Mariam Gabriela Zelaya Mejia, MD
Geriatric Medicine (Family Medicine) Physician · McAllen, TX
Mariam Gabriela Zelaya Mejia, MD is a geriatric medicine (family medicine) physician with a practice address in McAllen, Texas, and NPI 1336870500, issued on Jun 20, 2022. Check the license (Texas W8474, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mariam Gabriela Zelaya Mejia
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- W8474 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5128 N 10TH St, McAllen, TX 78504
- Phone
- (956) 631-3831
- Enumerated
- Jun 20, 2022
- Record last updated
- Aug 7, 2026
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 121 in Texas → Look up another NPI →
Also registered at 5128 N 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ramiro De Leon, APRN, FNP-BCFamily Nurse Practitioner1467736868
- Luis Jr Delgado, M.D.Family Medicine Physician1114922499
- Jessica Leal-Porras, PA-CMedical Physician Assistant1588721666
- Sahar McAllen, PAPhysician Assistant1972621555
- Maria Rios, PA-CPhysician Assistant1578612396
- Rene Torres, PA-CPhysician Assistant1811155534
Verify Mariam Gabriela Zelaya Mejia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W8474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
324 Medicare Part D claims for 69 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate36 claims
- Duloxetine Hcl15 claims
- Atorvastatin Calcium14 claims
- Losartan Potassium12 claims
- Spironolactone12 claims
- Mirtazapine11 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.
Mariam Gabriela Zelaya Mejia among 121 geriatric medicine (family medicine) physician records in Texas
Mariam Gabriela Zelaya Mejia, MD is one of 121 geriatric medicine (family medicine) physician records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in Texas
There are 121 geriatric medicine (family medicine) physician records in Texas.
All 121 in Texas → Every provider in McAllen → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Natalia Valle Marin, MDDonna, TX 785371295327609
- Alison Garza, MDEdinburg, TX 785391588753917
- Marisol Benavidez, M.D.San Juan, TX 785891891983888
- John Carroll, MDCorpus Christi, TX 784051992792881
- Alma McDaniel, M.D.Corpus Christi, TX 784051306189808
- Kathleen Soch, MDCorpus Christi, TX 784051134126717
- Nelly Garcia Blow, D.O.Corpus Christi, TX 784041477812501
- Saramma George, M.D.Georgetown, TX 786331215035845
Common questions
What is Mariam Gabriela Zelaya Mejia, MD's NPI number?
Mariam Gabriela Zelaya Mejia, MD's National Provider Identifier (NPI) is 1336870500, issued on Jun 20, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mariam Gabriela Zelaya Mejia, MD located?
The NPPES record lists a practice address at 5128 N 10TH St, McAllen, TX, 78504. Phone: (956) 631-3831. Providers update this record themselves, so call before visiting.
How can I verify Mariam Gabriela Zelaya Mejia, MD's license?
NPPES lists Texas license number W8474, 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 Mariam Gabriela Zelaya Mejia, MD prescribe under Medicare Part D?
In 2024, Mariam Gabriela Zelaya Mejia, MD had 324 Medicare Part D claims for 69 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.