David D. Nelsen, MD
Dermatology Physician · Janesville, WI
David D. Nelsen, MD is a dermatology physician with a practice address in Janesville, Wisconsin, and NPI 1417184169, issued on Jun 19, 2009. Check the license (Wisconsin 54912-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David D. Nelsen
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 54912-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3524 E Milwaukee St, Janesville, WI 53546
- Phone
- (608) 756-7217
- Enumerated
- Jun 19, 2009
- Record last updated
- Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (608) 756-4700
- Medicaid ID
- 1417184169 WI
- Medicare enrollment
- Enrolled (PECOS I20230209002213); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2009
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 325 in Wisconsin → Look up another NPI →
Also registered at 3524 E Milwaukee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Augustian, MDPediatrics Physician1295259513
- Hamid Bashir, MDRheumatology Physician1225257694
- Ryndon Bautista, M.D.Internal Medicine Physician1225230170
Verify David D. Nelsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 54912-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average dermatology physician in 2024
2,148 Medicare Part D claims for 717 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Triamcinolone Acetonide267 claims
- Ketoconazole215 claims
- Clobetasol Propionate159 claims
- Finasteride150 claims
- Mupirocin121 claims
- Mometasone Furoate109 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.
Industry payments in 2024: $176,859.86
266 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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 2 group practices
- Mercy Health System CorporationWoodstock, IL
- Rockford Health PhysiciansLoves Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David D. Nelsen among 325 dermatology physician records in Wisconsin
David D. Nelsen, MD is one of 325 dermatology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2009 · median 2009 among the 228 with a school on file
- Record last updated2018 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Wisconsin
There are 325 dermatology physician records in Wisconsin.
All 325 in Wisconsin → Every provider in Janesville → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Lauren Craddock, M.D.Janesville, WI 535461518223148
- Kristi Knuijt, MDJanesville, WI 535461619928918
- Bruce Pearson, MDJanesville, WI 535481518919919
- C. Conley, M.D.Fort Atkinson, WI 535381578587598
- Robert Glinert, MDFort Atkinson, WI 535381144271404
- Martin OkunFort Atkinson, WI 535381598144867
- Jennifer Peterson, MDDodgeville, WI 535331700841178
- Eric Anderson, MDMonroe, WI 535661184645616
Common questions
What is David D. Nelsen, MD's NPI number?
David D. Nelsen, MD's National Provider Identifier (NPI) is 1417184169, issued on Jun 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David D. Nelsen, MD located?
The NPPES record lists a practice address at 3524 E Milwaukee St, Janesville, WI, 53546. Phone: (608) 756-7217. Providers update this record themselves, so call before visiting.
How can I verify David D. Nelsen, MD's license?
NPPES lists Wisconsin license number 54912-20, 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 David D. Nelsen, MD prescribe under Medicare Part D?
In 2024, David D. Nelsen, MD had 2,148 Medicare Part D claims for 717 beneficiaries; the average among dermatology physician prescribers was 797. 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.