William Joel Karls, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

34130 Issued in CO

Practice address

605 Miami Rd
Montrose, CO 81401-4108

Phone

(970) 252-3200

Fax

(970) 249-8793

NPI assigned

Jun 9, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Psychiatry

Education

University of Nebraska College of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southwest Colorado Mental Health Center IncGroup PAC ID 9133011802, 67 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: william.karls.p1@direct.ahs.nextgenshare.com

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.

• Southwest Colorado Mental Health Center, Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Durango, CO
  • NPI 1932192598

  CO

  Medicare reassignment Care Compare group
• Southwest Colorado Mental Health Center, Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Durango, CO
  • NPI 1376374843
  NPD (past)
• Southwest Colorado Mental Health Center, Inc

  • Federally Qualified Health Center (FQHC)
  • Durango, CO
  • NPI 1619743945
  NPD (past)
• Southwest Colorado Mental Health Center, Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Montrose, CO
  • NPI 1952130742
  NPD (past)

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

{
    "created_epoch": "1149811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1770524183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1328",
            "city": "DURANGO",
            "state": "CO",
            "postal_code": "813021328",
            "telephone_number": "970-259-2162",
            "fax_number": "970-247-0455"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "605 MIAMI RD",
            "city": "MONTROSE",
            "state": "CO",
            "postal_code": "814014108",
            "telephone_number": "970-252-3200",
            "fax_number": "970-249-8793"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "281 Sawyer Dr",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Durango",
            "state": "CO",
            "postal_code": "813033409",
            "country_code": "US",
            "telephone_number": "970-259-2162",
            "fax_number": "970-247-0455",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 N Cascade Ave Ste A",
            "address_purpose": "LOCATION",
            "city": "Montrose",
            "state": "CO",
            "postal_code": "814013537",
            "country_code": "US",
            "telephone_number": "970-252-3200",
            "fax_number": "970-249-8793",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARLS",
        "first_name": "WILLIAM",
        "middle_name": "JOEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-09",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CO",
            "license": "34130",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Justin Tanner MD LLC
• Amiessa Dawn Jutten, LCSW
• Alexander Kaiser, DMD
• Karl August Kamm, PA-C
• David Kaplan, RPH
• Eileen Kaser, OCCUPATIONAL THERAPI
• Jeffrey T Kay, D.O.
• Anne Keil, PT DPT
• Jean Richele Kelley, RN
• Jack Kelly

• Psychiatry Physician in Montrose, CO
• Providers in Montrose, CO by specialty
• Psychiatry Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.