Gustavo Enrique Ayala, M.D.
Anatomic Pathology & Clinical Pathology Physician · Houston, TX
Gustavo Enrique Ayala, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Houston, Texas, and NPI 1992709356, issued on Jun 13, 2005. Check the license (Texas K7501, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gustavo Enrique Ayala
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- K7501 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6411 Fannin Street, Houston, TX 77030
- Phone
- (713) 704-4000
- Enumerated
- Jun 13, 2005
- Record last updated
- Nov 2, 2023
- Fax
- (713) 704-2658
- Medicare enrollment
- Enrolled (PECOS I20050307000439); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,424 in Texas → Look up another NPI →
Also registered at 6411 Fannin Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mahmoud Elsayad, M.D.Anatomic Pathology & Clinical Pathology Physician1194101337
- Tianhua Guo, M.D.Anatomic Pathology & Clinical Pathology Physician1902218498
- Kent Heck, M.D.Anatomic Pathology & Clinical Pathology Physician1851353031
Verify Gustavo Enrique Ayala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K7501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University OF Texas Health Science Center AT HoustonHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gustavo Enrique Ayala among 1,424 anatomic pathology & clinical pathology physician records in Texas
Gustavo Enrique Ayala, M.D. is one of 1,424 anatomic pathology & clinical pathology physician records with a practice address in Texas. 65% 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, 89% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1989 · median 2001 among the 864 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Texas
There are 1,424 anatomic pathology & clinical pathology physician records in Texas.
All 1,424 in Texas → Every provider in Houston → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Amin Alrahwan, M.D.Houston, TX 770301306827381
- Diego Fiorito, M.D.Houston, TX 770301184629586
- Jerry Goodman, M.D.Houston, TX 770301770553877
- Suyang Hao, MDHouston, TX 770301750371910
- Joseph Khoury, MDHouston, TX 770301013910108
- Pulin Kothari, M.D.Houston, TX 770301730184136
- Barbara Lines, MDHouston, TX 770301366447690
- Joyce Maldonado, M.D.Houston, TX 770301083619316
Common questions
What is Gustavo Enrique Ayala, M.D.'s NPI number?
Gustavo Enrique Ayala, M.D.'s National Provider Identifier (NPI) is 1992709356, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gustavo Enrique Ayala, M.D. located?
The NPPES record lists a practice address at 6411 Fannin Street, Houston, TX, 77030. Phone: (713) 704-4000. Providers update this record themselves, so call before visiting.
How can I verify Gustavo Enrique Ayala, M.D.'s license?
NPPES lists Texas license number K7501, 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.
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.