Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Javier Castillo, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1427386804

Javier Castillo, MD practises Obstetrics/Gynecology in San Antonio, Texas. Graduated from University of Texas Medical School at San Antonio in 2008, 18 years ago. Practices with Children's Physician Services of South Texas, a 65-clinician group and accepts Medicare assignment. Licensed in Mississippi and Texas.

Years since qualifying
18
Trained at
University of Texas Medical School at San Antonio
Licensed in
MS, TX
In the registry since
2009
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5414 Fredericksburg Rd
San Antonio, TX 78229 Not confirmed with CMS for 11 years — call before visiting
Phone: (210) 614-2209
Fax: (210) 614-5714
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence N6209 (TX)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence BP10031004 (TX)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 22022 (MS)

Record details

NPI number1427386804
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 24, 2009
Last updated in NPPESJuly 20, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2008 (18 years in practice)
Group practice Children'S Physician Services Of South Texas — 65 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $31 2 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Corpus Christi Medical Center,The Hospital · Corpus Christi, TX

Colleagues at Children's Physician Services of South Texas

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 65 clinicians in the practice; 12 are shown here.

Other providers in San Antonio