Doctor profile · Federal record

Dr. Thomas Hanrahan, DC

Chiropractor (CMS: Chiropractic) · Saint Clair, MI

  • NPI 1871521534
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 Trumbull St
Saint Clair, MI 480795339
(810) 329-9121
fax (810) 329-3914

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Michigan #2301005229
Medicaid
MI #1982117

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871521534. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
964
Distinct HCPCS
1
Medicare allowed
$36,694
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 964 56 $38

In context: peer comparison

Among 3 peers in Saint Clair Chiropractor, average services per provider: 408. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Hanrahan's medical specialty?
Dr. Thomas Hanrahan practices Chiropractor in Saint Clair, MI.
Where does Dr. Thomas Hanrahan practice?
Dr. Thomas Hanrahan practices at 301 Trumbull St, Saint Clair, MI 480795339. Office phone: 8103299121.
What is Dr. Thomas Hanrahan's NPI?
Dr. Thomas Hanrahan's National Provider Identifier (NPI) is 1871521534, issued by NPPES.
Does Dr. Thomas Hanrahan accept Medicare assignment?
Yes. Dr. Thomas Hanrahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Hanrahan commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.