NPI age
20 years
Enumerated 2005-06-24
● Active
Type 1 · Individual
DR. Lester Ong, M.D.
Ong is 1 of 9 internal medicine providers in Stephenville and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-10-06
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-06Enumerated in NPPES
2005
2026
Where they practice
Practice location
150 River North Blvd
Stephenville, TX 764011803
Mailing address
150 River North Blvd
Stephenville, TX 764011803
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TN) | 120735100 | FIRST CARE PROVIDER NUMBE |
| 01 (TX) | 12285169 | TRICARE/CHAMPUS PROV NO |
| 01 (TX) | 4569284 | AETNA PROVIDER NUMBER |
| 01 (TN) | 83Y184 | BCBS PROVIDER NUMBER |
| 01 (TX) | 110136569 | RAILROAD MEDICARE PROV NO |
| 01 (TX) | 141953905 | UNITED HEALTHCARE PROV NO |
| 05 (TX) | 042755101 | |
| 01 (TX) | 7369694001 | CIGNA PROVIDER NUMBER |
Practice context
Part of a multi-provider practice. 34 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.