Ernest Stewart, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

27384 Issued in AZ

Practice address

2187 N Vickey St
Flagstaff, AZ 86004-6106

Phone

(928) 714-6409

Fax

(928) 714-6480

NPI assigned

Oct 21, 2005

Sex

Male

Sole proprietor

No

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.

• Guidance Center Inc

  • Community/Behavioral Health Agency
  • Williams, AZ
  • NPI 1316014459
  NPD (past)
• The Guidance Center, Inc

  • Substance Abuse Rehabilitation Facility
  • Flagstaff, AZ
  • NPI 1720144645
  NPD (past)

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Jul 13, 2026.

{
    "created_epoch": "1129852800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699765669",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2187 N VICKEY ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860046106",
            "telephone_number": "928-714-6409",
            "fax_number": "928-714-6480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2187 N VICKEY ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860046106",
            "telephone_number": "928-714-6409",
            "fax_number": "928-714-6480"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEWART",
        "first_name": "ERNEST",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-21",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "AZ",
            "license": "27384",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "AZ20846840",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "240515",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Paul M Steinhauser, M.D.
• Brigitte Steinken Kollath
• Larry Charles Stevens, PH.D.
• Autumn Elisabeth Stevenson, M.D.
• Candace Stewart, MSW
• Sandra Lee Stewart
• Emily Stice, BA
• Bridget Bonsall Stiegler, D.O.
• Travis Clark Stiegler, D.O.
• Aimee Stone, RN, MPH, IBCLC

• All providers in Flagstaff, AZ
• Psychiatry Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.