Quick answers
- Which hospitals does Long Thao work at?
- Medicare's official clinician data lists Long Thao at 1 hospital: Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Long Thao see patients?
- Medicare's clinician data lists 1 practice location in Merced, CA. Call before your visit to confirm the address.
- What is Long Thao's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Long Thao accept Medicare assignment?
- Yes. Medicare's clinician data says Long Thao 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 Long Thao offer telehealth?
- Medicare's clinician data says Long Thao offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Long Thao?
- (209) 384-8426, as listed in official Medicare / NPI Registry data.
- What is Long Thao's NPI number?
- 1245341445. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Long Thao works
Medicare's Facility Affiliation Data lists Long Thao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical CenterMerced, CA · Acute Care Hospital · CCN 050444
Practice locations
Addresses where Long Thao is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 W Olive Ave, Suite HMerced, CA 95348 (209) 384‑8426
Specialties
- Family Practiceprimary
Other family doctors in Merced
Clinicians with the same Medicare primary specialty in Merced, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245341445 |
| 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