Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

John Ozolek, MD

Sees patients in Indianapolis, IN · Indiana

Summary

John Ozolek, MD (Pathology) is enrolled with Medicare at 1 practice location in Indianapolis, IN. NPI 1639144256. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John Ozolek, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
MaleGender (as listed)

Quick answers

Where does John Ozolek see patients?
Medicare's clinician data lists 1 practice location in Indianapolis, IN. Call before your visit to confirm the address.
What is John Ozolek's specialty?
Medicare lists Pathology as the primary specialty.
Does John Ozolek accept Medicare assignment?
Yes. Medicare's clinician data says John Ozolek accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is John Ozolek's NPI number?
1639144256. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where John Ozolek is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Pathology doctors in Indiana →

Other pathologists in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All pathologists in Indianapolis →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639144256
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians