Quick answers
- Which hospitals does Peter Y. Hahn work at?
- Medicare's official clinician data lists Peter Y. Hahn at 4 hospitals: Good Shepherd Medical Center, Grande Ronde Hospital, Kadlec Regional Medical Center and St Anthony Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter Y. Hahn see patients?
- Medicare's clinician data lists 2 practice locations, including Hermiston, OR. Call before your visit to confirm the address.
- What is Peter Y. Hahn's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Sleep Medicine.
- Does Peter Y. Hahn accept Medicare assignment?
- Yes. Medicare's clinician data says Peter Y. Hahn 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 Peter Y. Hahn?
- (541) 667-3400, as listed in official Medicare / NPI Registry data.
- What is Peter Y. Hahn's NPI number?
- 1588642359. 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 Y. Hahn works
Medicare's Facility Affiliation Data lists Peter Y. Hahn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Shepherd Medical CenterHermiston, OR · Critical Access Hospital · CCN 381325
- Grande Ronde HospitalLa Grande, OR · Critical Access Hospital · CCN 381321
- Kadlec Regional Medical CenterRichland, WA · Acute Care Hospital · CCN 500058
- St Anthony HospitalPendleton, OR · Critical Access Hospital · CCN 381319
Practice locations
Addresses where Peter Y. Hahn is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 NW 11th St, Suite E37Hermiston, OR 97838 (541) 667‑3400
- 610 NW 11th StHermiston, OR 97838 (541) 667‑3400
Group practices
Medicare enrollment lists Peter Y. Hahn as a member of this group (CMS data updated 2026-10-02).
- Good Shepherd Health Care System136 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Sleep Medicinealso
Other pulmonologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588642359 |
| 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