Stefan Vanderweil, M.D.
NPI 1811251465 · Dermatology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stefan Vanderweil, M.D. is a Dermatology Physician provider in Chicago, IL (NPI 1811251465).
Provider details
- NPI number
- 1811251465
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036.140140 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Minoxidil | 231 | 86 |
| Clobetasol Propionate | 181 | 85 |
| Fluorouracil | 146 | 127 |
| Fluocinonide | 106 | 56 |
| Hydrocortisone | 99 | 57 |
| Finasteride | 77 | 30 |
| Ketoconazole | 56 | 26 |
| Triamcinolone Acetonide | 49 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-28
- Last updated
- 2025-09-11
Frequently asked questions
- What is Stefan Vanderweil's NPI number?
- Stefan Vanderweil's National Provider Identifier (NPI) is 1811251465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stefan Vanderweil's specialty?
- Stefan Vanderweil is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Stefan Vanderweil located?
- Stefan Vanderweil's practice location on file with NPPES is 676 N Saint Clair St, Chicago, IL 60611-2927.
- What is Stefan Vanderweil's phone number?
- The practice phone number listed in the NPPES registry for Stefan Vanderweil is (312) 695-8106.
- Does Stefan Vanderweil accept Medicare?
- Stefan Vanderweil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stefan Vanderweil's NPI active?
- Yes — Stefan Vanderweil's NPI (1811251465) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.