Jack K Middlebrooks, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A78085 Issued in CA

Practice address

9900 Talbert Ave
Suite 302
Fountain Valley, CA 92708-5153

Phone

(714) 965-2500

Fax

(714) 965-2581

NPI assigned

Jul 5, 2006

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 California, Geffen School of Medicine, 2000

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 Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• 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
• 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": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771632000000",
    "number": "1497786008",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8039",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927088039",
            "telephone_number": "714-965-2500",
            "fax_number": "714-965-2581"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9900 TALBERT AVE",
            "address_2": "SUITE 302",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927085153",
            "telephone_number": "714-965-2500",
            "fax_number": "714-965-2581"
        }
    ],
    "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"
        },
        {
            "address_1": "18682 Beach Blvd Ste 150",
            "address_purpose": "LOCATION",
            "city": "Huntington Beach",
            "state": "CA",
            "postal_code": "926482050",
            "country_code": "US",
            "telephone_number": "714-965-2500",
            "fax_number": "714-965-2593",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MIDDLEBROOKS",
        "first_name": "JACK",
        "middle_name": "K",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-05",
        "last_updated": "2026-02-21",
        "certification_date": "2026-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A78085",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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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 Feb 21, 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.