Quick answers
- Which hospitals does Thien V. Cai work at?
- Medicare's official clinician data lists Thien V. Cai at 1 hospital: Mount Auburn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thien V. Cai see patients?
- Medicare's clinician data lists 2 practice locations, including Arlington, MA and Watertown, MA. Call before your visit to confirm the address.
- What is Thien V. Cai's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Thien V. Cai accept Medicare assignment?
- Yes. Medicare's clinician data says Thien V. Cai 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 Thien V. Cai?
- (781) 648-4572, as listed in official Medicare / NPI Registry data.
- What is Thien V. Cai's NPI number?
- 1134530447. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thien V. Cai works
Medicare's Facility Affiliation Data lists Thien V. Cai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
Practice locations
Addresses where Thien V. Cai is enrolled with Medicare (CMS data updated 2026-10-02).
- 1398 Massachusetts AveArlington, MA 02476 (781) 648‑4572
- 376 Arsenal StWatertown, MA 02472 (617) 923‑2273
Group practices
Medicare enrollment lists Thien V. Cai as a member of this group (CMS data updated 2026-10-02).
- DRX UC Watertown PC12 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Arlington
Clinicians with the same Medicare primary specialty in Arlington, MA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134530447 |
| 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