Doctor profile · Federal record

Dr. Walker Flannery, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Green Bay, WI

  • NPI 1891051538
  • Accepts Medicare
  • MIPS 82.9 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2223 Lime Kiln RD Ste 1
Green Bay, WI 543116213
(920) 430-8113

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
April 22, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Wisconsin #61360-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891051538. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,547
Distinct HCPCS
10
Medicare allowed
$129,380
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 769 71 $0
99213 Established patient office or other outpatient visit, 20-29 minutes 122 97 $85
20610 Aspiration and/or injection of fluid from large joint 118 84 $64
73502 X-ray of hip, 2-3 views 107 84 $44
73564 X-ray of knee, 4 or more views 73 71 $52
99214 Established patient office or other outpatient visit, 30-39 minutes 69 65 $120
99203 New patient office or other outpatient visit, 30-44 minutes 58 58 $104
73562 X-ray of knee, 3 views 40 32 $42
27130 Replacement of thigh bone and hip joint with prosthesis 38 38 $1,165
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $156

In context: peer comparison

Among 17 peers in this city , average services per provider: 80. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Arthrex, Inc. 1 $125.00
DePuy Synthes Sales Inc. 1 $21.22

By nature of payment

Food and Beverage
$146

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,002
Patients
710
Total drug cost
$5,220
Drug Type Claims Patients Total cost
Amoxicillin Generic 210 114 $181
Tramadol Hcl Generic 167 110 $478
Celecoxib Generic 149 128 $2,096
Oxycodone Hcl Generic 127 70 $747
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 56 38 $396
Clindamycin Hcl Generic 53 29 $95
Ondansetron Hcl Generic 47 44 $190
Ondansetron Odt (Ondansetron) Brand 45 40 $274
Meloxicam Generic 41 34 $96
Mupirocin Generic 32 32 $214

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Walker Flannery's medical specialty?
Dr. Walker Flannery practices Orthopaedic Surgery Physician in Green Bay, WI.
Where does Dr. Walker Flannery practice?
Dr. Walker Flannery practices at 2223 Lime Kiln RD Ste 1, Green Bay, WI 543116213. Office phone: 9204308113.
What is Dr. Walker Flannery's NPI?
Dr. Walker Flannery's National Provider Identifier (NPI) is 1891051538, issued by NPPES.
Does Dr. Walker Flannery accept Medicare assignment?
Yes. Dr. Walker Flannery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walker Flannery commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.