Quick answers
- Where does Thomas M. Castline see patients?
- Medicare's clinician data lists 1 practice location in Indianapolis, IN. Call before your visit to confirm the address.
- What is Thomas M. Castline's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Thomas M. Castline accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas M. Castline 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 Thomas M. Castline?
- (317) 802-2000, as listed in official Medicare / NPI Registry data.
- What is Thomas M. Castline's NPI number?
- 1427989904. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Thomas M. Castline is enrolled with Medicare (CMS data updated 2026-10-02).
- 8450 Northwest BlvdIndianapolis, IN 46278 (317) 802‑2000
Group practices
Medicare enrollment lists Thomas M. Castline as a member of this group (CMS data updated 2026-10-02).
- Orthopaedics-Indianapolis Inc371 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Clinician information
| Graduation year | 2026 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427989904 |
| 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
- 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