Quick answers
- Which hospitals does Dennis Phan work at?
- Medicare's official clinician data lists Dennis Phan at 4 hospitals: Hazel Hawkins Memorial Hospital, Natividad Medical Center, Salinas Valley Health Medical Center and Santa Clara Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dennis Phan see patients?
- Medicare's clinician data lists 2 practice locations, including Hollister, CA and Salinas, CA. Call before your visit to confirm the address.
- What is Dennis Phan's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Dennis Phan accept Medicare assignment?
- Yes. Medicare's clinician data says Dennis Phan 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 Dennis Phan?
- (831) 755-7999, as listed in official Medicare / NPI Registry data.
- What is Dennis Phan's NPI number?
- 1437238342. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dennis Phan works
Medicare's Facility Affiliation Data lists Dennis Phan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospital · CCN 051337
- Natividad Medical CenterSalinas, CA · Acute Care Hospital · CCN 050248
- Salinas Valley Health Medical CenterSalinas, CA · Acute Care Hospital · CCN 050334
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · CCN 050038
Practice locations
Addresses where Dennis Phan is enrolled with Medicare (CMS data updated 2026-10-02).
- 911 Sunset DrHollister, CA 95023
- 917 Blanco CirSalinas, CA 93901 (831) 755‑7999
Group practices
Medicare enrollment lists Dennis Phan as a member of these groups (CMS data updated 2026-10-02).
- Hazel Hawkins Memorial Hospital52 clinicians in the group
- Central Coast Nephrology Medical Corporation12 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437238342 |
| 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