William Kennedy Oelsner Jr., MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD.50778 Issued in AL

Practice address

1 Independence PLZ Ste 900
Homewood, AL 35209-2643

Phone

(205) 271-8000

NPI assigned

Apr 10, 2018

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

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

Gastroenterology

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Birmingham Gastroenterology Associates PCGroup PAC ID 9537107594, 52 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grandview Medical Center Hospital, Birmingham, AL, CCN 010104
• St Vincent'S Birmingham Hospital, Birmingham, AL, CCN 010056
• Walker Baptist Medical Center Hospital, Jasper, AL, CCN 010089

Procedures performed for Medicare patients

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.

• Birmingham Gastroenterology Associates PC

  • Gastroenterology Physician
  • Birmingham, AL
  • NPI 1366406514
  Medicare reassignment Care Compare group NPD
• Birmingham Gastroenterology Associates PC

  • Certified Registered Nurse Anesthetist
  • Birmingham, AL
  • NPI 1861926131
  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
• BBH WBMC, LLC

  • General Acute Care Hospital
  • Jasper, AL
  • NPI 1932553385
  Care Compare affiliation
• St. Vincent'S Birmingham

  • General Acute Care Hospital
  • Birmingham, AL
  • NPI 1841298999
  Care Compare affiliation

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

{
    "created_epoch": "1523318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1760989339",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "979 E 3RD ST STE C825",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374033357",
            "telephone_number": "423-778-4830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 INDEPENDENCE PLZ STE 900",
            "city": "HOMEWOOD",
            "state": "AL",
            "postal_code": "352092643",
            "telephone_number": "205-271-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OELSNER",
        "first_name": "WILLIAM",
        "middle_name": "KENNEDY",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-10",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "AL",
            "license": "MD.50778",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Morgan Ann Nguyen, CRNP
• Michaela Nolin, LICSW
• Northern Lights Chiropractic L.L.C.
• Nathan Nunnelee, D.M.D.
• Oak Haven Home Care LLC
• Rachel Olsen, RD
• One Way Out
• Opal Integrative Wellness, PLLC
• Open MRI on 280, LLC
• Over the Mountain Rehab, Inc

• Gastroenterology Physician in Homewood, AL
• Providers in Homewood, AL by specialty
• Gastroenterology Physician in Alabama

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 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.