Doctor profile · Federal record

Dr. Luke Day

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Fort Collins, CO

  • NPI 1578723193
  • Accepts Medicare
  • MIPS 88.6 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1024 S. Lemay Ave.
Fort Collins, CO 805243929
(970) 495-7000
fax (303) 306-7753
Mailing address
P.O. Box 912215
Denver, CO 802912215

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
January 6, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Colorado #DR.0055732 · California #A131426
Medicaid
CO #41155301

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578723193. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
237
Distinct HCPCS
4
Medicare allowed
$28,744
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 94 93 $176
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 62 57 $8
99284 Emergency department visit with moderate level of medical decision making 61 59 $121
99291 Critical care, first 30-74 minutes 20 20 $215

In context: peer comparison

Among 33 peers in Fort Collins Emergency Medicine Physician, average services per provider: 97. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$110
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, INC. 1 $109.54

By nature of payment

Food and Beverage
$110

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Luke Day's medical specialty?
Dr. Luke Day practices Emergency Medicine Physician in Fort Collins, CO.
Where does Dr. Luke Day practice?
Dr. Luke Day practices at 1024 S. Lemay Ave., Fort Collins, CO 805243929. Office phone: 9704957000.
What is Dr. Luke Day's NPI?
Dr. Luke Day's National Provider Identifier (NPI) is 1578723193, issued by NPPES.
Does Dr. Luke Day accept Medicare assignment?
Yes. Dr. Luke Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Luke Day commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.