NPPES file of Aug 9, 2026

Ashley Kristan Windham, D.O.

Hematology (Pathology) Physician · San Antonio, TX

Ashley Kristan Windham, D.O. is a hematology (pathology) physician with a practice address in San Antonio, Texas, and NPI 1235517301, issued on May 11, 2015. Check the license (Texas T3570, 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
1235517301
Name
Ashley Kristan Windham
Credential
D.O.
Primary taxonomy
Hematology (Pathology) Physician 207ZH0000X
License number
T3570 TX
Self-reported in NPPES; status is on the state search
Practice location
4502 Medical Dr, San Antonio, TX 78229
Phone
(210) 358-4000
Enumerated
May 11, 2015
Record last updated
Apr 22, 2026
Medicare enrollment
Enrolled (PECOS I20221014000030); 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.
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8 nearest hematology (pathology) physician records → All 51 in Texas → Look up another NPI →

Also registered at 4502 Medical Dr

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

  1. Aaron Abarbanell, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1245497809
  2. Ayham AbdelAnesthesiology Physician1467147496
  3. Ali Abedi, M.D.Pulmonary Disease Physician1346566312
  4. Jordan Abel, M.D.Infectious Disease Physician1417273301
  5. Aesha Aboueisha, MDHospitalist Physician1225527815
  6. Seena Abraham, MDFamily Medicine Physician1306338561

Verify Ashley Kristan Windham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T3570    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.

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Bills Medicare through one group practice

  1. University OF Texas Health Science Center AT San AntonioSan Antonio, TX

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

Ashley Kristan Windham among 51 hematology (pathology) physician records in Texas

Ashley Kristan Windham, D.O. is one of 51 hematology (pathology) physician records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 18% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2015 · median 1999 among the 35 with a school on file
  • Record last updated2026 · 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 207ZH0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Pathology) Physician providers in Texas

There are 51 hematology (pathology) physician records in Texas.

All 51 in Texas → Every provider in San Antonio → Hematology (Pathology) Physician nationwide →

The 8 hematology (pathology) physician records with the nearest ZIP codes

  1. Kenneth Holder, MDSan Antonio, TX 782291447432968
  2. Joyce Lemaistre, M.D.San Antonio, TX 782301497801310
  3. William Kloss, M.D.New Braunfels, TX 781301316091473
  4. Jessica Ziemba, M.D.Corpus Christi, TX 784111528413838
  5. Xenia Parisi, MDAustin, TX 787171366903221
  6. Jayati Mallick, M.D.Galveston, TX 775551215355474
  7. Michelle Hebert, M.D.Conroe, TX 773041043215098
  8. Jita De, M.D.Houston, TX 770541225287246

Common questions

What is Ashley Kristan Windham, D.O.'s NPI number?

Ashley Kristan Windham, D.O.'s National Provider Identifier (NPI) is 1235517301, issued on May 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Kristan Windham, D.O. located?

The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 358-4000. Providers update this record themselves, so call before visiting.

How can I verify Ashley Kristan Windham, D.O.'s license?

NPPES lists Texas license number T3570, 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.