Doctor profile · Federal record

Dr. William Hemmer, DC

Chiropractor (CMS: Chiropractic) · Tuscola, IL

  • NPI 1164611786
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
902 S Court St, Suite 2
Tuscola, IL 619532000
(217) 253-2370
fax (217) 253-6545

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Illinois #038-006250

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164611786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,777
Distinct HCPCS
1
Medicare allowed
$105,920
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 2,777 132 $38

In context: peer comparison

Among 2 peers in Tuscola Chiropractor, average services per provider: 1,639. This provider delivers 1.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Hemmer's medical specialty?
Dr. William Hemmer practices Chiropractor in Tuscola, IL.
Where does Dr. William Hemmer practice?
Dr. William Hemmer practices at 902 S Court St, Tuscola, IL 619532000. Office phone: 2172532370.
What is Dr. William Hemmer's NPI?
Dr. William Hemmer's National Provider Identifier (NPI) is 1164611786, issued by NPPES.
Does Dr. William Hemmer accept Medicare assignment?
Yes. Dr. William Hemmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hemmer commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.