NPPES file of Aug 9, 2026

Diana Villazana-Kretzer, D.O

Maternal & Fetal Medicine Physician · San Antonio, TX

Diana Villazana-Kretzer, D.O is a maternal & fetal medicine physician with a practice address in San Antonio, Texas, and NPI 1578791190, issued on Jun 23, 2009. Check the license (Texas N9661, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578791190
Name
Diana Villazana-Kretzer
Credential
D.O
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
N9661 TX
Self-reported in NPPES; status is on the state search
Practice location
333 N Santa Rosa, San Antonio, TX 78207
Phone
(713) 798-1750
Enumerated
Jun 23, 2009
Record last updated
Mar 28, 2023
Fax
(713) 798-4693
Medicare enrollment
Enrolled (PECOS I20210517001817); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest maternal & fetal medicine physician records → All 308 in Texas → Look up another NPI →

Also registered at 333 N Santa Rosa

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sachin Abraham, DOStudent in an Organized Health Care Education/Training Program1700671559
  2. Asmaa Abu Maziad, MDPediatric Nephrology Physician1922394139
  3. Jose Aceves, MDNeurology with Special Qualifications in Child Neurology Physician1275544207
  4. Analyssa AcostaPhysician Assistant1497578611
  5. Sheikh Ahmed, MDPediatric Critical Care Medicine Physician1265541361
  6. Adrianna AlanizStudent in an Organized Health Care Education/Training Program1841137569

Verify Diana Villazana-Kretzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9661    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Scott And White ClinicTemple, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diana Villazana-Kretzer among 308 maternal & fetal medicine physician records in Texas

Diana Villazana-Kretzer, D.O is one of 308 maternal & fetal medicine physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2009 · median 2006 among the 187 with a school on file
  • Record last updated2023 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Texas

There are 308 maternal & fetal medicine physician records in Texas.

All 308 in Texas → Every provider in San Antonio → Maternal & Fetal Medicine Physician nationwide →

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Reinaldo Acosta, MDSan Antonio, TX 782071619927571
  2. Angela Boyd, M.D.San Antonio, TX 782071609212331
  3. Shad Deering, M.D.San Antonio, TX 782071407836018
  4. Anna Gonzalez, MDSan Antonio, TX 782071346443538
  5. Celso Hernandez, M.D.San Antonio, TX 782071932100559
  6. Demetrice Hill, M.D.San Antonio, TX 782071407823735
  7. James Hill, M.D.San Antonio, TX 782071932178738
  8. Michelle LendeSan Antonio, TX 782071972965028

Common questions

What is Diana Villazana-Kretzer, D.O's NPI number?

Diana Villazana-Kretzer, D.O's National Provider Identifier (NPI) is 1578791190, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Diana Villazana-Kretzer, D.O located?

The NPPES record lists a practice address at 333 N Santa Rosa, San Antonio, TX, 78207. Phone: (713) 798-1750. Providers update this record themselves, so call before visiting.

How can I verify Diana Villazana-Kretzer, D.O's license?

NPPES lists Texas license number N9661, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.