Nicholas Zajdel, MD
NPI 1629430210 · Dermatology Physician · Brookfield, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Zajdel, MD is a Dermatology Physician provider in Brookfield, WI (NPI 1629430210).
Provider details
- NPI number
- 1629430210
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6355-851 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,382 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 379 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 284 | $86 |
| Biopsy of Related Skin Growth, First Growth11102 | 159 | $87 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 125 | $49 |
| Destruction of Skin Growth, 1-14 Growths17110 | 118 | $106 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 159 | 99 |
| Ketoconazole | 111 | 46 |
| Triamcinolone Acetonide | 94 | 63 |
| Fluorouracil | 45 | 42 |
| Prednisone | 42 | 22 |
| Minoxidil | 35 | — |
| Spironolactone | 29 | — |
| Doxycycline Monohydrate | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-23
- Last updated
- 2020-07-23
- Certified
- 2020-07-23
Frequently asked questions
- What is Nicholas Zajdel's NPI number?
- Nicholas Zajdel's National Provider Identifier (NPI) is 1629430210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Zajdel's specialty?
- Nicholas Zajdel is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Zajdel located?
- Nicholas Zajdel's practice location on file with NPPES is 13800 W North Ave Ste 100, Brookfield, WI 53005-4977.
- What is Nicholas Zajdel's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Zajdel is (262) 754-4488.
- Does Nicholas Zajdel accept Medicare?
- Nicholas Zajdel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Zajdel's NPI active?
- Yes — Nicholas Zajdel's NPI (1629430210) is active in the NPPES registry as of the last update on 2020-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.