Maria-Isabel Zapata, M.D.
Adult Medicine Physician · Houston, TX
Maria-Isabel Zapata, M.D. is an adult medicine physician with a practice address in Houston, Texas, and NPI 1669461778, issued on Oct 20, 2005. Check the license (Texas K9000, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria-Isabel Zapata
- Credential
- M.D.
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License numbers
- K9000 TX
164978 AK
E-13514 AR
66613 CT
ME93748 FL
and 3 more
Self-reported in NPPES; status is on the state search - Practice location
- 2810 Ashwood St, Houston, TX 77025
- Phone
- (800) 997-6196
- Enumerated
- Oct 20, 2005
- Record last updated
- May 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100203000679); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 164 in Texas → Look up another NPI →
Verify Maria-Isabel Zapata in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K9000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average adult medicine physician in 2024
319 Medicare Part D claims for 173 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro33 claims
- Doxycycline Hyclate26 claims
- Albuterol Sulfate Hfa22 claims
- Amoxicillin-Clavulanate Potass16 claims
- Prednisone14 claims
- Paxlovid12 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
- Doctor ON Demand Professionals P CAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria-Isabel Zapata among 164 adult medicine physician records in Texas
Maria-Isabel Zapata, M.D. is one of 164 adult medicine physician records with a practice address in Texas. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1998 · median 1996 among the 64 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in Texas
There are 164 adult medicine physician records in Texas.
All 164 in Texas → Every provider in Houston → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Afaf Shah, MDHouston, TX 770241376739185
- Woon Sim, M.D.Houston, TX 770241730130782
- Michael Buxbaum, D.O.Houston, TX 770271003920760
- Nilima Rai, M.DHouston, TX 770271790988376
- Richard Trifiro, M.D.Houston, TX 770291740363688
- Terry Bevers, M.D.Houston, TX 770301548365174
- Elise Cook, M.D.Houston, TX 770301730273475
- Lewis Foxhall, M.D.Houston, TX 770301548368053
Common questions
What is Maria-Isabel Zapata, M.D.'s NPI number?
Maria-Isabel Zapata, M.D.'s National Provider Identifier (NPI) is 1669461778, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maria-Isabel Zapata, M.D. located?
The NPPES record lists a practice address at 2810 Ashwood St, Houston, TX, 77025. Phone: (800) 997-6196. Providers update this record themselves, so call before visiting.
How can I verify Maria-Isabel Zapata, M.D.'s license?
NPPES lists Texas license number K9000, 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-Isabel Zapata, M.D. prescribe under Medicare Part D?
In 2024, Maria-Isabel Zapata, M.D. had 319 Medicare Part D claims for 173 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.