Individual provider Active NPI

Ali Ayub Khan, MD

  • Hospitalist Physician
  • Columbia, MO
National Provider Identifier
1144843244
Registry record updated Jul 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
2024019588 Issued in MO
Practice address
1 Hospital Dr
Columbia, MO 65212-1000
Phone
(573) 882-7272
NPI assigned
May 22, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2024019588 MO
Hospitalist Physician 208M00000X 2024019588 MO Primary

Addresses

Primary practice location

1 Hospital Dr
Columbia, MO 65212-1000

Mailing address

1 Hospital Dr Ste Ce306
Columbia, MO 65212-1000
Phone (573) 882-7272

Other identifiers 1

IdentifierTypeStateIssuer
200097819MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
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

Enrollment IDStateProvider typePAC IDDetails
I20240731003829 MO Practitioner - HospitalistPractitioner - Internal Medicine 1658772256 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
University of Oklahoma College of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

1 Barnes Jew Hosp PLZ
Saint Louis, MO 63110-1003
Phone (314) 747-3000

Hospital & facility affiliations

  • Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Jul 9, 2024 Accepting new patients
Washington University CurrentSince Jul 9, 2024 Accepting new patients
Barnes Jewish Hospital Past Accepting new patients

Locations

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700

8 Millstone Campus Dr
Saint Louis, MO 63146
Phone (314) 273-4375

Interoperability endpoints

  • FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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": "1590105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1144843244",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL DR STE CE306",
            "city": "COLUMBIA",
            "state": "MO",
            "postal_code": "652121000",
            "telephone_number": "573-882-7272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HOSPITAL DR",
            "city": "COLUMBIA",
            "state": "MO",
            "postal_code": "652121000",
            "telephone_number": "573-882-7272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KHAN",
        "first_name": "ALI",
        "middle_name": "AYUB",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-22",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2024019588",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2024019588",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200097819",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div IM Hospitalist",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Columbia, MO

Sources for this page

Verify at the official NPI Registry.