Quick answers
- Which hospitals does Robert Pettis work at?
- Medicare's official clinician data lists Robert Pettis at 4 hospitals: Adventist Health Mendocino Coast, Billings Clinic Hospital, Hoag Memorial Hospital Presbyterian and Mahaska Health Partnership. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Pettis see patients?
- Medicare's clinician data lists 3 practice locations, including Fort Bragg, CA and Irvine, CA. Call before your visit to confirm the address.
- What is Robert Pettis's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Robert Pettis accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Pettis 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 Robert Pettis?
- (949) 715-0500, as listed in official Medicare / NPI Registry data.
- What is Robert Pettis's NPI number?
- 1427082346. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Pettis works
Medicare's Facility Affiliation Data lists Robert Pettis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Mendocino CoastFort Bragg, CA · Critical Access Hospital · CCN 051325
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Mahaska Health PartnershipOskaloosa, IA · Critical Access Hospital · CCN 161379
Practice locations
Addresses where Robert Pettis is enrolled with Medicare (CMS data updated 2026-10-02).
- 155 Cypress St, Suite BFort Bragg, CA 95437 (949) 715‑0500
- 16100 Sand Canyon Ave, Suite 230Irvine, CA 92618 (949) 715‑0500
- 700 River DrFort Bragg, CA 95437 (707) 961‑1234
Group practices
Medicare enrollment lists Robert Pettis as a member of these groups (CMS data updated 2026-10-02).
- Adventist Health Mendocino Coast56 clinicians in the group
- Orange Coast Head and Neck Surgery3 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427082346 |
| 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