John M Walker, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

01040526 Issued in IN

Practice address

990 E State Road 44
Franklin, IN 46131-9199

Phone

(317) 736-8474

Fax

(317) 736-6040

NPI assigned

Jun 14, 2006

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 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN

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

Family Practice

Education

Indiana University School of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

American Health Network of Indiana LLCGroup PAC ID 9830093533, 204 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Franciscan VNS Home Care, Inc Home health agency, Beech Grove, IN, CCN 157008
• Indiana University Health Hospital, Indianapolis, IN, CCN 150056
• Johnson Memorial Hospital Hospital, Franklin, IN, CCN 150001
• Community Hospital South, Inc. Hospital, Indianapolis, IN, CCN 150128
• Franciscan Health Indianapolis Hospital, Indianapolis, IN, CCN 150162
• Iu Health West Hospital Hospital, Avon, IN, CCN 150158

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jwalker2@direct.iuhealth.org
• Direct secure messaging: jwalker211550@direct.optum.com
• Direct secure messaging: john.walkermd.p6@direct.ahni.nextgenshare.com

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.

• American Health Network of Indiana, LLC

  • Internal Medicine Physician
  • Indianapolis, IN
  • NPI 1831236272

  Family Medicine

  Medicare reassignment Care Compare group NPD
• American Health Network of Indiana LLC

  • Radiology Clinic/Center
  • New Albany, IN
  • NPI 1164304424
  NPD
• American Health Network of Indiana, LLC

  • Family Medicine Physician
  • Mulberry, IN
  • NPI 1033220017
  NPD (past)
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)
• Methodist Medical Group Physicians Inc

  • Family Medicine Physician
  • Indianapolis, IN
  • NPI 1285673616
  NPD (past)
• University Medical Diagnostic Associates, Inc.

  • Internal Medicine Physician
  • Indianapolis, IN
  • NPI 1861441537
  NPD (past)

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

• Indiana University Health West Hospital Inc

  • General Acute Care Hospital
  • Avon, IN
  • NPI 1063443455
  Care Compare affiliation Name & address match
• Community Hospital South, Inc.

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1235109778
  Care Compare affiliation
• Franciscan Health Indianapolis & Mooresville

  • General Acute Care Hospital
  • Carmel, IN
  • NPI 1376214981
  Care Compare affiliation
• Franciscan Health Indianapolis & Mooresville

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1386749893
  Care Compare affiliation
• Franciscan VNS Home Care, Inc.

  • Home Health Agency
  • Beech Grove, IN
  • NPI 1649276551
  Care Compare affiliation
• Indiana University Health Inc

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation
• Johnson Memorial Hospital

  • General Acute Care Hospital
  • Franklin, IN
  • NPI 1346248986
  Care Compare affiliation
• Johnson Memorial Hospital

  • Occupational Medicine Clinic/Center
  • Franklin, IN
  • NPI 1679577357

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1720021769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "106 S STATE ROAD 135 STE C",
            "city": "TRAFALGAR",
            "state": "IN",
            "postal_code": "461818702",
            "telephone_number": "317-878-4972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "990 E STATE ROAD 44",
            "city": "FRANKLIN",
            "state": "IN",
            "postal_code": "461319199",
            "telephone_number": "317-736-8474",
            "fax_number": "317-736-6040"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1155 W Jefferson St Ste 101",
            "address_purpose": "LOCATION",
            "city": "Franklin",
            "state": "IN",
            "postal_code": "461312731",
            "country_code": "US",
            "telephone_number": "317-736-6133",
            "fax_number": "317-736-6403",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3000 S State Road 135 Ste 200",
            "address_purpose": "LOCATION",
            "city": "Greenwood",
            "state": "IN",
            "postal_code": "461439829",
            "country_code": "US",
            "telephone_number": "317-535-1976",
            "fax_number": "317-535-5049",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "JOHN",
        "middle_name": "M",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IN",
            "license": "01040526",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100333850B",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "john.walkermd.p6@direct.ahni.nextgenshare.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "106 S State Road 135 Ste C",
            "city": "Trafalgar",
            "state": "IN",
            "country_code": "US",
            "postal_code": "461818702",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "john.walkermd.p6@direct.ahni.nextgenshare.com",
            "affiliation": "N",
            "endpointDescription": "direct",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "990 E State Road 44",
            "city": "Franklin",
            "state": "IN",
            "country_code": "US",
            "postal_code": "461319199",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Wal-Mart Stores East LP
• Wal-Mart Stores East, LP
• Walgreen Co
• Catherine Walker
• Grant C Walker, PA
• Haley Walsman
• Matthew Ryan Wanner, MD
• Devan Ward
• Porscha Dyanne Ward, NP
• Sonya Kay Ware-Meguiar, L.C.S.W.

• Family Medicine Physician in Franklin, IN
• Providers in Franklin, IN by specialty
• Family Medicine Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.