GREGORY T KOO (MD) – General Practice Physician, NPI 1205895943
General Practice Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
77 GENERAL PRACTICE in KY
Provider Addresses for GREGORY T KOO (MD)
576 E Third St Ste 170
Lexington, KY 405082251
Phone: (859) 288-2425
Fax: (859) 288-7510
Type: Location
PO BOX 39597
BELFAST, ME 049151249
Phone: (859) 288-2425
Fax: (859) 288-7510
Type: Mailing
Sunset Drive, Caneyville, Grayson County, Kentucky, 42721, United States
CANEYVILLE, KY 427219172
Phone: (270) 879-3711
Fax: (270) 879-8674
Type: Location
908, Wallace Avenue, Leitchfield, Grayson County, Kentucky, 42754, United States
LEITCHFIELD, KY 427541479
Phone: (270) 259-9580
Fax: (270) 259-9582
Type: Mailing
1401 HARRODSBURG RD STE B165
LEXINGTON, KY 405041726
Phone: (859) 288-2425
Fax: (859) 288-7510
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $420.
Total Amount is formed as General ($420) + Research ($0) + Ownership ($0) = $420.
Last reported payment date: 2024-07-24 • Largest payer in this snapshot: Lilly USA, LLC ($89).
Total Amount
$420
General + Research + Ownership
Payments
25
Total payment records
General Amount
$420
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $89 |
| GlaxoSmithKline, LLC. | $65 |
| Novo Nordisk Inc | $63 |
| ABBVIE INC. | $31 |
| PFIZER INC. | $21 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-09-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040921000945 | I | General Practice | KY | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 40508)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | KY | |
| O B S T E T R I C S/ G Y N E C O L O G Y | KY | |
| Nurse Practitioner | KY | |
| - | KY | |
| Physician Assistant | KY | |
| Physician Assistant | KY | |
| Nurse Practitioner | KY | |
| Clinical Social Worker | KY | |
| P S Y C H I A T R Y | KY | |
| Nurse Practitioner | ME |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.