Doctor profile · Federal record

Dr. Colin Grissom, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Murray, UT

  • NPI 1124044532
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5121 S Cottonwood St
Murray, UT 841075701
(801) 507-4602
Additional location
400 C St
Salt Lake City, UT 841431005
(801) 408-3574
Mailing address
Po Box 27128
Salt Lake City, UT 841270128

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 7, 2024
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Utah #269434-1205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124044532. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
3
Medicare allowed
$10,700
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 46 25 $114
99291 Critical care, first 30-74 minutes 21 14 $205
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 14 $76

In context: peer comparison

Among 7 peers in this city , average services per provider: 39. This provider delivers 2.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Colin Grissom's medical specialty?
Dr. Colin Grissom practices Critical Care Medicine (Internal Medicine) Physician in Murray, UT.
Where does Dr. Colin Grissom practice?
Dr. Colin Grissom practices at 5121 S Cottonwood St, Murray, UT 841075701. Office phone: 8015074602.
What is Dr. Colin Grissom's NPI?
Dr. Colin Grissom's National Provider Identifier (NPI) is 1124044532, issued by NPPES.
Does Dr. Colin Grissom accept Medicare assignment?
Yes. Dr. Colin Grissom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin Grissom commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.