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

Dr. Gregg A Workman, MD

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1447223516

Dr. Gregg A Workman, MD is a Family Practice in Brenham, Texas. Graduated from University of Texas Medical School at Houston in 1997, 29 years ago. Practices with Brenham Family Practice and Obstetrics PA, a 6-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
29
Trained at
University of Texas Medical School at Houston
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

601 Medical Pkwy Ste D
Brenham, TX 77833-5430
Phone: (979) 836-2822
Fax: (979) 836-1943
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence L5187 (TX)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence H66161 (TX)

Record details

NPI number1447223516
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESDecember 7, 2023
Certification dateDecember 7, 2023
Mailing address601 Medical Parkway, Suite D, Brenham, TX 77833-5430

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1997 (29 years in practice)
Group practice Brenham Family Practice And Obstetrics Pa. — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount