Individual provider Active NPI

James Marquart

  • Certified Registered Nurse Anesthetist
  • Phoenix, AZ
National Provider Identifier
1376514893
Registry record updated May 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
CRNA0431 Issued in AZ
Practice address
6501 N 19TH Ave
Phoenix, AZ 85015-1646
Phone
(602) 795-6020
NPI assigned
Feb 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 8, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 200060018CRNA OR
Certified Registered Nurse Anesthetist 367500000X CRNA0431 AZ Primary

Addresses

Primary practice location

6501 N 19TH Ave
Phoenix, AZ 85015-1646

Mailing address

455 Liberty St
Ashland, OR 97520-3041
Phone (503) 871-0412

Other practice location 1

455 Liberty St
Ashland, OR 97520-3041
Phone (503) 871-0412

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, AZ2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050107000275 OR Practitioner - Certified Registered Nurse Anesthetist (Crna) 2567351588 Reassigns benefits to 4 organizations
I20250519002028 AZ Practitioner - Certified Registered Nurse Anesthetist (Crna) 2567351588 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Guide Anesthesia Az LLCGroup PAC ID 1355846106, 102 clinicians

Practice addresses (Care Compare)

6501 N 19TH Ave
Phoenix, AZ 85015-1646
Phone (602) 795-6020

Hospital & facility affiliations

  • The Core Institute Specialty Hosp Hospital, Phoenix, AZ, CCN 030108

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
CRNA0431AZMDCertified Registered Nurse Anesthetist
200060018CRNAORMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Partners & Management LLC Nurse Anesthetist, Certified Registered CurrentSince May 15, 2025 Accepting new patients
Anesthesia Associates Northwest LLC CurrentSince Jun 1, 2020 Accepting new patients
Southern Oregon Anesthesia Partners LLC Nurse Anesthetist, Certified Registered CurrentSince Sep 1, 2024 Accepting new patients
Marquart Anesthesia Services PC Nurse Anesthetist, Certified Registered CurrentSince Feb 7, 2017 Accepting new patients
Guide Anesthesia Az LLC Nurse Anesthetist, Certified Registered CurrentSince Aug 3, 2025 Accepting new patients
Ascend Anesthesia LLC Nurse Anesthetist, Certified Registered CurrentSince Jun 1, 2025 Accepting new patients
Marquart Anesthesia Services PA Inc Nurse Anesthetist, Certified Registered CurrentSince Aug 10, 1999 Accepting new patients
St. Mary Medical Center Inc Past Accepting new patients
St Mary Medical Center Inc Past Accepting new patients

Locations

1020 N San Francisco St
Ste 100
Flagstaff, AZ 86001
Phone (928) 774-2300

1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000

103 Medicine Way Rd
Peridot, AZ 85542
Phone (928) 475-1200

6501 N 19th Ave
Phoenix, AZ 85015
Phone (602) 314-4280

1902 W Union Hills Dr
Unit 41550
Phoenix, AZ 85080

3900 E Camelback Rd
Ste 190
Phoenix, AZ 85018
Phone (888) 724-6236

3929 E Bell Rd
Phoenix, AZ 85032
Phone (602) 923-5000

4600 E Washington St
Ste 300
Phoenix, AZ 85034
Phone (602) 638-1872

3110 Clearwater Dr
Prescott, AZ 86305
Phone (623) 241-6185

1704 W Anklam Rd
Ste 108
Tucson, AZ 85745
Phone (623) 241-6185

1030 W 24th St
Ste H
Yuma, AZ 85364
Phone (520) 726-5151

400 10th St E
Waconia, MN 55387

658 N Main St
Ashland, OR 97520
Phone (541) 324-2813

120 NE Manzanita Ave
Grants Pass, OR 97526
Phone (541) 476-6636

2640 Biehn St
Ste 2
Klamath Falls, OR 97601
Phone (541) 884-5559

2727 E Barnett Rd
Medford, OR 97504
Phone (503) 779-4711

1333 E Barnett Rd
Medford, OR 97504
Phone (541) 779-4711

1170 Royal Ave
Medford, OR 97504
Phone (541) 512-4771

833 Bennett Ave
Medford, OR 97504
Phone (541) 608-1994

120 NW 14th Ave
Ste 200
Portland, OR 97209
Phone (503) 771-1883

1330 Commercial St SE
Salem, OR 97302
Phone (503) 763-1973

900 S Auburn St
Kennewick, WA 99336
Phone (509) 586-5111

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1138752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746662400000",
    "number": "1376514893",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "455 LIBERTY ST",
            "city": "ASHLAND",
            "state": "OR",
            "postal_code": "975203041",
            "telephone_number": "503-871-0412"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6501 N 19TH AVE",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850151646",
            "telephone_number": "602-795-6020"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "455 Liberty St",
            "address_purpose": "LOCATION",
            "city": "Ashland",
            "state": "OR",
            "postal_code": "975203041",
            "country_code": "US",
            "telephone_number": "503-871-0412",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARQUART",
        "first_name": "JAMES",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-01",
        "last_updated": "2025-05-08",
        "certification_date": "2025-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "OR",
            "license": "200060018CRNA",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AZ",
            "license": "CRNA0431",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.