Isaac J.t. Osborne, M.D.
Internal Medicine Physician · Harlingen, TX
Isaac J.t. Osborne, M.D. is an internal medicine physician with a practice address in Harlingen, Texas, and NPI 1700809555, issued on Jul 25, 2006. Check the license (Texas L4196, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Isaac J.t. Osborne
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- L4196 TX
33820 KY
Self-reported in NPPES; status is on the state search - Practice location
- 512 Victoria LN Ste 12, Harlingen, TX 78550
- Phone
- (903) 577-9991
- Enumerated
- Jul 25, 2006
- Record last updated
- Jan 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 150990301 TX
- Entity
- Type 1 · individual
Also registered at 512 Victoria LN Ste 12
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beverly Zavaleta, M.D.Family Medicine Physician1225032113
Verify Isaac J.t. Osborne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4196Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72 internal medicine physician records list a practice address in Harlingen
They are 72 of the 2,419 NPPES records with a practice address in Harlingen, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 72 in Harlingen → All 9,175 in Texas → Every provider in Harlingen →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Isaac J.t. Osborne, M.D.'s NPI number?
Isaac J.t. Osborne, M.D.'s National Provider Identifier (NPI) is 1700809555, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac J.t. Osborne, M.D. located?
The NPPES record lists a practice address at 512 Victoria LN Ste 12, Harlingen, TX, 78550. Phone: (903) 577-9991. Providers update this record themselves, so call before visiting.
How can I verify Isaac J.t. Osborne, M.D.'s license?
NPPES lists Texas license number L4196, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.