Doctor profile · Federal record

Dr. Gregory Day

Surgical Critical Care Physician (CMS: General Surgery) · Surgery Physician · Surgery Physician · Colorado Springs, CO

  • NPI 1295024370
  • Accepts Medicare
  • MIPS 93.3 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 E Boulder St Ste 600
Colorado Springs, CO 809095533
(719) 364-6487
fax (719) 364-6488
Mailing address
2695 Rocky Mountain Avenue, Suite 150
Loveland, CO 805389071

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
July 24, 2017
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2086S0102X — NUCC code
State licenses (2)
Colorado #DR.0058888 · Illinois #125059546

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295024370. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
79
Distinct HCPCS
3
Medicare allowed
$11,344
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $128
99291 Critical care, first 30-74 minutes 26 19 $215
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 20 $80

In context: peer comparison

Among 4 peers in Colorado Springs Surgical Critical Care Physician, average services per provider: 26. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Day's medical specialty?
Dr. Gregory Day practices Surgical Critical Care Physician in Colorado Springs, CO.
Where does Dr. Gregory Day practice?
Dr. Gregory Day practices at 1400 E Boulder St Ste 600, Colorado Springs, CO 809095533. Office phone: 7193646487.
What is Dr. Gregory Day's NPI?
Dr. Gregory Day's National Provider Identifier (NPI) is 1295024370, issued by NPPES.
Does Dr. Gregory Day accept Medicare assignment?
Yes. Dr. Gregory Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Day commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.