Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Andrea L. Darilek, MD

Individual provider Internal Medicine Physician · NPI 1053334904

Andrea L. Darilek, MD is a Hospitalist in San Antonio, Texas. Graduated from University of Texas Medical School at Houston in 1997, 29 years ago. Practices with Billings Clinic, a 805-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana and Texas.

Years since qualifying
29
Trained at
University of Texas Medical School at Houston
Licensed in
MT, TX
In the registry since
2006
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

4502 Medical Dr
San Antonio, TX 78229-4402
Phone: (210) 358-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2800 10th Ave N, Billings, MT 59101-0703 — (406) 657-4000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence W1570 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence W1570 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence 10896 (MT)

Record details

NPI number1053334904
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESJanuary 27, 2026
Certification dateJanuary 27, 2026

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1997 (29 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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