Oscar Mendez, M.D.
Internal Medicine Physician · Edinburg, TX
Oscar Mendez, M.D. is an internal medicine physician with a practice address in Edinburg, Texas, and NPI 1871565622, issued on Feb 6, 2006. Check the license (Texas L3397, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Oscar Mendez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L3397 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5501 S Mccoll RD, Edinburg, TX 78539
- Phone
- (956) 362-8677
- Enumerated
- Feb 6, 2006
- Record last updated
- Nov 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 157659707 TX
- Medicare enrollment
- Enrolled (PECOS I20050805000683); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 5501 S Mccoll RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oscar Mendez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L3397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $121.36
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Renaissance HospitalistsEdinburg, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oscar Mendez among 9,175 internal medicine physician records in Texas
Oscar Mendez, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1987 · median 2004 among the 6,088 with a school on file
- Record last updated2017 · 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).
57 internal medicine physician records list a practice address in Edinburg
They are 57 of the 2,724 NPPES records with a practice address in Edinburg, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Edinburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amer Alanbari, MDEdinburg, TX 785391881615045
- Padmini Bhadriraju, MDEdinburg, TX 785391518991447
- Andrew Dentino, MDEdinburg, TX 785391295739126
- Socrates Garrigos, MDEdinburg, TX 785391821052499
- Dinesh Jain, M.D.Edinburg, TX 785391619975083
- Sung Lim, MDEdinburg, TX 785391992759849
- Roberto Martinez, M.D.Edinburg, TX 785391275597593
- Carlos Moreno, MDEdinburg, TX 785391306828280
Common questions
What is Oscar Mendez, M.D.'s NPI number?
Oscar Mendez, M.D.'s National Provider Identifier (NPI) is 1871565622, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Mendez, M.D. located?
The NPPES record lists a practice address at 5501 S Mccoll RD, Edinburg, TX, 78539. Phone: (956) 362-8677. Providers update this record themselves, so call before visiting.
How can I verify Oscar Mendez, M.D.'s license?
NPPES lists Texas license number L3397, 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. 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.