William F Alexander, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD0000018809 Issued in TN

Practice address

1916 Patterson St Ste 203
Nashville, TN 37203-2191

Phone

(615) 327-7835

Fax

(615) 321-4146

NPI assigned

Feb 2, 2006

Last updated

Oct 1, 2026By 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 1

Addresses

Other identifiers 4

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in TN

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

Gastroenterology

Education

University of North Carolina at Chapel Hill School of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advanced Diagnostic Imaging PCGroup PAC ID 7315848140, 523 clinicians

Ut Regional One Physicians IncGroup PAC ID 5698993418, 314 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension Saint Thomas Hospital Hospital, Nashville, TN, CCN 440082
• Livingston Regional Hospital Hospital, Livingston, TN, CCN 440187
• Saint Thomas River Park Hospital Hospital, McMinnville, TN, CCN 440151
• Regional One Health Hospital, Memphis, TN, CCN 440152

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/10383/brand/1/csg/1/fhir/r4
• Direct secure messaging: william.alexander@ahp.eclinicaldirectplus.com

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.

• Advanced Diagnostic Imaging, PC

  dba AdvancedHealth

  • Internal Medicine Physician
  • Goodlettsville, TN
  • NPI 1093741464

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Ut Regional One Physicians Inc

  • Surgery Physician
  • Memphis, TN
  • NPI 1093130585
  Medicare reassignment Care Compare group NPD
• Cookeville Regional Medical Group, Inc

  • Multi-Specialty Clinic/Center
  • Cookeville, TN
  • NPI 1649202102
  Medicare reassignment NPD
• Saint Thomas Medical Partners

  dba Ascension Medical Group Saint Thomas

  • Internal Medicine Physician
  • Nashville, TN
  • NPI 1437194669

  Gastroenterology

  Medicare reassignment NPD
• Sumner Physician Practices LLC

  dba HighPoint Endocrinology Associates

  • Endocrinology, Diabetes & Metabolism Physician
  • Gallatin, TN
  • NPI 1720572209
  Medicare reassignment NPD
• Nashville Gastro Consulting PLLC

  • Gastroenterology Physician
  • Nashville, TN
  • NPI 1932349586
  Authorized official Same address or phone
• Advanced Diagnostic Imaging PC

  dba Ankle and Foot Centers of Nashville

  • Durable Medical Equipment & Medical Supplies
  • Lewisburg, TN
  • NPI 1922846559
  NPD
• Sumner Physician Practices LLC

  dba HighPoint Health Partners Gastroenterology / Liver Disease

  • Gastroenterology Physician
  • Gallatin, TN
  • NPI 1457745317
  NPD
• Sumner Physician Practices, LLC

  dba Highpoint Cardiology with Ascension Saint Thomas Heart

  • Interventional Cardiology Physician
  • Gallatin, TN
  • NPI 1417782194
  NPD
• Ut Regional One Physicians Inc

  • Anesthesiology Physician
  • Memphis, TN
  • NPI 1285042028
  NPD
• The Endoscopy Center of Centennial LP

  dba Endoscopy Center of Centennial

  • Ambulatory Surgical Clinic/Center
  • Nashville, TN
  • NPI 1972582088
  NPD (past)

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

• Livingston Regional Hospital LLC

  dba Livingston Regional Hospital

  • Rural Acute Care Hospital
  • Livingston, TN
  • NPI 1396760542
  Care Compare affiliation
• Saint Thomas River Park Hospital, LLC

  dba Ascension Saint Thomas River Park

  • General Acute Care Hospital
  • McMinnville, TN
  • NPI 1518346469
  Care Compare affiliation
• Saint Thomas River Park Hospital, LLC

  dba Ascension Saint Thomas River Park

  • Ambulatory Surgical Clinic/Center
  • McMinnville, TN
  • NPI 1558742304

  Hospital

  Care Compare affiliation
• Saint Thomas West Hospital

  dba Ascension Saint Thomas Hospital

  • General Acute Care Hospital
  • Nashville, TN
  • NPI 1629025648
  Care Compare affiliation
• Shelby County Health Care Corporation

  dba Regional One Health

  • General Acute Care Hospital
  • Memphis, TN
  • NPI 1144213117
  Care Compare affiliation

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

{
    "created_epoch": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790812800000",
    "number": "1609848738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3024 BUSINESS PARK CIR",
            "city": "GOODLETTSVILLE",
            "state": "TN",
            "postal_code": "370723132",
            "telephone_number": "615-851-6033",
            "fax_number": "615-851-2018"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1916 PATTERSON ST STE 203",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372032191",
            "telephone_number": "615-327-7835",
            "fax_number": "615-321-4146"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1559 Sparta St Ste 303",
            "address_purpose": "LOCATION",
            "city": "McMinnville",
            "state": "TN",
            "postal_code": "371101316",
            "country_code": "US",
            "telephone_number": "615-327-7835",
            "fax_number": "615-321-4146",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "315 Oak St",
            "address_purpose": "LOCATION",
            "city": "Livingston",
            "state": "TN",
            "postal_code": "385701728",
            "country_code": "US",
            "telephone_number": "615-327-7835",
            "fax_number": "615-321-4146",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALEXANDER",
        "first_name": "WILLIAM",
        "middle_name": "F",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-02",
        "last_updated": "2026-10-01",
        "certification_date": "2026-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TN",
            "license": "MD0000018809",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3034431",
            "state": "TN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS TN",
            "identifier": "6034412",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3034434",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64913668",
            "state": "KY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "walexander@tjsamson.direct-ci.net",
            "affiliation": "N",
            "address_1": "1301 N Race St",
            "city": "Glasgow",
            "state": "KY",
            "country_code": "US",
            "postal_code": "421413483",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Nicholas Alexander, MD
• Noelle Wanda Alexander, LCSW
• Paul Crayton Alexander, M. D.
• Robin Logan Alexander, OT
• Seth McKenzie Alexander, MD EDM
• Renata Alexandre, NP-C
• Annette Michelle Alexandrea, APRN
• Laverne Alexcee
• David D Alfery, M.D.
• Mason Nicholas Alford-Holloway

• Gastroenterology Physician in Nashville, TN
• Providers in Nashville, TN by specialty
• Gastroenterology Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 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.