Doctor profile · Federal record

Dr. Timothy Wysozan, MD

Dermatopathology (Pathology) Physician (CMS: Pathology) · Dermatopathology Physician · Dermatopathology (Pathology) Physician · Naperville, IL

  • NPI 1992202717
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1220 Hobson RD Ste 244
Naperville, IL 605408138
(630) 780-7729

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
April 16, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207ZD0900X — NUCC code
State licenses (2)
Illinois #036163174 · Indiana #01087075A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992202717. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,067
Distinct HCPCS
10
Medicare allowed
$73,758
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,051 730 $38
88305 Pathology examination of tissue using a microscope, intermediate complexity 429 213 $37
86334 Immunologic analysis technique on serum (immunofixation) 83 76 $18
84165 Protein measurement, serum 81 74 $18
88341 Special stained specimen slides to examine tissue, each additional procedure 77 22 $28
88342 Special stained specimen slides to examine tissue, initial procedure 58 46 $35
88304 Pathology examination of tissue using a microscope, moderately low complexity 53 44 $11
88307 Pathology examination of tissue using a microscope, moderately high complexity 49 27 $82
88342 Special stained specimen slides to examine tissue, initial procedure 38 32 $47
88312 Special stained specimen slides to identify organisms including interpretation and report 34 12 $26

In context: peer comparison

Among 2 peers in Naperville Dermatopathology (Pathology) Physician, average services per provider: 285. This provider delivers 7.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Wysozan's medical specialty?
Dr. Timothy Wysozan practices Dermatopathology (Pathology) Physician in Naperville, IL.
Where does Dr. Timothy Wysozan practice?
Dr. Timothy Wysozan practices at 1220 Hobson RD Ste 244, Naperville, IL 605408138. Office phone: 6307807729.
What is Dr. Timothy Wysozan's NPI?
Dr. Timothy Wysozan's National Provider Identifier (NPI) is 1992202717, issued by NPPES.
Does Dr. Timothy Wysozan accept Medicare assignment?
Yes. Dr. Timothy Wysozan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Wysozan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Immunologic analysis technique on serum (immunofixation) (HCPCS 86334). Source: CMS Medicare Physician & Other Practitioners file.