Merrill Yesslith

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

10330553-6004 Issued in UT

Practice address

750 N 200 W Ste 300
Provo, UT 84601-1690

Phone

(801) 373-4760

NPI assigned

Feb 24, 2011

Last updated

Jul 9, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in UT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Mental Health Counselor

Education

Other, 2024

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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

• Wasatch Behavioral Health Special Service District

  • Community/Behavioral Health Agency
  • Provo, UT
  • NPI 1356357115

  Mental Health

  Medicare reassignment NPD
• Wasatch Behavioral Health Special Service District

  • Clinical Medical Laboratory
  • Orem, UT
  • NPI 1669257556
  NPD

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

{
    "created_epoch": "1298505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1619274818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "750 N 200 W STE 300",
            "city": "PROVO",
            "state": "UT",
            "postal_code": "846011690",
            "telephone_number": "801-373-4760"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 N 200 W STE 300",
            "city": "PROVO",
            "state": "UT",
            "postal_code": "846011690",
            "telephone_number": "801-373-4760"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YESSLITH",
        "first_name": "MERRILL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-02-24",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "UT",
            "license": "10330553-6004",
            "primary": true
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Raymundo Yazzie
• Timothy Yazzie, DO
• Kristin Yeager
• Justin Paul Yearsley, LCSW
• Thomas Oil Yee Jr., APRN
• Yi Fu Yeung
• Hae-Jeong Yoo, L. AC.
• Holly Yorgason, DIETITIAN
• Jeremy B. Yorgason, PHD
• Rachel M Yorgason, ATC, LAT

• Mental Health Counselor in Provo, UT
• Providers in Provo, UT by specialty
• Mental Health Counselor in Utah

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