Quick answers
- Which hospitals does Michael J. Feffer work at?
- Medicare's official clinician data lists Michael J. Feffer at 1 hospital: Mount Nittany Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Feffer see patients?
- Medicare's clinician data lists 2 practice locations, including State College, PA. Call before your visit to confirm the address.
- What is Michael J. Feffer's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Michael J. Feffer accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Feffer 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 Michael J. Feffer?
- (814) 231-7000, as listed in official Medicare / NPI Registry data.
- What is Michael J. Feffer's NPI number?
- 1831114909. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Feffer works
Medicare's Facility Affiliation Data lists Michael J. Feffer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Nittany Medical CenterState College, PA · Acute Care Hospital · CCN 390268
Practice locations
Addresses where Michael J. Feffer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 E Park AveState College, PA 16803 (814) 231‑7000
- 1850 E Park AveState College, PA 16803 (814) 234‑6750
Group practices
Medicare enrollment lists Michael J. Feffer as a member of this group (CMS data updated 2026-10-02).
- Mount Nittany Medical Center48 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in State College
Clinicians with the same Medicare primary specialty in State College, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831114909 |
| 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