Ahmad Basil Nasir, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

2024041686 Issued in MO

Practice address

1402 S Grand Blvd RM M260
Saint Louis, MO 63104-1004

Phone

(314) 617-2359

NPI assigned

Apr 25, 2020

Last updated

Sep 18, 2025By the provider in NPPES

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OK, MO2 enrollments

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 2

Specialty

Internal Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Usacs Observation Medicine Services of Oklahoma, LLCGroup PAC ID 9931562956, 203 clinicians

Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension St John Medical Center Hospital, Tulsa, OK, CCN 370114
• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• Ascension St John Jane Phillips Hospital, Bartlesville, OK, CCN 370018
• St John Owasso Hospital, Owasso, OK, CCN 370227
• Ascension St John Sapulpa Hospital, Sapulpa, OK, CCN 371312

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Physician Groups LC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1285664268

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Usacs Observation Medicine Services of Oklahoma, LLC

  • Emergency Medicine Physician
  • Tulsa, OK
  • NPI 1326739111
  Medicare reassignment Care Compare group NPD
• Emergency Medicine Physicians of Tulsa County, LLC

  • Emergency Medicine Physician
  • Tulsa, OK
  • NPI 1003098773
  Medicare reassignment NPD
• Physician Groups LC

  dba Medical Arts Clinic

  • Multi-Specialty Clinic/Center
  • Farmington, MO
  • NPI 1427114990
  NPD
• St John Medical Center Inc

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1154417368
  NPD (past)

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

• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation
• Jane Phillips Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Bartlesville, OK
  • NPI 1215914254
  Care Compare affiliation
• Jane Phillips Memorial Medical Center, Inc.

  • Medicare Defined Swing Bed Hospital Unit
  • Bartlesville, OK
  • NPI 1427428986
  Care Compare affiliation
• Owasso Medical Facility, Inc

  dba St. John Owasso

  • General Acute Care Hospital
  • Owasso, OK
  • NPI 1144231432
  Care Compare affiliation
• St John Medical Center Inc

  • General Acute Care Hospital
  • Tulsa, OK
  • NPI 1154417368
  Care Compare affiliation
• St John Medical Center Inc

  • Rehabilitation Hospital Unit
  • Tulsa, OK
  • NPI 1578656161
  Care Compare affiliation
• St John Sapulpa, Inc.

  • Critical Access Hospital
  • Sapulpa, OK
  • NPI 1922076603
  Care Compare affiliation

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

{
    "created_epoch": "1587772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1194345579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1008 S SPRING AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631102520",
            "telephone_number": "314-617-3177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1402 S GRAND BLVD RM M260",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631041004",
            "telephone_number": "314-617-2359"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3015 N Ballas Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631312329",
            "country_code": "US",
            "telephone_number": "314-996-5772",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NASIR",
        "first_name": "AHMAD BASIL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-25",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OK",
            "license": "35765",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2024041686",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "3015 N Ballas Rd Ste 206",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631312329",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• John A Nash, M.D.
• Maria Nash, MACCCSLP
• Michael William Nash, M.D.
• Patricia Lynn Nash, RNC, NNP
• Sydney Alexandra Nash
• Amana N Nasir, M.D.
• Zeeshan Nasir, M.D.
• Michaella-Jana Camille Nasr, MD
• Adam Nasreddine, MD
• Zahida Nasreen, MD

• Hospitalist Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Hospitalist Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.