Mariana Hernandez Rivera, MD
Internal Medicine Physician · San Antonio, TX
Mariana Hernandez Rivera, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1013408152, issued on May 24, 2018. Check the license (Texas T3634, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mariana Hernandez Rivera
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- T3634 TX
125.071738 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 S Zarzamora St, San Antonio, TX 78207
- Phone
- (210) 358-7000
- Enumerated
- May 24, 2018
- Record last updated
- Nov 15, 2024
- Fax
- (210) 358-7474
- Medicare enrollment
- Enrolled (PECOS I20211206001916); 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 701 S Zarzamora St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariana Hernandez Rivera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T3634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average internal medicine physician in 2024
3,283 Medicare Part D claims for 512 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium207 claims
- Lisinopril158 claims
- Gabapentin123 claims
- Amlodipine Besylate118 claims
- Losartan Potassium95 claims
- Hydrochlorothiazide94 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Community Medicine AssociatesSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariana Hernandez Rivera among 9,175 internal medicine physician records in Texas
Mariana Hernandez Rivera, 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
- Graduated2012 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Sarah Lapey, MDSan Antonio, TX 782071619084787
- David Montemayor, M.D.San Antonio, TX 782071255343042
- Nasser Nakissa, MDSan Antonio, TX 782071689774010
- Ambili Ramachandran, M.D.San Antonio, TX 782071467696047
Common questions
What is Mariana Hernandez Rivera, MD's NPI number?
Mariana Hernandez Rivera, MD's National Provider Identifier (NPI) is 1013408152, issued on May 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mariana Hernandez Rivera, MD located?
The NPPES record lists a practice address at 701 S Zarzamora St, San Antonio, TX, 78207. Phone: (210) 358-7000. Providers update this record themselves, so call before visiting.
How can I verify Mariana Hernandez Rivera, MD's license?
NPPES lists Texas license number T3634, 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 Mariana Hernandez Rivera, MD prescribe under Medicare Part D?
In 2024, Mariana Hernandez Rivera, MD had 3,283 Medicare Part D claims for 512 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mariana Hernandez Rivera, MD's MIPS final score?
The 2023 MIPS final score is 89.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.