Quick answers
- Which hospitals does Erin Hammett work at?
- Medicare's official clinician data lists Erin Hammett at 5 hospitals: Goleta Valley Cottage Hospital, Mammoth Hospital, Northern Inyo Hospital, Santa Barbara Cottage Hospital and Santa Ynez Valley Cottage Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erin Hammett see patients?
- Medicare's clinician data lists 9 practice locations, including Chula Vista, CA, Santa Barbara, CA and El Cajon, CA. Call before your visit to confirm the address.
- What is Erin Hammett's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Erin Hammett accept Medicare assignment?
- Yes. Medicare's clinician data says Erin Hammett 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 Erin Hammett?
- (619) 662-4100, as listed in official Medicare / NPI Registry data.
- What is Erin Hammett's NPI number?
- 1467884098. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erin Hammett works
Medicare's Facility Affiliation Data lists Erin Hammett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Goleta Valley Cottage HospitalSanta Barbara, CA · Acute Care Hospital · CCN 050357
- Mammoth HospitalMammoth Lakes, CA · Critical Access Hospital · CCN 051303
- Northern Inyo HospitalBishop, CA · Critical Access Hospital · CCN 051324
- Santa Barbara Cottage HospitalSanta Barbara, CA · Acute Care Hospital · CCN 050396
- Santa Ynez Valley Cottage HospitalSolvang, CA · Critical Access Hospital · CCN 051331
Practice locations
Addresses where Erin Hammett is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1637 3rd AveChula Vista, CA 91911 (619) 662‑4100
- 1637 3rd Ave, Suite BChula Vista, CA 91911 (619) 662‑4100
- 215 Pesetas LnSanta Barbara, CA 93110 (805) 681‑7800
- 317 W Pueblo StSanta Barbara, CA 93105 (805) 681‑7500
- 678 3rd AveChula Vista, CA 91910 (619) 662‑4100
Group practices
Medicare enrollment lists Erin Hammett as a member of these groups (CMS data updated 2026-10-02).
- Sansum Clinic320 clinicians in the group
- Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group
- Southern Mono Health Care District100 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chula Vista
Clinicians with the same Medicare primary specialty in Chula Vista, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467884098 |
| 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