Walker Flannery, M.D.
Orthopaedic Surgery Physician · Green Bay, WI
Walker Flannery, M.D. is an orthopaedic surgery physician with a practice address in Green Bay, Wisconsin, and NPI 1891051538, issued on Apr 6, 2012. Check the license (Wisconsin 61360-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Walker Flannery
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 61360-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2223 Lime Kiln RD Ste 1, Green Bay, WI 54311
- Phone
- (920) 430-8113
- Enumerated
- Apr 6, 2012
- Record last updated
- Apr 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20170927002607); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 656 in Wisconsin → Look up another NPI →
Also registered at 2223 Lime Kiln RD Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Albiero, M.D.Orthopaedic Surgery Physician1033451588
- Michael Avery, DORheumatology Physician1255568069
- Abbey Debruin, MDOrthopaedic Surgery Physician1366904666
- Joel Hein, M.D.Orthopaedic Surgery Physician1689847790
- Karl Henrikson, MDOrthopaedic Surgery Physician1184986267
- Nicole Kieffer, D.O.Rheumatology Physician1689854853
Verify Walker Flannery in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 61360-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
763 Medicare Part D claims for 306 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 391 claims were for opioids.
Most prescribed
- Celecoxib145 claims
- Oxycodone Hcl145 claims
- Tramadol Hcl144 claims
- Hydrocodone-Acetaminophen71 claims
- Amoxicillin42 claims
- Meloxicam42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 82.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $146.22
2 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orthopedic And Sports Medicine Specialists OF Green Bay SCGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walker Flannery among 656 orthopaedic surgery physician records in Wisconsin
Walker Flannery, M.D. is one of 656 orthopaedic surgery physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2012 · median 2006 among the 401 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Wisconsin
There are 656 orthopaedic surgery physician records in Wisconsin.
All 656 in Wisconsin → Every provider in Green Bay → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Kirk Dimitris, MDGreen Bay, WI 543111518020429
- William Enright, M.D.Green Bay, WI 543111043269806
- James Grace, MDGreen Bay, WI 543111740367796
- Joel Hein, M.D.Green Bay, WI 543111689847790
- Jason Klein, MDGreen Bay, WI 543111922185990
- Brian Klika, MDGreen Bay, WI 543111881823599
- Daniel Linehan, MDGreen Bay, WI 543111992731186
- Jeremy Saller, M.D.Green Bay, WI 543111811150683
Common questions
What is Walker Flannery, M.D.'s NPI number?
Walker Flannery, M.D.'s National Provider Identifier (NPI) is 1891051538, issued on Apr 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Walker Flannery, M.D. located?
The NPPES record lists a practice address at 2223 Lime Kiln RD Ste 1, Green Bay, WI, 54311. Phone: (920) 430-8113. Providers update this record themselves, so call before visiting.
How can I verify Walker Flannery, M.D.'s license?
NPPES lists Wisconsin license number 61360-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Walker Flannery, M.D. prescribe under Medicare Part D?
In 2024, Walker Flannery, M.D. had 763 Medicare Part D claims for 306 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Walker Flannery, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.