NPPES file of Aug 9, 2026

Thorsteinn Skulason, M.D.

Dermatology Physician · Milwaukee, WI

Thorsteinn Skulason, M.D. is a dermatology physician with a practice address in Milwaukee, Wisconsin, and NPI 1275506081, issued on Feb 10, 2006. Check the license (Wisconsin 46417, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275506081
Name
Thorsteinn Skulason
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
46417 WI
Self-reported in NPPES; status is on the state search
Practice location
2350 N Lake Dr Ste 300, Milwaukee, WI 53211
Phone
(414) 298-7100
Enumerated
Feb 10, 2006
Record last updated
Jan 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(414) 298-7001
Medicaid ID
1275506081 WI
Medicare enrollment
Enrolled (PECOS I20040506000969); accepts Medicare assignment
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 2350 N Lake Dr Ste 300

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

  1. Jason Rosenberg, MDDermatology Physician1336179340

Verify Thorsteinn Skulason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 46417
    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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About as many Medicare Part D claims as the average dermatology physician in 2024

800 Medicare Part D claims for 277 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Thorsteinn Skulason800
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide131 claims
  2. Tacrolimus67 claims
  3. Betamethasone Dipropionate63 claims
  4. Fluocinolone Acetonide53 claims
  5. Metronidazole42 claims
  6. Humira(Cf) Pen36 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.5 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.

  1. Qualityout of 100 · 30% of the final score88.4
  2. Costout of 100 · 30%49.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $440.87

18 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.

  1. Thorsteinn Skulason$440.87
  2. Specialty average$8,544.61

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

  1. Madison Medical Affiliates IncMilwaukee, WI

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

Thorsteinn Skulason among 325 dermatology physician records in Wisconsin

Thorsteinn Skulason, M.D. 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 57% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1988 · median 2009 among the 228 with a school on file
  • Record last updated2021 · 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.

The 8 dermatology physician records with the nearest ZIP codes

  1. Tracy Donahue, M.D.Milwaukee, WI 532111114230935
  2. Jason Rosenberg, MDMilwaukee, WI 532111336179340
  3. Debra Scarlett, MDMilwaukee, WI 532111700802923
  4. Heather Wells-Holtey, MDMilwaukee, WI 532111447320403
  5. Evonne Winston, M.D.Milwaukee, WI 532111912990466
  6. Atif Ahmed, M.D.Milwaukee, WI 532121437396116
  7. Michelle Bayer, M.D.Milwaukee, WI 532091972893154
  8. George Bonadurer, MDMilwaukee, WI 532091275037806

Common questions

What is Thorsteinn Skulason, M.D.'s NPI number?

Thorsteinn Skulason, M.D.'s National Provider Identifier (NPI) is 1275506081, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thorsteinn Skulason, M.D. located?

The NPPES record lists a practice address at 2350 N Lake Dr Ste 300, Milwaukee, WI, 53211. Phone: (414) 298-7100. Providers update this record themselves, so call before visiting.

How can I verify Thorsteinn Skulason, M.D.'s license?

NPPES lists Wisconsin license number 46417, 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 Thorsteinn Skulason, M.D. prescribe under Medicare Part D?

In 2024, Thorsteinn Skulason, M.D. had 800 Medicare Part D claims for 277 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Thorsteinn Skulason, M.D.'s MIPS final score?

The 2023 MIPS final score is 81.5 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.