Leah Toppel Nelson, PA
Dermatology Physician · Brookfield, WI
Leah Toppel Nelson, PA is a dermatology physician with a practice address in Brookfield, Wisconsin, and NPI 1912239658, issued on Feb 5, 2010. Check the license (Wisconsin 4183, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leah Toppel Nelson
- Credential
- PA
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 4183 WI
085003533 IL
Self-reported in NPPES; status is on the state search - Practice location
- 13800 W North Ave Ste 100, Brookfield, WI 53005
- Phone
- (262) 754-4488
- Enumerated
- Feb 5, 2010
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171031001787); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 325 in Wisconsin → Look up another NPI →
Also registered at 13800 W North Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manish Gharia, MDDermatology Physician1376565267
- Jacquelyn Majerowski, M.D.Dermatology Physician1982067120
- Laura Ozimek, PA-CPhysician Assistant1720215353
- Steven Schuckit, M.D.Dermatology Physician1629395348
- Marki Swick, MDDermatology Physician1528562956
- Nicholas Zajdel, MDDermatology Physician1629430210
Verify Leah Toppel Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 4183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average dermatology physician in 2024
406 Medicare Part D claims for 192 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Triamcinolone Acetonide55 claims
- Hydrocortisone54 claims
- Ketoconazole51 claims
- Metronidazole26 claims
- Mupirocin26 claims
- Betamethasone Diprop Augmented24 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): 87.1 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).
Bills Medicare through one group practice
- Affiliated Dermatologists SCBrookfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leah Toppel Nelson among 325 dermatology physician records in Wisconsin
Leah Toppel Nelson, PA 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 2010, is newer than 55% of them.
- NPI issued2010 · 55% of these records are older, 42% 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 Brookfield → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- John Cantieri, MDBrookfield, WI 530051952376808
- Manish Gharia, MDBrookfield, WI 530051376565267
- Kristina Kleven, MDBrookfield, WI 530051518950153
- Mandi Maronn, MDBrookfield, WI 530051619046026
- Mareshia MotarjemeBrookfield, WI 530051992881361
- Marie Nakata, MDBrookfield, WI 530051962477836
- Sun Young Ruggeri, MDBrookfield, WI 530051427121979
- Thomas Russell, MDBrookfield, WI 530051528051166
Common questions
What is Leah Toppel Nelson, PA's NPI number?
Leah Toppel Nelson, PA's National Provider Identifier (NPI) is 1912239658, issued on Feb 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Leah Toppel Nelson, PA located?
The NPPES record lists a practice address at 13800 W North Ave Ste 100, Brookfield, WI, 53005. Phone: (262) 754-4488. Providers update this record themselves, so call before visiting.
How can I verify Leah Toppel Nelson, PA's license?
NPPES lists Wisconsin license number 4183, 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 Leah Toppel Nelson, PA prescribe under Medicare Part D?
In 2024, Leah Toppel Nelson, PA had 406 Medicare Part D claims for 192 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Leah Toppel Nelson, PA's MIPS final score?
The 2023 MIPS final score is 87.1 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.