Quick answers
- Which hospitals does Jay A. Gaddy work at?
- Medicare's official clinician data lists Jay A. Gaddy at 3 hospitals: Ascension St Vincent Carmel, Ascension St Vincent Hospital and St Vincent Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jay A. Gaddy see patients?
- Medicare's clinician data lists 1 practice location in Indianapolis, IN. Call before your visit to confirm the address.
- What is Jay A. Gaddy's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Jay A. Gaddy accept Medicare assignment?
- Yes. Medicare's clinician data says Jay A. Gaddy 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.
- What is the phone number for Jay A. Gaddy?
- (317) 871-0000, as listed in official Medicare / NPI Registry data.
- What is Jay A. Gaddy's NPI number?
- 1124102918. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jay A. Gaddy works
Medicare's Facility Affiliation Data lists Jay A. Gaddy 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
- St Vincent Heart CenterCarmel, IN · Acute Care Hospital · CCN 150153
Practice locations
Addresses where Jay A. Gaddy is enrolled with Medicare (CMS data updated 2026-10-02).
- 8326 Naab RdIndianapolis, IN 46260 (317) 871‑0000
Group practices
Medicare enrollment lists Jay A. Gaddy as a member of these groups (CMS data updated 2026-10-02).
- Indiana Hemophilia and Thrombosis Center, Inc.21 clinicians in the group
- Innovative Hematology Inc19 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124102918 |
| 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