Kevin L. O'Halloran, MD
Orthopaedic Surgery Physician · Watertown, WI
Kevin L. O'Halloran, MD is an orthopaedic surgery physician with a practice address in Watertown, Wisconsin, and NPI 1821007022, issued on Aug 5, 2006. Check the license (Wisconsin 34258, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kevin L. O'Halloran
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 34258 WI
Self-reported in NPPES; status is on the state search - Practice location
- 123 Hospital Dr, Watertown, WI 53098
- Phone
- (920) 206-6500
- Enumerated
- Aug 5, 2006
- Record last updated
- Sep 7, 2023
- Fax
- (920) 261-4013
- Medicaid ID
- 31932100 WI
- Medicare enrollment
- Enrolled (PECOS I20040318000668); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 656 in Wisconsin → Look up another NPI →
Also registered at 123 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kevin L. O'Halloran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 34258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $872.52
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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
- Dean Health Systems IncJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin L. O'Halloran among 656 orthopaedic surgery physician records in Wisconsin
Kevin L. O'Halloran, MD 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 41% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1987 · median 2006 among the 401 with a school on file
- Record last updated2023 · 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 Watertown → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Steven Rhodes, M.D.Watertown, WI 530981467426452
- Richard Karr, MDMequon, WI 530971114958600
- Timothy Mullin, M.D.West Bend, WI 530951588752307
- Mark OmearaWest Bend, WI 530951568544393
- Timothy Schultz, M.D.West Bend, WI 530951225010689
- Joseph Davies, MDMequon, WI 530921891754008
- Domenic Pulito, M.D.Mequon, WI 530921871599712
- Michael Dussault, MDBurlington, WI 531051285749440
Common questions
What is Kevin L. O'Halloran, MD's NPI number?
Kevin L. O'Halloran, MD's National Provider Identifier (NPI) is 1821007022, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin L. O'Halloran, MD located?
The NPPES record lists a practice address at 123 Hospital Dr, Watertown, WI, 53098. Phone: (920) 206-6500. Providers update this record themselves, so call before visiting.
How can I verify Kevin L. O'Halloran, MD's license?
NPPES lists Wisconsin license number 34258, 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.
What is Kevin L. O'Halloran, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.