Quick answers
- Where does Martin Wareham see patients?
- Medicare's clinician data lists 3 practice locations, including Simi Valley, CA and Thousand Oaks, CA. Call before your visit to confirm the address.
- What is Martin Wareham's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Martin Wareham accept Medicare assignment?
- Yes. Medicare's clinician data says Martin Wareham 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 Martin Wareham?
- (805) 527-7320, as listed in official Medicare / NPI Registry data.
- What is Martin Wareham's NPI number?
- 1912914359. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Martin Wareham is enrolled with Medicare (CMS data updated 2026-10-02).
- 2876 Sycamore Dr, Suite 303Simi Valley, CA 93065 (805) 527‑7320
- 299 W Hillcrest Dr, Suite 100Thousand Oaks, CA 91360 (805) 379‑9646
- 301 S Moorpark RdThousand Oaks, CA 91361 (805) 379‑9646
Group practices
Medicare enrollment lists Martin Wareham as a member of these groups (CMS data updated 2026-10-02).
- Bass Medical Group291 clinicians in the group
- West Coast Ear, Nose and Throat7 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 | Loma Linda University School Of Medicine |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912914359 |
| 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
- 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