Quick answers
- Which hospitals does Mitchell A. Pfeiffer work at?
- Medicare's official clinician data lists Mitchell A. Pfeiffer at 5 hospitals: Ascension St Vincent Carmel, Ascension St Vincent Fishers, Ascension St Vincent Hospital, Hendricks Regional Health and Indiana University Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mitchell A. Pfeiffer see patients?
- Medicare's clinician data lists 6 practice locations, including Fishers, IN and Indianapolis, IN. Call before your visit to confirm the address.
- What is Mitchell A. Pfeiffer's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Internal Medicine and Pulmonary Disease.
- Does Mitchell A. Pfeiffer accept Medicare assignment?
- Yes. Medicare's clinician data says Mitchell A. Pfeiffer 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 Mitchell A. Pfeiffer?
- (317) 338-2345, as listed in official Medicare / NPI Registry data.
- What is Mitchell A. Pfeiffer's NPI number?
- 1366437634. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mitchell A. Pfeiffer works
Medicare's Facility Affiliation Data lists Mitchell A. Pfeiffer 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
- Hendricks Regional HealthDanville, IN · Acute Care Hospital · CCN 150005
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
Practice locations
Addresses where Mitchell A. Pfeiffer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 13914 Southeastern PkwyFishers, IN 46037
- 2001 W 86th StIndianapolis, IN 46260 (317) 338‑2345
- 250 W 96th St, Suite 520Indianapolis, IN 46260
- 8050 Township Line RdIndianapolis, IN 46260 (317) 415‑8500
- 8333 Naab RdIndianapolis, IN 46260
Group practices
Medicare enrollment lists Mitchell A. Pfeiffer as a member of this group (CMS data updated 2026-10-02).
- St Vincent Medical Group Inc736 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Indiana →
Other critical care doctors in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366437634 |
| 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