 1215185640
  Medicare reassignment Care Compare group NPD
• Edinger Medical Group, Inc.

  • Internal Medicine Physician
  • Fountain Valley, CA
  • NPI 1992724959
  NPD
• Edinger Medical Group, Inc.

  • Internal Medicine Physician
  • Newport Beach, CA
  • NPI 1235021346
  NPD (past)
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  NPD (past)

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

• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  Care Compare affiliation

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

{
    "created_epoch": "1462924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780099200000",
    "number": "1699121491",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9900 TALBERT AVE STE 200",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927085153",
            "telephone_number": "714-965-2500",
            "fax_number": "714-965-2593"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9900 TALBERT AVE STE 301",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927085153",
            "telephone_number": "714-965-2500",
            "fax_number": "714-965-2583"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20981 Magnolia St",
            "address_purpose": "LOCATION",
            "city": "Huntington Beach",
            "state": "CA",
            "postal_code": "926466338",
            "country_code": "US",
            "telephone_number": "714-965-2500",
            "fax_number": "714-965-2593",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BIESEN",
        "first_name": "ANGELA",
        "middle_name": "CLAIRE",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-05-11",
        "last_updated": "2026-05-30",
        "certification_date": "2026-05-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A16223",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "WWW.EDINGERMEDICALGROUP.COM",
            "affiliation": "N",
            "endpointDescription": "GROUP",
            "address_1": "9900 Talbert Ave Ste 301",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927085153",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ANGELA",
            "last_name": "WHITAKER",
            "middle_name": "CLAIRE",
            "prefix": "MRS.",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Internal Medicine Physician in Fountain Valley, CA
• Providers in Fountain Valley, 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 May 30, 2026; 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.