Andrew Walker, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

56872 Issued in TN

Practice address

4230 Harding Pike Ste 435
Nashville, TN 37205-4900

Phone

(615) 385-3704

Fax

(615) 292-1321

NPI assigned

Jun 2, 2015

Sex

Male

Sole proprietor

Yes

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 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

Anesthesiology

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Columbia Anesthesia Services LLCGroup PAC ID 7315411907, 33 clinicians

Cardiovascular Anesthesiologists PCGroup PAC ID 4688571045, 142 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Maury Regional Hospital Hospital, Columbia, TN, CCN 440073
• Southern Tennessee Regional Health System Lawrence Hospital, Lawrenceburg, TN, CCN 440175

Merit-based Incentive Payment System (MIPS)

Final score

85.75 of 100Reported as group

Quality

83.24

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Cardiovascular Anesthesiologists PC

  • Critical Care Medicine (Anesthesiology) Physician
  • Nashville, TN
  • NPI 1912953381
  Medicare reassignment Care Compare group NPD
• Medical Anesthesia Group, PA

  • Anesthesiology Physician
  • Memphis, TN
  • NPI 1679527501
  Medicare reassignment

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

• Crockett Hospital LLC

  • Rural Acute Care Hospital
  • Lawrenceburg, TN
  • NPI 1114003175
  Care Compare affiliation
• Maury Regional Hospital

  • Clinic/Center
  • Hohenwald, TN
  • NPI 1023038122

  Hospital

  Care Compare affiliation
• Maury Regional Hospital

  • General Acute Care Hospital
  • Columbia, TN
  • NPI 1861479545
  Care Compare affiliation

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

{
    "created_epoch": "1433203200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1629458906",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4230 HARDING PIKE STE 435",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372054900",
            "telephone_number": "615-385-3704",
            "fax_number": "615-292-1321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4230 HARDING PIKE STE 435",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372054900",
            "telephone_number": "615-385-3704",
            "fax_number": "615-292-1321"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1265 Union Ave",
            "address_purpose": "LOCATION",
            "city": "Memphis",
            "state": "TN",
            "postal_code": "381043415",
            "country_code": "US",
            "telephone_number": "901-725-5846",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "ANDREW",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-06-02",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TN",
            "license": "56872",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Walker Run Physical Therapy LLC
• Fairen Walker-McCarter, M.D.
• Aiesha Denise Walker, M.A.
• Allison Walker, AG-ACNP
• Allison Walker
• Arielle Walker
• Bailey Shannon Walker, APRN
• Benjamin William Walker, PA-C
• Brandy Michelle Walker, LMFT(TEMP)
• Caroline Walker

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.