Doctor profile · Federal record

Dr. James Grannell, D.O.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Mauston, WI

  • NPI 1083662019
  • Accepts Medicare
  • 48 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1040 Division St
Mauston, WI 539481931
(608) 847-5000

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 5, 2020
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207X00000X — NUCC code
State licenses (2)
Wisconsin #71317-21 · Michigan #5101007545

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083662019. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$259
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, INC. 1 $149.21
Heron Therapeutics, INC. 1 $89.42
Stryker Corporation 1 $20.36

By nature of payment

Food and Beverage
$259

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
206
Patients
125
Total drug cost
$930
Drug Type Claims Patients Total cost
Meloxicam Generic 165 90 $753
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 21 17 $112
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 18 $65

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Grannell's medical specialty?
Dr. James Grannell practices Orthopaedic Surgery Physician in Mauston, WI.
Where does Dr. James Grannell practice?
Dr. James Grannell practices at 1040 Division St, Mauston, WI 539481931. Office phone: 6088475000.
What is Dr. James Grannell's NPI?
Dr. James Grannell's National Provider Identifier (NPI) is 1083662019, issued by NPPES.
Does Dr. James Grannell accept Medicare assignment?
Yes. Dr. James Grannell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.