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

Dr. Teresa Lynn Irwin, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1255330064

Dr. Teresa Lynn Irwin, MD is an Obstetrics/Gynecology in San Marcos, Texas. Graduated from Baylor College of Medicine in 2000, 26 years ago. Practices with Unified Womens Healthcare of Texas PLLC, a 181-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
26
Trained at
Baylor College of Medicine
Licensed in
TX
In the registry since
2005
Specialties on file
2
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

1305 Wonder World Dr Ste 209
San Marcos, TX 78666-7546
Phone: (512) 396-7575
Fax: (512) 396-7555
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Specialties & licences

Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician (primary) Taxonomy 207VF0040X · Licence TX-K3911 (TX)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence K3911 (TX)

Record details

NPI number1255330064
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2005
Last updated in NPPESNovember 4, 2013

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Unified Womens Healthcare Of Texas Pllc — 181 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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