NPPES file of Aug 9, 2026

John M. Walker, M.D.

Family Medicine Physician · Franklin, IN

John M. Walker, M.D. is a family medicine physician with a practice address in Franklin, Indiana, and NPI 1720021769, issued on Jun 14, 2006. Check the license (Indiana 01040526, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720021769
Name
John M. Walker
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
01040526 IN
Self-reported in NPPES; status is on the state search
Practice location
990 E State Road 44, Franklin, IN 46131
Phone
(317) 736-8474
Enumerated
Jun 14, 2006
Record last updated
Aug 5, 2026
Fax
(317) 736-6040
Medicaid ID
100333850B IN
Medicare enrollment
Enrolled (PECOS I20100927000341); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 990 E State Road 44

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ronald Bennett, M.D.Internal Medicine Physician1740284470
  2. George Cornett, M.D.Internal Medicine Physician1902808199
  3. Lena GrunlohPhysician Assistant1992196448
  4. John GudemanPhysician Assistant1285471748
  5. Elisha Hart, PAPhysician Assistant1356509160
  6. Tabitha Johnson, NPNurse Practitioner1336299221

Verify John M. Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01040526
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,444 Medicare Part D claims for 548 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 679 claims were for opioids.

  1. John Walker8,444
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium483 claims
  2. Hydrocodone-Acetaminophen386 claims
  3. Levothyroxine Sodium308 claims
  4. Amlodipine Besylate271 claims
  5. Irbesartan234 claims
  6. Gabapentin226 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $30.86

2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Walker$30.86
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. American Health Network OF Indiana LLCTrafalgar, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John M. Walker among 3,506 family medicine physician records in Indiana

John M. Walker, M.D. is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.

  • NPI issued2006 · 19% of these records are older, 46% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2005 among the 2,196 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family medicine physician records list a practice address in Franklin

They are 15 of the 571 NPPES records with a practice address in Franklin, and 3,506 family medicine physician records in Indiana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Anne Comstock, MDFranklin, IN 461311902974926
  2. David Dunkle, MDFranklin, IN 461311053468041
  3. Anthony Gannon, MDFranklin, IN 461311134206634
  4. Derrick Hasenour, MDFranklin, IN 461311295997450
  5. Robert Kavelman, MDFranklin, IN 461311225050685
  6. Peggy Kovach, MDFranklin, IN 461311669559175
  7. Joy OdetaFranklin, IN 461311447409255
  8. James Pease, MDFranklin, IN 461311811074321

Common questions

What is John M. Walker, M.D.'s NPI number?

John M. Walker, M.D.'s National Provider Identifier (NPI) is 1720021769, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John M. Walker, M.D. located?

The NPPES record lists a practice address at 990 E State Road 44, Franklin, IN, 46131. Phone: (317) 736-8474. Providers update this record themselves, so call before visiting.

How can I verify John M. Walker, M.D.'s license?

NPPES lists Indiana license number 01040526, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John M. Walker, M.D. prescribe under Medicare Part D?

In 2024, John M. Walker, M.D. had 8,444 Medicare Part D claims for 548 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.