Doctor profile · Federal record

Dr. Rex Marley, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Fort Collins, CO

  • NPI 1518955798
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1236 E Elizabeth St, Suite 1
Fort Collins, CO 805244000
(970) 224-2985
fax (970) 472-9381

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 14, 2011
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Colorado #CRA-744 · Colorado #72658
Medicaid (2)
CO #07726581 · WY #108530100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518955798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
425
Distinct HCPCS
7
Medicare allowed
$40,271
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 195 178 $116
J2250 Injection, midazolam hydrochloride, per 1 mg 153 64 $0
01402 Anesthesia for procedure for total knee joint replacement 20 20 $300
01638 Anesthesia for open or endoscopic total shoulder joint replacement 17 17 $347
J3010 Injection, fentanyl citrate, 0.1 mg 16 15 $1
00140 Anesthesia for other procedure on eye 12 12 $161
01214 Anesthesia for total hip replacement 12 12 $310

In context: peer comparison

Among 32 peers in this city , average services per provider: 33. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $34.15

By nature of payment

Food and Beverage
$34

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rex Marley's medical specialty?
Dr. Rex Marley practices Certified Registered Nurse Anesthetist in Fort Collins, CO.
Where does Dr. Rex Marley practice?
Dr. Rex Marley practices at 1236 E Elizabeth St, Fort Collins, CO 805244000. Office phone: 9702242985.
What is Dr. Rex Marley's NPI?
Dr. Rex Marley's National Provider Identifier (NPI) is 1518955798, issued by NPPES.
Does Dr. Rex Marley accept Medicare assignment?
Yes. Dr. Rex Marley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rex Marley commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Injection, midazolam hydrochloride, per 1 mg (HCPCS J2250); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.