Timothy Wysozan, MD
NPI 1992202717 · Dermatopathology (Pathology) Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Wysozan, MD is a Dermatopathology (Pathology) Physician provider in Naperville, IL (NPI 1992202717).
Provider details
- NPI number
- 1992202717
- Entity type
- Individual
- Primary specialty
- Dermatopathology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036163174 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,187 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,929 | $43 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,372 | $36 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 297 | $17 |
| Protein Measurement, Serum84165 | 296 | $17 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 249 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 151 | $34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-09
- Last updated
- 2024-04-16
- Certified
- 2024-04-16
Frequently asked questions
- What is Timothy Wysozan's NPI number?
- Timothy Wysozan's National Provider Identifier (NPI) is 1992202717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Wysozan's specialty?
- Timothy Wysozan is listed in the NPPES registry with a primary specialty of Dermatopathology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Wysozan located?
- Timothy Wysozan's practice location on file with NPPES is 1220 Hobson Rd Ste 244, Naperville, IL 60540-8138.
- What is Timothy Wysozan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Wysozan is (630) 780-7729.
- Does Timothy Wysozan accept Medicare?
- Timothy Wysozan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Wysozan's NPI active?
- Yes — Timothy Wysozan's NPI (1992202717) is active in the NPPES registry as of the last update on 2024-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.