Doctor profile · Federal record

Dr. Gabriel O'Brien, B.S., D.C.

Chiropractor (CMS: Chiropractic) · Muskegon, MI

  • NPI 1265589683
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1519 E River RD, Ste. B
Muskegon, MI 494458591
(231) 744-6400
fax (231) 744-6464

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
November 6, 2012
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Michigan #20-2940144
Medicaid
MI #4836767

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265589683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
284
Distinct HCPCS
1
Medicare allowed
$10,270
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 284 20 $36

In context: peer comparison

Among 6 peers in this city , average services per provider: 310. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gabriel O'Brien's medical specialty?
Dr. Gabriel O'Brien practices Chiropractor in Muskegon, MI.
Where does Dr. Gabriel O'Brien practice?
Dr. Gabriel O'Brien practices at 1519 E River RD, Muskegon, MI 494458591. Office phone: 2317446400.
What is Dr. Gabriel O'Brien's NPI?
Dr. Gabriel O'Brien's National Provider Identifier (NPI) is 1265589683, issued by NPPES.
Does Dr. Gabriel O'Brien accept Medicare assignment?
Dr. Gabriel O'Brien does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gabriel O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.