Abdulhaadi Ahmad Khan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A189165 Issued in CA

Practice address

400 N Pepper Ave
Colton, CA 92324-1819

Phone

(909) 580-1000

Fax

(909) 580-3235

NPI assigned

Mar 24, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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, San Diego School of Medicine, 2022

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• The Regents of the University of California-Irvine

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  Medicare reassignment NPD

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

{
    "created_epoch": "1648080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770508800000",
    "number": "1619627510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21098 COLONY CT",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905034060",
            "telephone_number": "310-918-7131"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 N PEPPER AVE",
            "city": "COLTON",
            "state": "CA",
            "postal_code": "923241819",
            "telephone_number": "909-580-1000",
            "fax_number": "909-580-3235"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 The City Dr S Ste 400",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-456-5691",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KHAN",
        "first_name": "ABDULHAADI",
        "middle_name": "AHMAD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-24",
        "last_updated": "2026-02-08",
        "certification_date": "2026-02-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A189165",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Randall Lyle Kerr, MFTI, CAS II
• Kerry a. Hannifin, Psy.D., Inc.
• Narek Keshishyan, DO
• Sandra Kesler
• Saro Khajehgian, D.O
• Aleena Arij Khan, MBBS
• Hibah Ilyas Khan, DO
• Hira Khan
• Mohammad Shahid A Khan, MD
• Sadia Khan, D.O.

• Internal Medicine Physician in Colton, CA
• Providers in Colton, 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 8, 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.