Quick answers
- Which hospitals does Gary M. Ayres work at?
- Medicare's official clinician data lists Gary M. Ayres at 5 hospitals: Ascension St Vincent Carmel, Ascension St Vincent Fishers, Ascension St Vincent Hospital, Indiana University Health and Riverview Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary M. Ayres see patients?
- Medicare's clinician data lists 2 practice locations, including Carmel, IN and Indianapolis, IN. Call before your visit to confirm the address.
- What is Gary M. Ayres's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gary M. Ayres accept Medicare assignment?
- Yes. Medicare's clinician data says Gary M. Ayres 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 Gary M. Ayres offer telehealth?
- Medicare's clinician data says Gary M. Ayres offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gary M. Ayres?
- (317) 582-8315, as listed in official Medicare / NPI Registry data.
- What is Gary M. Ayres's NPI number?
- 1962475574. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary M. Ayres works
Medicare's Facility Affiliation Data lists Gary M. Ayres 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 FishersFishers, IN · Acute Care Hospital · CCN 150181
- Ascension St Vincent HospitalIndianapolis, IN · Acute Care Hospital · CCN 150084
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
- Riverview HealthNoblesville, IN · Acute Care Hospital · CCN 150059
Practice locations
Addresses where Gary M. Ayres is enrolled with Medicare (CMS data updated 2026-10-02).
- 13450 N Meridian St, Suite 363Carmel, IN 46032 (317) 582‑8315
- 8433 Harcourt Rd, Suite 100Indianapolis, IN 46260 (317) 583‑7600
Group practices
Medicare enrollment lists Gary M. Ayres as a member of this group (CMS data updated 2026-10-02).
- St Vincent Medical Group Inc736 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Carmel
Clinicians with the same Medicare primary specialty in Carmel, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962475574 |
| 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