Quick answers
- Which hospitals does Peter H. Stier work at?
- Medicare's official clinician data lists Peter H. Stier at 2 hospitals: Ellis Hospital and St Peter's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter H. Stier see patients?
- Medicare's clinician data lists 1 practice location in Schenectady, NY. Call before your visit to confirm the address.
- What is Peter H. Stier's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Peter H. Stier accept Medicare assignment?
- Medicare's clinician data says Peter H. Stier may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Peter H. Stier offer telehealth?
- Medicare's clinician data says Peter H. Stier offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter H. Stier?
- (518) 374-9153, as listed in official Medicare / NPI Registry data.
- What is Peter H. Stier's NPI number?
- 1790706216. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter H. Stier works
Medicare's Facility Affiliation Data lists Peter H. Stier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ellis HospitalSchenectady, NY · Acute Care Hospital · CCN 330153
- St Peter's HospitalAlbany, NY · Acute Care Hospital · CCN 330057
Practice locations
Addresses where Peter H. Stier is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 McClellan StSchenectady, NY 12304 (518) 374‑9153
Group practices
Medicare enrollment lists Peter H. Stier as a member of this group (CMS data updated 2026-10-02).
- Mondragon McGrinder Medical Associates PLLC5 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Schenectady
Clinicians with the same Medicare primary specialty in Schenectady, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790706216 |
| 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