Doctor profile · Federal record

Dr. Greg McGillivray, DC

Chiropractor (CMS: Chiropractic) · Duluth, MN

  • NPI 1699771337
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4602 Grand Ave Ste 1000
Duluth, MN 558072712
(218) 336-3520
fax (218) 324-6097
Additional location
2222 E 5Th St
Superior, WI 548803709
(715) 392-1955
fax (715) 392-1935
Mailing address
2222 E 5Th St
Superior, WI 548803709

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 29, 2024
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Minnesota #3296

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699771337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
1
Medicare allowed
$3,587
HCPCS Description Services Patients Avg allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions 131 27 $27

In context: peer comparison

Among 12 peers in Duluth Chiropractor, average services per provider: 174. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg McGillivray's medical specialty?
Dr. Greg McGillivray practices Chiropractor in Duluth, MN.
Where does Dr. Greg McGillivray practice?
Dr. Greg McGillivray practices at 4602 Grand Ave Ste 1000, Duluth, MN 558072712. Office phone: 2183363520.
What is Dr. Greg McGillivray's NPI?
Dr. Greg McGillivray's National Provider Identifier (NPI) is 1699771337, issued by NPPES.
Does Dr. Greg McGillivray accept Medicare assignment?
Yes. Dr. Greg McGillivray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg McGillivray commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.