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

Dr. Greg Wayne Galler, MD

Individual provider Internal Medicine Physician · NPI 1548356827

Dr. Greg Wayne Galler, MD is a Gastroenterology in Houston, Texas. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1986, 40 years ago. Practices with Kelsey-Seybold Medical Group, PLLC, a 942-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
40
Trained at
University of Kansas School of Med (KC/WICH/SAL)
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.

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Practice location Address checks out

2727 W Holcombe Blvd 3rd Fl
Houston, TX 77025-1669
Phone: (713) 442-0000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1111 Augusta Dr, Houston, TX 77057-2209 — (713) 442-2400

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence J6111 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence J6111 (TX)

Record details

NPI number1548356827
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESApril 22, 2020
Certification dateApril 22, 2020

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 1986 (40 years in practice)
Group practice Kelsey-Seybold Medical Group, Pllc — 942 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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