Doctor profile · Federal record

Dr. John Hamilton, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Park Ridge, IL

  • NPI 1457343931
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1775 Dempster St, Lutheran General Hospital / Pathology Department
Park Ridge, IL 600681143
(847) 723-2210
Mailing address
520 E 22Nd St
Lombard, IL 601486110

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
December 22, 2021
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Illinois #036066429

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457343931. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
196
Distinct HCPCS
3
Medicare allowed
$8,011
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 94 35 $36
86077 Blood bank physician services for cross match and/or evaluation and written report 72 72 $50
88342 Special stained specimen slides to examine tissue, initial procedure 30 22 $34

In context: peer comparison

Among 5 peers in Park Ridge Anatomic Pathology & Clinical Pathology Physician, average services per provider: 144. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hamilton's medical specialty?
Dr. John Hamilton practices Anatomic Pathology & Clinical Pathology Physician in Park Ridge, IL.
Where does Dr. John Hamilton practice?
Dr. John Hamilton practices at 1775 Dempster St, Park Ridge, IL 600681143. Office phone: 8477232210.
What is Dr. John Hamilton's NPI?
Dr. John Hamilton's National Provider Identifier (NPI) is 1457343931, issued by NPPES.
Does Dr. John Hamilton accept Medicare assignment?
Yes. Dr. John Hamilton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hamilton commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Blood bank physician services for cross match and/or evaluation and written report (HCPCS 86077); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.