Doctor profile · Federal record

Dr. Gregory Sims, PA

Medical Physician Assistant (CMS: Physician Assistant) · Medical Physician Assistant · Fort Collins, CO

  • NPI 1669937199
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4700 Lady Moon Dr
Fort Collins, CO 805284426
(970) 821-4500
fax (970) 744-5350
Additional location
1755 48Th St
Boulder, CO 803012711
(303) 604-5000
Additional location
3692 E Sunset RD
Las Vegas, NV 891207237
(702) 735-7668
fax (702) 735-1411

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
January 16, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State licenses (2)
Colorado #PA.0005651 · Nevada #PA2097

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669937199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
502
Distinct HCPCS
4
Medicare allowed
$44,585
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 335 229 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 126 110 $109
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $142
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $96

In context: peer comparison

Among 6 peers in this city , average services per provider: 65. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,101
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 7 $1,013.86
Lilly USA, LLC 1 $86.92

By nature of payment

Travel and Lodging
$886
Food and Beverage
$115
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
845
Patients
275
Total drug cost
$181,587
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 242 97 $4,138
Famotidine Generic 232 93 $3,603
Omeprazole Generic 148 51 $2,539
Linzess (Linaclotide) Brand 31 11 $26,404
Mesalamine Generic 30 11 $28,089
Cholestyramine (Cholestyramine (With Sugar)) Brand 25 12 $1,619
Mesalamine Er (Mesalamine) Brand 24 0 $9,299
Creon (Lipase/Protease/Amylase) Brand 22 0 $82,410
Ursodiol Generic 22 0 $4,271
Esomeprazole Magnesium Generic 17 0 $1,042

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Sims's medical specialty?
Dr. Gregory Sims practices Medical Physician Assistant in Fort Collins, CO.
Where does Dr. Gregory Sims practice?
Dr. Gregory Sims practices at 4700 Lady Moon Dr, Fort Collins, CO 805284426. Office phone: 9708214500.
What is Dr. Gregory Sims's NPI?
Dr. Gregory Sims's National Provider Identifier (NPI) is 1669937199, issued by NPPES.
Does Dr. Gregory Sims accept Medicare assignment?
Yes. Dr. Gregory Sims accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Sims commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.