Samuel Thomas Johnston, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD.44901 Issued in AL

Practice address

833 Princeton Avenue SW
Professional Office Building 3, Suite 200-E
Birmingham, AL 35211

Phone

(205) 971-5745

NPI assigned

Apr 13, 2021

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 AL

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

Hospitalist

Education

University of Alabama School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oak Mountain Group Services, LLCGroup PAC ID 3678886256, 62 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grandview Medical Center Hospital, Birmingham, AL, CCN 010104

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4

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.

• Oak Mountain Group Services, LLC

  • Hospitalist Physician
  • Birmingham, AL
  • NPI 1366840761
  Medicare reassignment Care Compare group NPD
• Oak Mountain Group Services, LLC

  • Physical Medicine & Rehabilitation Physician
  • Vestavia Hills, AL
  • NPI 1609321165
  NPD

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

• Affinity Hospital LLC

  • General Acute Care Hospital
  • Birmingham, AL
  • NPI 1023061405
  Care Compare affiliation

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

{
    "created_epoch": "1618272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1073193124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "540 56TH ST S",
            "city": "BIRMINGHAM",
            "state": "AL",
            "postal_code": "352123620",
            "telephone_number": "205-747-9544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "833 PRINCETON AVENUE SW",
            "address_2": "PROFESSIONAL OFFICE BUILDING 3, SUITE 200-E",
            "city": "BIRMINGHAM",
            "state": "AL",
            "postal_code": "35211",
            "telephone_number": "205-971-5745"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "SAMUEL",
        "middle_name": "THOMAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-13",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AL",
            "license": "MD.44901",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeremy Johnston
• Jessica Janette Johnston, D.D.S.
• Jordan Ames Johnston
• Kristen C Johnston, CRNP
• Rebecca Johnston, CRNA
• Sarah Ann Johnston, CRNP
• Sarah Ann Johnston, CRNP
• Shelby Lee Johnston, DC
• Sommerville Johnston, LMHC
• Virginia F Johnston, ATC

• Internal Medicine Physician in Birmingham, AL
• Providers in Birmingham, AL by specialty
• Internal Medicine Physician in Alabama

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 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.