Quick answers
- Which hospitals does Lester C. Ong work at?
- Medicare's official clinician data lists Lester C. Ong at 2 hospitals: Lake Granbury Medical Center and Texas Health Harris Methodist Hospital Stephenvill…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lester C. Ong see patients?
- Medicare's clinician data lists 4 practice locations, including Stephenville, TX, N Richland Hills, TX and Weatherford, TX. Call before your visit to confirm the address.
- What is Lester C. Ong's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lester C. Ong accept Medicare assignment?
- Yes. Medicare's clinician data says Lester C. Ong 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 Lester C. Ong?
- (254) 968-6051, as listed in official Medicare / NPI Registry data.
- What is Lester C. Ong's NPI number?
- 1255337119. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lester C. Ong works
Medicare's Facility Affiliation Data lists Lester C. Ong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lake Granbury Medical CenterGranbury, TX · Acute Care Hospital · CCN 450596
- Texas Health Harris Methodist Hospital Stephenvill…Stephenville, TX · Acute Care Hospital · CCN 450351
Practice locations
Addresses where Lester C. Ong is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 River N Blvd, Privia Medical Group North TexasStephenville, TX 76401 (254) 968‑6051
- 160 River N Blvd, Privia Medical Group North TexasStephenville, TX 76401 (254) 968‑6051
- 6700 Buenos Aires DrN Richland Hills, TX 76180 (817) 281‑8245
- 920 Santa Fe Dr, Suite 103Weatherford, TX 76086 (817) 339‑8855
Group practices
Medicare enrollment lists Lester C. Ong as a member of this group (CMS data updated 2026-10-02).
- Texas Health Care PLLC371 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Stephenville
Clinicians with the same Medicare primary specialty in Stephenville, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255337119 |
| 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