Rogelio Zachary Mendoza, MD
Emergency Medicine Physician · Rio Grande City, TX
Rogelio Zachary Mendoza, MD is an emergency medicine physician with a practice address in Rio Grande City, Texas, and NPI 1952981524, issued on Apr 8, 2021. Check the license (Texas V4436, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rogelio Zachary Mendoza
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- V4436 TX
Self-reported in NPPES; status is on the state search - Practice location
- 128 N FM 3167, Rio Grande City, TX 78582
- Phone
- (956) 487-9025
- Enumerated
- Apr 8, 2021
- Record last updated
- Sep 17, 2025
- Fax
- (956) 487-4680
- Medicare enrollment
- Enrolled (PECOS I20241101000494); accepts Medicare assignment
- Medical or professional school
- Univeristy Of Texas Rio Grande Valley Med School, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 128 N FM 3167
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rogelio Contreras, MSN, APRN, FNP-BCFamily Nurse Practitioner1316044753
- Keirsten Cummings, APRN, FNP-BCFamily Nurse Practitioner1700257987
- Naomi D'Acolatse, M.D.Family Medicine Physician1073855698
- Nathan Garza, MDInternal Medicine Physician1932801230
- Rolando Guerrero, M.D.Emergency Medicine Physician1649288259
- Alberto OlivarezCertified Registered Nurse Anesthetist1790636983
Verify Rogelio Zachary Mendoza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V4436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average emergency medicine physician in 2024
112 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% 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.
Bills Medicare through one group practice
- Renaissance Medical FoundationRio Grande City, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rogelio Zachary Mendoza among 4,885 emergency medicine physician records in Texas
Rogelio Zachary Mendoza, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · median 2013 among the 2,779 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 emergency medicine physician records list a practice address in Rio Grande City
They are 4 of the 290 NPPES records with a practice address in Rio Grande City, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Rio Grande City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rolando Guerrero, M.D.Rio Grande City, TX 785821649288259
- Robert Reyes, MDRio Grande City, TX 785821295756955
- Nathan Tanner, MDRio Grande City, TX 785821467081323
- Francisco Torres, MDMission, TX 785731215130505
- Heriberto Alanis, MDMission, TX 785721770565673
- Rebecca Carter, MDMission, TX 785721720060338
- Olga Langley, MDMission, TX 785721689659054
- Nicholas Metcalf, MDMission, TX 785721326020207
Common questions
What is Rogelio Zachary Mendoza, MD's NPI number?
Rogelio Zachary Mendoza, MD's National Provider Identifier (NPI) is 1952981524, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Rogelio Zachary Mendoza, MD located?
The NPPES record lists a practice address at 128 N FM 3167, Rio Grande City, TX, 78582. Phone: (956) 487-9025. Providers update this record themselves, so call before visiting.
How can I verify Rogelio Zachary Mendoza, MD's license?
NPPES lists Texas license number V4436, 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 Rogelio Zachary Mendoza, MD prescribe under Medicare Part D?
In 2024, Rogelio Zachary Mendoza, MD had 112 Medicare Part D claims for 36 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.