Quick answers
- Which hospitals does Loan N. Tran work at?
- Medicare's official clinician data lists Loan N. Tran at 5 hospitals: Adventist Health St Helena, Alta Bates Summit Medical Center, Alta Bates Summit Medical Center - Alta Bates Camp…, Highland Hospital and NorthBay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Loan N. Tran see patients?
- Medicare's clinician data lists 4 practice locations, including Saint Helena, CA, Vacaville, CA and San Francisco, CA. Call before your visit to confirm the address.
- What is Loan N. Tran's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Loan N. Tran accept Medicare assignment?
- Yes. Medicare's clinician data says Loan N. Tran 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 Loan N. Tran offer telehealth?
- Medicare's clinician data says Loan N. Tran offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Loan N. Tran?
- (707) 963-3611, as listed in official Medicare / NPI Registry data.
- What is Loan N. Tran's NPI number?
- 1043292410. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Loan N. Tran works
Medicare's Facility Affiliation Data lists Loan N. Tran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health St HelenaSaint Helena, CA · Acute Care Hospital · CCN 050013
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
- Highland HospitalOakland, CA · Acute Care Hospital · CCN 050320
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · CCN 050367
Practice locations
Addresses where Loan N. Tran is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Woodland RdSaint Helena, CA 94574 (707) 963‑3611
- 1020 Nut Tree Rd, Suite 190Vacaville, CA 95687 (707) 624‑8100
- 450 Stanyan StSan Francisco, CA 94117 (415) 750‑2906
- 6 Woodland Rd, Suite 202Saint Helena, CA 94574 (707) 968‑0670
Group practices
Medicare enrollment lists Loan N. Tran as a member of these groups (CMS data updated 2026-10-02).
- NorthBay Physicians Surgery Center, LLC324 clinicians in the group
- St. Helena Hospital84 clinicians in the group
- Northern California Radiation Therapists and Oncologists Medical Group8 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Saint Helena
Clinicians with the same Medicare primary specialty in Saint Helena, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043292410 |
| 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