Doctor profile · Federal record

Dr. James Marquart

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Phoenix, AZ

  • NPI 1376514893
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6501 N 19Th Ave
Phoenix, AZ 850151646
(602) 795-6020
Additional location
455 Liberty St
Ashland, OR 975203041
(503) 871-0412
Mailing address
455 Liberty St
Ashland, OR 975203041

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
May 8, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Arizona #CRNA0431 · Oregon #200060018CRNA

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376514893. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
438
Distinct HCPCS
1
Medicare allowed
$47,914
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 438 349 $109

In context: peer comparison

Among 73 peers in Phoenix Certified Registered Nurse Anesthetist, average services per provider: 40. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Marquart's medical specialty?
Dr. James Marquart practices Certified Registered Nurse Anesthetist in Phoenix, AZ.
Where does Dr. James Marquart practice?
Dr. James Marquart practices at 6501 N 19Th Ave, Phoenix, AZ 850151646. Office phone: 6027956020.
What is Dr. James Marquart's NPI?
Dr. James Marquart's National Provider Identifier (NPI) is 1376514893, issued by NPPES.
Does Dr. James Marquart accept Medicare assignment?
Yes. Dr. James Marquart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Marquart commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.