Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1205895943 Individual Practitioner Male Practitioner

Dr. Gregory T Koo , MD

General Practice • Lexington, KY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Koo, MD is a certified General Practice practicing in Lexington, KY. With approximately 30 years of clinical experience since graduating from University Of Cincinnati College Of Medicine in 1996, Dr. Koo delivers high-quality medical care to the local community at 1401 HARRODSBURG RD STE B165.

Dr. Koo is affiliated with Healthfirst Bluegrass Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, injection beneath the skin or into muscle for therapy, diagnosis, or prevention. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1401 Harrodsburg Rd Ste B165

Lexington, KY 405041726

Telephone 8592882425
Fax 8592887510
Associated Practice Facility / Clinic
🏢 Healthfirst Bluegrass Inc. Facility NPI 1881237220

Medicare Profile & Education

Medical School

University Of Cincinnati College Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for General Practice in Lexington, KY

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +0.8 yrs vs City Avg
City Avg: 29.2 Yrs
State Avg: 32.1 Yrs
Regional Practice Density
16 Specialists

Practicing in Lexington, KY (142 Statewide)

Telehealth Adoption Rate
6.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
36.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Koo (30 Years) 30 Yrs
Lexington Specialty Average (29.2 Years) 29.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
45 28 $150.00 $94.01
99213 Established patient office or other outpatient visit, typically 15 minutes
15 12 $98.00 $64.02

Medical Specialties & State Licenses

CMS Verified: 2025-07-15
General Practice Primary Specialty

NUCC Taxonomy Code: 208D00000X

State License KY 33614

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Specialist

NUCC Taxonomy Code: 174400000X

State License KY 33614

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Family Medicine

NUCC Taxonomy Code: 207Q00000X

State License KY 33614

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
64363146 (KY)

Hospital & Practice Group Affiliations

Healthfirst Bluegrass Inc

496 Southland Dr, Lexington, KY 405031827

Phone: 8592882425

Secondary Practice Locations

576 E Third St Ste 170

Lexington, KY 405082251

Phone: 8592882425

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Bhavini Mody , APRN

Nurse Practitioner - Pediatrics

NPI 1023270568

Advanced Practice Registered Nurse

Meagan Gee , LCSW

Social Worker - Clinical

NPI 1023580834

Licensed Clinical Social Worker

Roslyn Young , APRN, BS

Clinical Nurse Specialist - Psychiatric/Mental Health

NPI 1033186135

Advanced Practice Registered Nurse, Bachelor of Science

NPI 1033264379

Licensed Clinical Social Worker

Lori Frye

Nurse Practitioner - Psychiatric/Mental Health

NPI 1033677646
Dr. Sofeia Aslam , DO

Psychiatry & Neurology - Psychiatry

NPI 1053816819

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

16 Historical Events
📍
Updated Practice Location July 15, 2025

Registered at 1401 HARRODSBURG RD STE B165, LEXINGTON, KY 405041726 (Tel: 8592882425)

📍
Updated Business Mailing Address July 15, 2025

Registered at PO BOX 39597, BELFAST, ME 049151249 (Tel: 8592882425)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 11, 2024

Specialist (License #33614 in KY)

📍
Updated Practice Location October 29, 2024

Registered at 576 E THIRD ST STE 170, LEXINGTON, KY 405082251 (Tel: 8592882425)

📍
Updated Business Mailing Address October 29, 2024

Registered at 496 SOUTHLAND DR, LEXINGTON, KY 405031827 (Tel: 8592882425)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 29, 2024

Family Medicine (License #33614 in KY)

📍
Updated Practice Location January 07, 2020

Registered at 301 SUNSET DR, CANEYVILLE, KY 427219172 (Tel: 2708793711)

📍
Updated Business Mailing Address January 07, 2020

Registered at 908 WALLACE AVE, LEITCHFIELD, KY 427541479 (Tel: 2702599580)

📍
Updated Practice Location September 07, 2018

Registered at 2091 N BEND RD STE 100, HEBRON, KY 41048 (Tel: 8598171370)

📍
Updated Business Mailing Address September 07, 2018

Registered at 9816 LOWER RIVER RD, BURLINGTON, KY 410059624 (Tel: 8596208383)

NPI Profile Active September 25, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location September 25, 2015

Registered at 19 S MAIN ST, DRY RIDGE, KY 410357332 (Tel: 8598235441)

📍
Updated Business Mailing Address September 25, 2015

Registered at 2300 CHAMBER CENTER DR, SUITE 200, LAKESIDE PARK, KY 410171673 (Tel: 8593445555)

👤
Provider Name / Credentials Updated September 25, 2015

Recorded as GREGORY KOO, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 25, 2015

Specialist (License #33614 in KY)

🟢
Initial NPI Registration & Enumeration March 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Gregory Koo. Be the first to share your experience!

Sign in to leave a review for Dr. Gregory Koo

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1205895943
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 21, 2006
Last Update: July 15, 2025
Sole Proprietor: No

Mailing Address

Po Box 39597

Belfast, ME 049151249

Phone: 8592882425

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.