Quick answers
- Which hospitals does Susan C. Ahern work at?
- Medicare's official clinician data lists Susan C. Ahern at 3 hospitals: Ronald Reagan UCLA Medical Center, St Johns Regional Medical Center and UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Susan C. Ahern see patients?
- Medicare's clinician data lists 1 practice location in Ventura, CA. Call before your visit to confirm the address.
- What is Susan C. Ahern's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
- Does Susan C. Ahern accept Medicare assignment?
- Yes. Medicare's clinician data says Susan C. Ahern 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 Susan C. Ahern offer telehealth?
- Medicare's clinician data says Susan C. Ahern offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Susan C. Ahern?
- (805) 642-8252, as listed in official Medicare / NPI Registry data.
- What is Susan C. Ahern's NPI number?
- 1508156597. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Susan C. Ahern works
Medicare's Facility Affiliation Data lists Susan C. Ahern at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · CCN 050481
Practice locations
Addresses where Susan C. Ahern is enrolled with Medicare (CMS data updated 2026-10-02).
- 6633 Telephone Rd, Suite 200Ventura, CA 93003 (805) 642‑8252
Group practices
Medicare enrollment lists Susan C. Ahern as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Internal Medicineprimary
- Endocrinologyalso
Other internal medicine doctors in Ventura
Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Western University Of Health Sciences College Of Dental Med |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508156597 |
| 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