Quick answers
- Which hospitals does John Walton work at?
- Medicare's official clinician data lists John Walton at 5 hospitals: Ascension St Vincent Carmel, Ascension St Vincent Hospital, Hancock Regional Hospital, Henry County Memorial Hospital and Indiana University Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Walton see patients?
- Medicare's clinician data lists 2 practice locations, including Greenfield, IN and Indianapolis, IN. Call before your visit to confirm the address.
- What is John Walton's specialty?
- Medicare lists Urology as the primary specialty.
- Does John Walton accept Medicare assignment?
- Yes. Medicare's clinician data says John Walton accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John Walton offer telehealth?
- Medicare's clinician data says John Walton offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Walton?
- (317) 462-0700, as listed in official Medicare / NPI Registry data.
- What is John Walton's NPI number?
- 1417376534. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Walton works
Medicare's Facility Affiliation Data lists John Walton at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St Vincent CarmelCarmel, IN · Acute Care Hospital · CCN 150157
- Ascension St Vincent HospitalIndianapolis, IN · Acute Care Hospital · CCN 150084
- Hancock Regional HospitalGreenfield, IN · Acute Care Hospital · CCN 150037
- Henry County Memorial HospitalNew Castle, IN · Acute Care Hospital · CCN 150030
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
Practice locations
Addresses where John Walton is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Memorial Sq, Suite 225Greenfield, IN 46140 (317) 462‑0700
- 8240 Naab Rd, Suite 200Indianapolis, IN 46260 (317) 876‑2330
Group practices
Medicare enrollment lists John Walton as a member of this group (CMS data updated 2026-10-02).
- Urology of Indiana LLC80 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417376534 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians