Individual provider Active NPI

Derek Holyoak, LMFT

  • Marriage & Family Therapist
  • Provo, UT
National Provider Identifier
1952848632
Registry record updated Jun 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
Practice address
1500 WSC
Provo, UT 84602-7924
Phone
(801) 900-3914
NPI assigned
Jan 19, 2017
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X Primary

Addresses

Primary practice location

1500 WSC
Provo, UT 84602-7924

Mailing address

1500 WSC
Provo, UT 84602-7924
Phone (801) 900-3914

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
LDS Family Services Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1484784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781395200000",
    "number": "1952848632",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 WSC",
            "city": "PROVO",
            "state": "UT",
            "postal_code": "846027924",
            "telephone_number": "801-900-3914"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 WSC",
            "city": "PROVO",
            "state": "UT",
            "postal_code": "846027924",
            "telephone_number": "801-900-3914"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLYOAK",
        "first_name": "DEREK",
        "name_prefix": "Dr.",
        "credential": "LMFT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-01-19",
        "last_updated": "2026-06-14",
        "certification_date": "2026-06-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Provo, UT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 14, 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.