NPPES file of Aug 9, 2026

Dennis J. Andersen, M.D.

Orthopaedic Hand Surgery Physician · Franklin, WI

Dennis J. Andersen, M.D. is an orthopaedic hand surgery physician with a practice address in Franklin, Wisconsin, and NPI 1831123249, issued on Jul 10, 2006. Check the license (Wisconsin 36661, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831123249
Name
Dennis J. Andersen
Credential
M.D.
Primary taxonomy
Orthopaedic Hand Surgery Physician 207XS0106X
License number
36661 WI
Self-reported in NPPES; status is on the state search
Practice location
9120 W Loomis RD, Franklin, WI 53132
Phone
(262) 939-9318
Enumerated
Jul 10, 2006
Record last updated
Jul 21, 2025
Fax
(608) 756-8617
Medicaid ID
32151200 WI
Medicare enrollment
Enrolled (PECOS I20070319000601); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9120 W Loomis RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Todd Barnhardt, M.D.Orthopaedic Surgery Physician1669402731
  2. David Clark, MDOrthopaedic Hand Surgery Physician1801958434
  3. Margaret Dimiceli, MS/OTROccupational Therapist1730416926
  4. Joshua Howard, MSPTPhysical Therapist1407972086
  5. Angela Kochanik-Pirelli, APNPNurse Practitioner1659825701
  6. Lloyd Munson, OTOccupational Therapist1679775860

Verify Dennis J. Andersen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36661
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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13% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024

161 Medicare Part D claims for 102 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 95 claims were for opioids.

  1. Dennis Andersen161
  2. Specialty average186

Most prescribed

  1. Hydrocodone-Acetaminophen63 claims
  2. Meloxicam40 claims
  3. Oxycodone-Acetaminophen16 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.

Bills Medicare through 3 group practices

  1. Advantage Physical Therapy And Sports Rehab, LLCKenosha, WI
  2. Aurora Advanced Healthcare, Inc.Mequon, WI
  3. Aurora Medical Group, Inc.Milwaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dennis J. Andersen among 56 orthopaedic hand surgery physician records in Wisconsin

Dennis J. Andersen, M.D. is one of 56 orthopaedic hand surgery physician records with a practice address in Wisconsin. 91% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 43% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1989 · median 2004 among the 44 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0106X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Hand Surgery Physician providers in Wisconsin

There are 56 orthopaedic hand surgery physician records in Wisconsin.

The 8 orthopaedic hand surgery physician records with the nearest ZIP codes

  1. David Clark, MDFranklin, WI 531321801958434
  2. Mysore Shivaram, MDFranklin, WI 531321750318903
  3. Steven Trinkl, MDFranklin, WI 531321225132210
  4. Joshua Gershtenson, MDKenosha, WI 531421962483982
  5. Bradley Fideler, MDLake Geneva, WI 531471629153077
  6. John Siegert, M.D.Mequon, WI 530921013989185
  7. Greg Watchmaker, MDMequon, WI 530921275564221
  8. John Bolger, M.D.Waukesha, WI 531881619958022

Common questions

What is Dennis J. Andersen, M.D.'s NPI number?

Dennis J. Andersen, M.D.'s National Provider Identifier (NPI) is 1831123249, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis J. Andersen, M.D. located?

The NPPES record lists a practice address at 9120 W Loomis RD, Franklin, WI, 53132. Phone: (262) 939-9318. Providers update this record themselves, so call before visiting.

How can I verify Dennis J. Andersen, M.D.'s license?

NPPES lists Wisconsin license number 36661, 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 Dennis J. Andersen, M.D. prescribe under Medicare Part D?

In 2024, Dennis J. Andersen, M.D. had 161 Medicare Part D claims for 102 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.

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.