Leah Toppel Nelson, PA
- Medicare services, 2024
- 434
- Medicare patients, 2024
- 172
- Part D claims, 2024
- 406
- MIPS score, 2024
- 91
- Affiliated sites
- 1
- Practice address
- 13800 W North Ave, Brookfield, WI 53005
- Practice phone
- Call (262) 754-4488
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Affiliated Dermatologists SC
Brookfield, Wisconsin
Find Leah Nelson's professional email, personal email and mobile number
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Leah Toppel Nelson is a dermatologist in Brookfield, Wisconsin
Leah Nelson practices at Affiliated Dermatologists SC in Brookfield, Wisconsin.
Leah Nelson's NPI, 1912239658, was assigned on February 5, 2010. Leah Nelson holds Wisconsin license 4183.
- NPI
- 1912239658NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860768165
- NPI enumeration date
- February 5, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 754-4488
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Leah Toppel Nelson practices at Affiliated Dermatologists SC in Brookfield, Wisconsin
Leah Nelson's primary practice is Affiliated Dermatologists SC, at 13800 W North Ave, Brookfield, WI 53005 in Waukesha County. The practice phone is (262) 754-4488.
- Affiliated Dermatologists SC13800 W North Ave, Brookfield, WI 53005 · Waukesha CountyPhone(262) 754-4488
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Leah Toppel Nelson is affiliated with 2 sites of care and 1 medical group
Leah Nelson's primary practice is Affiliated Dermatologists SC in Brookfield, Wisconsin. The medical group on file is Affiliated Dermatologists. Dmand AI also links Leah Nelson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Leah Toppel Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leah Nelson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Affiliated Dermatologists SC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Leah Toppel Nelson is one of 436 dermatologists in Wisconsin
Dermatology is Leah Nelson's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Leah Nelson's licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Dermatology, WisconsinPrimary
- Medical physician assistant, Illinois
Dermatologists near Leah Nelson
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Leah Toppel Nelson billed Medicare for 434 services in 2024
CMS data shows 434 Medicare services from Leah Nelson across 7 procedure codes in 2024, for 172 Medicare patients. Medicare paid $17,132 for them. Every service was in an office.
Leah Nelson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2492024: 2452%
- Office and hospital visits
- 2023: 2052024: 1898%
Leah Nelson compared with the Wisconsin median for dermatologists, 2024
- Leah Nelson
- Wisconsin median
- Medicare services
- 434vs 1,89377% below
- Medicare patients
- 172vs 51867% below
- Part D claims
- 324vs 51837% below
Medians across 439 dermatologists in Wisconsin with Dmand AI profiles that report each measure.
Leah Nelson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Leah Toppel Nelson treated 172 Medicare patients in 2024, average age 75
CMS counts 172 Medicare patients who saw Leah Nelson in 2024. The largest group is 65 to 74, with 82 patients. 69% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Leah Nelson's median patient age at 70, with 74% women.
Leah Nelson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Leah Nelson's Medicare patients by sex, 2024
- Women13981%
- Men3319%
Chronic conditions among Leah Nelson's Medicare patients, 2024
- High cholesterol69%
- High blood pressure60%
- Arthritis48%
- Anxiety22%
- Osteoporosis19%
- Atrial fibrillation17%
- Chronic kidney disease17%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Leah Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Leah Toppel Nelson wrote 406 Medicare Part D claims in 2024
In 2024, Leah Nelson wrote 406 Medicare Part D claims for 192 patients. 94% of them were for generic drugs. CMS names the drug for 324 of them, across 11 drugs with 11 or more claims each, at $7,311 in total drug cost. In 2023, CMS named 311 claims across 10 drugs.
Leah Nelson's Part D claims by kind of drug, 2024
- Generic380 claims94%
- Brand-name26 claims6%
Leah Nelson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Leah Nelson's Part D claims, 2024
- Antibiotics6%26 of 406 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3112024: 3244%
Drugs named by CMS: 11 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Leah Toppel Nelson scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Leah Nelson for performance year 2024, reported as part of a group. Leah Nelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Leah Nelson's MIPS scores, performance year 2024
- 91of 100Final score
- 90.6of 100Quality
- 40of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Leah Toppel Nelson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Leah Toppel Nelson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leah Toppel Nelson's NPI number?
Leah Toppel Nelson's NPI number is 1912239658. It was assigned on February 5, 2010, and it is active in the NPI Registry.
What does Leah Toppel Nelson specialize in?
Leah Toppel Nelson is a dermatologist in Brookfield, Wisconsin. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Leah Toppel Nelson practice?
Leah Nelson practices at 13800 W North Ave, Brookfield, WI 53005. Leah Nelson's primary practice is Affiliated Dermatologists SC in Brookfield, Wisconsin. Dmand AI also links Leah Nelson to 1 group practice or clinic.
What is Leah Toppel Nelson's office phone number?
The practice phone on file for Leah Nelson is (262) 754-4488.
What is Leah Toppel Nelson's medical license number?
Leah Nelson holds Wisconsin license 4183, one of the licenses on file in 2 states.
Which states has Leah Toppel Nelson been licensed in?
Dmand AI has state licenses on file for Leah Nelson in Wisconsin and Illinois.
What medical group is Leah Toppel Nelson part of?
Leah Nelson is linked to Affiliated Dermatologists.
Does Leah Toppel Nelson accept Medicare?
Yes. CMS data shows Leah Nelson billed Medicare for 434 services in 2024, and Leah Nelson accepts Medicare assignment.
What is Leah Toppel Nelson's MIPS score?
Leah Nelson's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Leah Toppel Nelson see?
CMS counts 172 Medicare patients who saw Leah Nelson in 2024, with an average age of 75.
Show 3 more questionsShow fewer questions
What services does Leah Toppel Nelson bill to Medicare?
In 2024, Leah Nelson's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (11102).
What drugs does Leah Toppel Nelson prescribe most?
In 2024 Medicare Part D data, Leah Nelson's most prescribed drugs by claims were Triamcinolone Acetonide, Hydrocortisone and Ketoconazole.
How long has Leah Toppel Nelson been practicing?
Leah Nelson graduated from medical school in 2009, 17 years ago.
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