Doctor profile · Federal record

Dr. Kevin Duffy, PAC

Physician Assistant · Lansing, MI

  • NPI 1164412565
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4052 Legacy Pkwy, Suite 200
Lansing, MI 489114285
(517) 272-9700

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
May 4, 2021
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601002818

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164412565. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,756
Transactions
287
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 113 $1,027.56
Amgen Inc. 36 $681.84
ABBVIE INC. 48 $671.44
UCB, Inc. 21 $531.61
AstraZeneca Pharmaceuticals LP 16 $324.28
ANI Pharmaceuticals, Inc. 14 $298.19
Novartis Pharmaceuticals Corporation 9 $200.03
Organon Llc 7 $123.12
E.R. Squibb & Sons, L.L.C. 4 $113.58
Janssen Scientific Affairs, LLC 1 $99.56
Lilly USA, LLC 4 $96.08
Mallinckrodt Hospital Products Inc. 5 $94.88
GENZYME CORPORATION 3 $63.46
SOBI, INC 3 $60.22
Sandoz Inc. 3 $60.00

By nature of payment

Food and Beverage
$4,637
Education
$119

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,185
Patients
670
Total drug cost
$835,950
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 587 189 $59,221
Methotrexate (Methotrexate Sodium) Brand 386 126 $20,304
Prednisone Generic 192 73 $2,525
Leflunomide Generic 158 47 $14,842
Tramadol Hcl Generic 137 28 $1,005
Sulfasalazine Generic 112 27 $4,296
Methylprednisolone Generic 105 41 $2,856
Meloxicam Generic 97 40 $1,087
Cyclobenzaprine Hcl Generic 76 26 $722
Rinvoq (Upadacitinib) Brand 66 0 $408,690

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Duffy's medical specialty?
Dr. Kevin Duffy practices Physician Assistant in Lansing, MI.
Where does Dr. Kevin Duffy practice?
Dr. Kevin Duffy practices at 4052 Legacy Pkwy, Lansing, MI 489114285. Office phone: 5172729700.
What is Dr. Kevin Duffy's NPI?
Dr. Kevin Duffy's National Provider Identifier (NPI) is 1164412565, issued by NPPES.