Oscar Julio Lopez, MD
Internal Medicine Physician · Weslaco, TX
Oscar Julio Lopez, MD is an internal medicine physician with a practice address in Weslaco, Texas, and NPI 1255901682, issued on Jun 28, 2021. Check the license (Texas BP10075143, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Oscar Julio Lopez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- BP10075143 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1330 E 6TH St Ste 105, Weslaco, TX 78596
- Phone
- (956) 296-7722
- Enumerated
- Jun 28, 2021
- Record last updated
- Jun 1, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1330 E 6TH St Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oscar Julio Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license BP10075143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Oscar Julio Lopez among 9,175 internal medicine physician records in Texas
Oscar Julio Lopez, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Weslaco
They are 34 of the 775 NPPES records with a practice address in Weslaco, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Weslaco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hector Amaya Chinchilla, M.D.Weslaco, TX 785961366690588
- Jose Bejarano, M.D.Weslaco, TX 785961518168772
- Dionisio CalvoWeslaco, TX 785961487756094
- Brandon Cantazaro, MDWeslaco, TX 785961023404084
- Chelsea Chang, M.D.Weslaco, TX 785961033475801
- Gabriel Gonzalez, M.D.Weslaco, TX 785961689699647
- Cesar Gutierrez, M.D.Weslaco, TX 785961700263456
- Jose Lares, MDWeslaco, TX 785961407902182
Common questions
What is Oscar Julio Lopez, MD's NPI number?
Oscar Julio Lopez, MD's National Provider Identifier (NPI) is 1255901682, issued on Jun 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Julio Lopez, MD located?
The NPPES record lists a practice address at 1330 E 6TH St Ste 105, Weslaco, TX, 78596. Phone: (956) 296-7722. Providers update this record themselves, so call before visiting.
How can I verify Oscar Julio Lopez, MD's license?
NPPES lists Texas license number BP10075143, 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.
How much does Oscar Julio Lopez, MD prescribe under Medicare Part D?
In 2024, Oscar Julio Lopez, MD had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.