Nathanael Young Johnston, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

MD.47901 Issued in AL

Practice address

1700 Center St
Mobile, AL 36604-3301

Phone

(251) 415-1343

Fax

(251) 415-1353

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 3

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

Internal Medicine

Education

Brody School of Medicine at East Carolina University, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Gmuc of SaralandGroup PAC ID 8820211436, 39 clinicians

Greater Mobile Urgent CareGroup PAC ID 1456429281, 50 clinicians

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.

• Gmuc of Saraland

  • Family Medicine Physician
  • Saraland, AL
  • NPI 1396161758
  Medicare reassignment Care Compare group NPD
• Greater Mobile Urgent Care

  • Family Medicine Physician
  • Mobile, AL
  • NPI 1801063938
  Medicare reassignment Care Compare group NPD
• Gmuc of Citronelle LLC

  • Family Medicine Physician
  • Citronelle, AL
  • NPI 1164794343
  Medicare reassignment NPD
• Gmuc of Springhill LLC

  • Family Medicine Physician
  • Mobile, AL
  • NPI 1952617508
  Medicare reassignment NPD
• Greater Mobile Urgent Care

  • Family Medicine Physician
  • Semmes, AL
  • NPI 1275848095
  NPD

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

{
    "created_epoch": "1648080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1073263026",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 746450",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303746450",
            "telephone_number": "866-401-3057",
            "fax_number": "318-868-6430"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1700 CENTER ST",
            "city": "MOBILE",
            "state": "AL",
            "postal_code": "366043301",
            "telephone_number": "251-415-1343",
            "fax_number": "251-415-1353"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "NATHANAEL",
        "middle_name": "YOUNG",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-24",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AL",
            "license": "MD.47901",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "AL",
            "license": "MD.47901",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "AL",
            "license": "MD.47901",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Donna Johnston, LPN
• Emmy Johnston, OTR/L
• Kaylee Johnston, PT, DPT
• Lisa Gail Johnston, CRNP
• Mary Carleton Johnston, MD
• Madeline Joiner
• Marcia Lozett Joiner, LPC
• Sarah Elizabeth Joiner, M.D.
• Joint Replacement Cin of Mobile LLC
• Dana Jolly, PHARM D

• Hospitalist Physician in Mobile, AL
• Providers in Mobile, AL by specialty
• Hospitalist Physician in Alabama

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.