Doctor profile · Federal record

Dr. Grey Gardner, DC

Chiropractor (CMS: Chiropractic) · Billings, MT

  • NPI 1750339164
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1644 Broadwater Ave
Billings, MT 59102
(406) 656-7000
fax (406) 656-8729

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 26, 2013
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Montana #645

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750339164. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,000
Distinct HCPCS
2
Medicare allowed
$28,947
HCPCS Description Services Patients Avg allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions 872 97 $27
98941 Chiropractic manipulative treatment, 3-4 spinal regions 128 14 $39

In context: peer comparison

Among 16 peers in this city , average services per provider: 371. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Grey Gardner's medical specialty?
Dr. Grey Gardner practices Chiropractor in Billings, MT.
Where does Dr. Grey Gardner practice?
Dr. Grey Gardner practices at 1644 Broadwater Ave, Billings, MT 59102. Office phone: 4066567000.
What is Dr. Grey Gardner's NPI?
Dr. Grey Gardner's National Provider Identifier (NPI) is 1750339164, issued by NPPES.
Does Dr. Grey Gardner accept Medicare assignment?
Yes. Dr. Grey Gardner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grey Gardner commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940); Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.