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

Gregory T Koo, MD

Individual provider Specialist · NPI 1205895943

Gregory T Koo, MD is a General Practice in Lexington, Kentucky. Graduated from University of Cincinnati College of Medicine in 1996, 30 years ago. Practices with Healthfirst Bluegrass Inc, a 23-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kentucky.

Years since qualifying
30
Trained at
University of Cincinnati College of Medicine
Licensed in
KY
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

1401 Harrodsburg Rd Ste B165
Lexington, KY 40504-1726
Phone: (859) 288-2425
Fax: (859) 288-7510
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 576 E Third St Ste 170, Lexington, KY 40508-2251 — (859) 288-2425

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 33614 (KY)
Specialist Taxonomy 174400000X · Licence 33614 (KY)
Family Medicine Physician Taxonomy 207Q00000X · Licence 33614 (KY)

Record details

NPI number1205895943
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025
Mailing addressPo Box 39597, Belfast, ME 04915-1249

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Healthfirst Bluegrass Inc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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