Quick answers
- Which hospitals does Ross Greenstein work at?
- Medicare's official clinician data lists Ross Greenstein at 2 hospitals: 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 Ross Greenstein see patients?
- Medicare's clinician data lists 7 practice locations, including Carmel, IN, Indianapolis, IN and Elkhart, IN. Call before your visit to confirm the address.
- What is Ross Greenstein's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Ross Greenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Ross Greenstein 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 Ross Greenstein?
- (317) 583-5000, as listed in official Medicare / NPI Registry data.
- What is Ross Greenstein's NPI number?
- 1598772071. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ross Greenstein works
Medicare's Facility Affiliation Data lists Ross Greenstein 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 HospitalIndianapolis, IN · Acute Care Hospital · CCN 150084
- St Vincent Heart CenterCarmel, IN · Acute Care Hospital · CCN 150153
Practice locations
Addresses where Ross Greenstein is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 10580 N Meridian StCarmel, IN 46290 (317) 583‑5000
- 10590 N Meridian StCarmel, IN 46290
- 2001 W 86th StIndianapolis, IN 46260 (317) 338‑2345
- 600 E BlvdElkhart, IN 46514
- 600 E Blvd 4th Fl Hospitalists, Bmg Hospital SpecialtiesElkhart, IN 46514 (574) 647‑3050
Group practices
Medicare enrollment lists Ross Greenstein as a member of these groups (CMS data updated 2026-10-02).
- St Vincent Medical Group Inc736 clinicians in the group
- Beacon Medical Group Inc589 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Carmel
Clinicians with the same Medicare primary specialty in Carmel, IN — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598772071 |
| 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