Maria D. Chapa, MD
Internal Medicine Physician · San Antonio, TX
Maria D. Chapa, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1457443012, issued on Sep 29, 2006. Check the license (Texas M5096, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria D. Chapa
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M5096 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8004 West Ave Ste 1, San Antonio, TX 78213
- Phone
- (210) 340-0801
- Enumerated
- Sep 29, 2006
- Record last updated
- Oct 30, 2024
- Fax
- (210) 340-0805
- Medicare enrollment
- Enrolled (PECOS I20070604000650); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Maria D. Chapa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M5096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,756 Medicare Part D claims for 455 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 195 claims were for opioids.
Most prescribed
- Levothyroxine Sodium227 claims
- Gabapentin201 claims
- Amlodipine Besylate157 claims
- Montelukast Sodium152 claims
- Atorvastatin Calcium137 claims
- Metformin Hcl131 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.
Industry payments in 2024: $936.83
40 payments; by number, the most common kind was 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
- Rise UP Rehab, LLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria D. Chapa among 9,175 internal medicine physician records in Texas
Maria D. Chapa, 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 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
- Graduated2001 · 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
- Fareeha Cheema, M.B.B.SSan Antonio, TX 782131669610655
- Carla Acra Despradel, M.D.San Antonio, TX 782141114181666
- John Alukal, M.DSan Antonio, TX 782121306886403
- Miguel Ayala, MDSan Antonio, TX 782141174510507
- Steven Bauer, MDSan Antonio, TX 782141548228927
- Samuel Dickman, M.D.San Antonio, TX 782121669826350
- Julian Falla, MDSan Antonio, TX 782141710141437
- Farah Farah, MDSan Antonio, TX 782121720405038
Common questions
What is Maria D. Chapa, MD's NPI number?
Maria D. Chapa, MD's National Provider Identifier (NPI) is 1457443012, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria D. Chapa, MD located?
The NPPES record lists a practice address at 8004 West Ave Ste 1, San Antonio, TX, 78213. Phone: (210) 340-0801. Providers update this record themselves, so call before visiting.
How can I verify Maria D. Chapa, MD's license?
NPPES lists Texas license number M5096, 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 Maria D. Chapa, MD prescribe under Medicare Part D?
In 2024, Maria D. Chapa, MD had 6,756 Medicare Part D claims for 455 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.