Quick answers
- Which hospitals does Michael D. Duffin work at?
- Medicare's official clinician data lists Michael D. Duffin at 3 hospitals: Lake District Hospital, Modoc Medical Center and Sky Lakes Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael D. Duffin see patients?
- Medicare's clinician data lists 4 practice locations, including Klamath Falls, OR. Call before your visit to confirm the address.
- What is Michael D. Duffin's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Michael D. Duffin accept Medicare assignment?
- Yes. Medicare's clinician data says Michael D. Duffin 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 D. Duffin?
- (541) 274-6733, as listed in official Medicare / NPI Registry data.
- What is Michael D. Duffin's NPI number?
- 1578587309. 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 D. Duffin works
Medicare's Facility Affiliation Data lists Michael D. Duffin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lake District HospitalLakeview, OR · Critical Access Hospital · CCN 381309
- Modoc Medical CenterAlturas, CA · Critical Access Hospital · CCN 051330
- Sky Lakes Medical CenterKlamath Falls, OR · Acute Care Hospital · CCN 380050
Practice locations
Addresses where Michael D. Duffin is enrolled with Medicare (CMS data updated 2026-10-02).
- 2200 Bryant Williams DrKlamath Falls, OR 97601
- 2821 Daggett Ave, Suite 100Klamath Falls, OR 97601 (541) 274‑6733
- 2865 Daggett AveKlamath Falls, OR 97601 (541) 274‑6221
- 2865 Daggett Ave, Sky Lakes Medical CenterKlamath Falls, OR 97601
Group practices
Medicare enrollment lists Michael D. Duffin as a member of this group (CMS data updated 2026-10-02).
- Sky Lakes Medical Center Inc215 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578587309 |
| 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