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

Pathology

Avi Bitterman

Sees patients in Orland Park, IL · Iselin, NJ · Neptune, NJ … · Illinois, New Jersey, Pennsylvania

Summary

Avi Bitterman (Pathology) is enrolled with Medicare at 5 practice locations in Orland Park, IL, Iselin, NJ and Neptune, NJ and other places. NPI 1851755490. 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 Avi Bitterman, 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
1Years since medical school (graduated 2025)
MaleGender (as listed)
NJ Certified Dermatology PCGroup practice (+1 more)

Quick answers

Where does Avi Bitterman see patients?
Medicare's clinician data lists 5 practice locations, including Orland Park, IL, Iselin, NJ and Neptune, NJ. Call before your visit to confirm the address.
What is Avi Bitterman's specialty?
Medicare lists Pathology as the primary specialty.
Does Avi Bitterman accept Medicare assignment?
Yes. Medicare's clinician data says Avi Bitterman 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 the phone number for Avi Bitterman?
(708) 636-3767, as listed in official Medicare / NPI Registry data.
What is Avi Bitterman's NPI number?
1851755490. 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 Avi Bitterman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Avi Bitterman as a member of these groups (CMS data updated 2026-10-02).

  • NJ Certified Dermatology PC40 clinicians in the group
  • Bielinski Dermatology Group LLC11 clinicians in the group

Specialties

Find other Pathology doctors in Illinois →

Other pathologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All pathologists in Illinois →

Clinician information

Graduation year2025
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851755490
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