Quick answers
- Which hospitals does Erik M. Olson work at?
- Medicare's official clinician data lists Erik M. Olson at 4 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities, French Hospital Medical Center and Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erik M. Olson see patients?
- Medicare's clinician data lists 3 practice locations, including Arroyo Grande, CA, Templeton, CA and San Luis Obispo, CA. Call before your visit to confirm the address.
- What is Erik M. Olson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Erik M. Olson accept Medicare assignment?
- Yes. Medicare's clinician data says Erik M. Olson 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 Erik M. Olson?
- (805) 395-3277, as listed in official Medicare / NPI Registry data.
- What is Erik M. Olson's NPI number?
- 1295701472. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erik M. Olson works
Medicare's Facility Affiliation Data lists Erik M. Olson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Sierra VistaSan Luis Obispo, CA · Acute Care Hospital · CCN 050506
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · CCN 050633
- French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · CCN 050232
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · CCN 050107
Practice locations
Addresses where Erik M. Olson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1154 E Grand AveArroyo Grande, CA 93420 (805) 395‑3277
- 262 Posada LnTempleton, CA 93465 (805) 434‑1491
- 77 Casa St, Suite 102San Luis Obispo, CA 93405 (805) 546‑7733
Group practices
Medicare enrollment lists Erik M. Olson as a member of these groups (CMS data updated 2026-10-02).
- Adventist Health Physicians Network628 clinicians in the group
- Radiology Associates of San Luis Obispo a Medical Group Inc59 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Arroyo Grande
Clinicians with the same Medicare primary specialty in Arroyo Grande, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295701472 |
| 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