Quick answers
- Which hospitals does Tracy J. Upton work at?
- Medicare's official clinician data lists Tracy J. Upton at 5 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities, Providence Little Company of Mary Medical Center Torrance, Sierra View Medical Center and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tracy J. Upton see patients?
- Medicare's clinician data lists 5 practice locations, including Long Beach, CA, San Pedro, CA and Ukiah, CA. Call before your visit to confirm the address.
- What is Tracy J. Upton's specialty?
- Medicare lists Undefined Physician Type (Specify) as the primary specialty, and also Hospitalist.
- Does Tracy J. Upton accept Medicare assignment?
- Yes. Medicare's clinician data says Tracy J. Upton 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 Tracy J. Upton?
- (562) 491-9469, as listed in official Medicare / NPI Registry data.
- What is Tracy J. Upton's NPI number?
- 1700271152. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tracy J. Upton works
Medicare's Facility Affiliation Data lists Tracy J. Upton at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Sierra VistaSan Luis Obispo, CA · Acute Care Hospital · CCN 050506
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · CCN 050633
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Sierra View Medical CenterPorterville, CA · Acute Care Hospital · CCN 050261
- St Mary Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050191
Practice locations
Addresses where Tracy J. Upton is enrolled with Medicare (CMS data updated 2026-10-02).
- 1050 Linden AveLong Beach, CA 90813 (562) 491‑9469
- 1300 W 7th StSan Pedro, CA 90732 (310) 303‑7496
- 275 Hospital DrUkiah, CA 95482 (707) 462‑3111
- 400 W Mineral King AveVisalia, CA 93291 (559) 624‑2000
- 4101 Torrance BlvdTorrance, CA 90503 (310) 303‑7496
Group practices
Medicare enrollment lists Tracy J. Upton as a member of these groups (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Providence Medical Institute288 clinicians in the group
- Central Valley Critical Care Medicine - A Professional Corporat33 clinicians in the group
- Socal Hospitalists30 clinicians in the group
Specialties
Find other Undefined Physician Type (Specify) doctors in California →
Other physicians in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700271152 |
| 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