Quick answers
- Which hospitals does Omar Viramontes work at?
- Medicare's official clinician data lists Omar Viramontes at 2 hospitals: 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 Omar Viramontes see patients?
- Medicare's clinician data lists 1 practice location in Santa Maria, CA. Call before your visit to confirm the address.
- What is Omar Viramontes's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
- Does Omar Viramontes accept Medicare assignment?
- Yes. Medicare's clinician data says Omar Viramontes 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 Omar Viramontes?
- (805) 922-6581, as listed in official Medicare / NPI Registry data.
- What is Omar Viramontes's NPI number?
- 1801356126. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Omar Viramontes works
Medicare's Facility Affiliation Data lists Omar Viramontes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- 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 Omar Viramontes is enrolled with Medicare (CMS data updated 2026-10-02).
- 361 Town Ctr WSanta Maria, CA 93458 (805) 922‑6581
Group practices
Medicare enrollment lists Omar Viramontes as a member of this group (CMS data updated 2026-10-02).
- Santa Maria Gastroenterology Medical Group Inc.22 clinicians in the group
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in Santa Maria
Clinicians with the same Medicare primary specialty in Santa Maria, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801356126 |
| 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