JOHN M WALKER M.D.
NPI 1720021769
Family Medicine in Franklin, IN
About John M Walker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN M WALKER M.D. (NPI 1720021769) is an individual family medicine provider in Franklin, Indiana, licensed in Indiana (01040526) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Johnson Memorial Hospital, and is a graduate of Indiana University School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John M Walker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johnson Memorial Hospital
Acute Care Hospitals · Franklin, INIndiana University Health
Acute Care Hospitals · Indianapolis, INCommunity Hospital South, Inc.
Acute Care Hospitals · Indianapolis, INIu Health West Hospital
Acute Care Hospitals · Avon, INFranciscan Health Indianapolis
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FRANKLIN, IN 46131
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Walker's NPI number?
The NPI number for John Walker is 1720021769. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is John Walker located?
John Walker practices at 990 E State Road 44, Franklin, IN 46131. The listed phone number is (317) 736-8474.
What is John Walker's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Walker enrolled in Medicare?
Yes. John Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does John Walker accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and UnitedHealthcare list John Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Walker affiliated with any hospitals?
According to CMS data, John Walker is affiliated with Johnson Memorial Hospital, Indiana University Health, Community Hospital South, Inc., Iu Health West Hospital and Franciscan Health Indianapolis.
When was this NPI record last updated?
The NPPES record for John Walker was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
