James Wallace Mathewson, M.D.

Primary specialty

Pediatric Cardiology PhysicianTaxonomy code 2080P0202X

License

G29338 Issued in CA

Practice address

1330 N Rim Dr
Suite a
Flagstaff, AZ 86001-3134

Phone

(928) 779-7014

NPI assigned

Nov 13, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1163376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1043381809",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6404 E SETTLERS RUN RD",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860047216",
            "telephone_number": "858-395-8652"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1330 N RIM DR",
            "address_2": "SUITE A",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013134",
            "telephone_number": "928-779-7014"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHEWSON",
        "first_name": "JAMES",
        "middle_name": "WALLACE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "G29338",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "CA",
            "license": "G29338",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G293380",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James P Marzolf, DDS, PC
• Rebecca Maslar, WHNP-BC
• Nevitta J Mason, LPC
• James L Mast, DDS
• Peter Mathern, M.D.
• Amanda Frances Matje, PA-C
• Amanda Mattei, AU.D.
• Cynthia Mattern, M.A.
• Brad Todd Mattingly, MA, LISAC, CDVC
• Emily Ann Mauer, PHARMD

• Pediatric Cardiology Physician in Flagstaff, AZ
• Providers in Flagstaff, AZ by specialty
• Pediatric Cardiology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.