Doctor profile · Federal record

Dr. William Grenier, APRN, NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Family Nurse Practitioner · Family Nurse Practitioner · Family Nurse Practitioner · Louisville, KY

  • NPI 1154626521
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 5 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10401 Linn Station RD Ste 100
Louisville, KY 402233842
(502) 589-8600
fax (855) 632-8329

Credentials & registration

NPPES · NUCC
NPI registered
January 2011 — 15 yrs on file
Profile last updated
July 13, 2023
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (5)
Kentucky #3006776 · Ohio #APRN.CNP.019811 · North Carolina #5008544 · Indiana #71006200A · Florida #9421762

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154626521. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$159
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, INC. 1 $113.40
Gilead Sciences, INC. 1 $23.90
Braeburn INC. 1 $21.65

By nature of payment

Food and Beverage
$159

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$205
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 13 0 $138
Lisinopril Generic 11 0 $66

Frequently asked questions

Auto-generated from federal data
What is Dr. William Grenier's medical specialty?
Dr. William Grenier practices Family Nurse Practitioner in Louisville, KY.
Where does Dr. William Grenier practice?
Dr. William Grenier practices at 10401 Linn Station RD Ste 100, Louisville, KY 402233842. Office phone: 5025898600.
What is Dr. William Grenier's NPI?
Dr. William Grenier's National Provider Identifier (NPI) is 1154626521, issued by NPPES.
Does Dr. William Grenier accept Medicare assignment?
Yes. Dr. William Grenier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.