Quick answers
- Which hospitals does Mark B. Lyon work at?
- Medicare's official clinician data lists Mark B. Lyon at 2 hospitals: PeaceHealth Cottage Grove Community Medical Center and Sacred Heart Medical Center - Riverbend. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark B. Lyon see patients?
- Medicare's clinician data lists 5 practice locations, including Eugene, OR and Springfield, OR. Call before your visit to confirm the address.
- What is Mark B. Lyon's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark B. Lyon accept Medicare assignment?
- Yes. Medicare's clinician data says Mark B. Lyon 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.
- Does Mark B. Lyon offer telehealth?
- Medicare's clinician data says Mark B. Lyon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark B. Lyon?
- (541) 342-3338, as listed in official Medicare / NPI Registry data.
- What is Mark B. Lyon's NPI number?
- 1447227434. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark B. Lyon works
Medicare's Facility Affiliation Data lists Mark B. Lyon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PeaceHealth Cottage Grove Community Medical CenterCottage Grove, OR · Critical Access Hospital · CCN 381301
- Sacred Heart Medical Center - RiverbendSpringfield, OR · Acute Care Hospital · CCN 380102
Practice locations
Addresses where Mark B. Lyon is enrolled with Medicare (CMS data updated 2026-10-02).
- 3299 Hilyard StEugene, OR 97405 (541) 342‑3338
- 3333 Riverbend DrSpringfield, OR 97477 (541) 222‑6000
- 3355 Riverbend Dr, Suite 400Springfield, OR 97477 (541) 222‑2402
- 3377 Riverbend DrSpringfield, OR 97477 (541) 222‑6000
- 4010 Aerial WayEugene, OR 97402
Group practices
Medicare enrollment lists Mark B. Lyon as a member of this group (CMS data updated 2026-10-02).
- PeaceHealth Medical Group255 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Eugene
Clinicians with the same Medicare primary specialty in Eugene, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447227434 |
| 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