Quick answers
- Which hospitals does Gunnar E. Johnson work at?
- Medicare's official clinician data lists Gunnar E. Johnson at 2 hospitals: Dominican Hospital and Washington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gunnar E. Johnson see patients?
- Medicare's clinician data lists 5 practice locations, including San Jose, CA, Menlo Park, CA and Campbell, CA. Call before your visit to confirm the address.
- What is Gunnar E. Johnson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Gunnar E. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Gunnar E. Johnson 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 Gunnar E. Johnson?
- (408) 533-0345, as listed in official Medicare / NPI Registry data.
- What is Gunnar E. Johnson's NPI number?
- 1770251993. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gunnar E. Johnson works
Medicare's Facility Affiliation Data lists Gunnar E. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Dominican HospitalSanta Cruz, CA · Acute Care Hospital · CCN 050242
- Washington HospitalFremont, CA · Acute Care Hospital · CCN 050195
Practice locations
Addresses where Gunnar E. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1390 El Paseo De Saratoga, Suite 1390San Jose, CA 95130 (408) 533‑0345
- 1706 El Camino Real, Suite 101Menlo Park, CA 94027 (510) 818‑7230
- 1760 S Bascom Ave, Suite 140Campbell, CA 95008 (408) 214‑9732
- 2000 Mowry AveFremont, CA 94538 (510) 793‑6653
- 5120 Cherry Ave, Suite 20San Jose, CA 95118 (408) 780‑2532
Group practices
Medicare enrollment lists Gunnar E. Johnson as a member of these groups (CMS data updated 2026-10-02).
- Carbon Health Medical Group of California PC334 clinicians in the group
- Dearborn and Associates Institute for Joint Restoration9 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770251993 |
| 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