Daniel Mazan Minier Mercedes, MD
Internal Medicine Physician · Corpus Christi, TX
Daniel Mazan Minier Mercedes, MD is an internal medicine physician with a practice address in Corpus Christi, Texas, and NPI 1952898314, issued on Apr 20, 2018. Check the license (Texas T8890, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel Mazan Minier Mercedes
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- T8890 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3315 S Alameda St, Corpus Christi, TX 78411
- Phone
- (877) 332-4602
- Enumerated
- Apr 20, 2018
- Record last updated
- May 14, 2025
- Fax
- (361) 371-8376
- Medicare enrollment
- Enrolled (PECOS I20220927000524); 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 3315 S Alameda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Mazan Minier Mercedes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T8890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
472 Medicare Part D claims for 199 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass26 claims
- Famotidine26 claims
- Furosemide25 claims
- Metoprolol Succinate25 claims
- Pantoprazole Sodium23 claims
- Amlodipine Besylate22 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
- Hha Hospital Medicine OF Texas PLLCCorpus Christi, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Mazan Minier Mercedes among 9,175 internal medicine physician records in Texas
Daniel Mazan Minier Mercedes, 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 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).
99 internal medicine physician records list a practice address in Corpus Christi
They are 99 of the 5,600 NPPES records with a practice address in Corpus Christi, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Corpus Christi → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fatima Bashir, M.D.Corpus Christi, TX 784111093000671
- Johanna Daugherty, M.D.Corpus Christi, TX 784111396058392
- Surendra Dawani, MDCorpus Christi, TX 784111215902432
- Priyank Dhar, MDCorpus Christi, TX 784111285014175
- Natalie Harris, D.O.Corpus Christi, TX 784111003004201
- David Heredia, MDCorpus Christi, TX 784111104980408
- Pavlo Kodak, M.D.Corpus Christi, TX 784111790113918
- Cyril Owusu-Boakye, M.D.Corpus Christi, TX 784111851530455
Common questions
What is Daniel Mazan Minier Mercedes, MD's NPI number?
Daniel Mazan Minier Mercedes, MD's National Provider Identifier (NPI) is 1952898314, issued on Apr 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Mazan Minier Mercedes, MD located?
The NPPES record lists a practice address at 3315 S Alameda St, Corpus Christi, TX, 78411. Phone: (877) 332-4602. Providers update this record themselves, so call before visiting.
How can I verify Daniel Mazan Minier Mercedes, MD's license?
NPPES lists Texas license number T8890, 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 Daniel Mazan Minier Mercedes, MD prescribe under Medicare Part D?
In 2024, Daniel Mazan Minier Mercedes, MD had 472 Medicare Part D claims for 199 beneficiaries; 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.