Individual provider Active NPI

Mark A Williams, CADC III/LPC

  • Mental Health Counselor
  • Bend, OR
National Provider Identifier
1598065807
Registry record updated Dec 6, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
548 SW 13TH St
Bend, OR 97702-3184
Phone
(541) 388-8459
NPI assigned
Nov 2, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 6, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X 11-06-113 OR
Mental Health Counselor 101YM0800X OR Primary

Addresses

Primary practice location

548 SW 13TH St
Bend, OR 97702-3184

Mailing address

1333 NW 9TH St
Prineville, OR 97754-1482
Phone (541) 447-2631

Other identifiers 3

IdentifierTypeStateIssuer
500738403MedicaidOR
500738399MedicaidOR
C7120OtherOROREGON LPC LISC.

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
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

Enrollment IDStateProvider typePAC IDDetails
I20250905001370 OR Practitioner - Mental Health Counselor 4981106317 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Mental Health Counselor
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rimrock Trails Treatment ServicesGroup PAC ID 5799107629, 9 clinicians

Practice addresses (Care Compare)

215 SW 7TH St
Redmond, OR 97756-2113
Phone (541) 388-8459

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
The Redmond Family Medicine Center CurrentSince Aug 25, 2025 Accepting new patients
Rimrock Trails Treatment Services CurrentSince Aug 25, 2025 Accepting new patients

Locations

548 SW 13th St
Bend, OR 97702
Phone (541) 388-8459

1333 NW 9th St
Prineville, OR 97754
Phone (541) 388-8459

215 SW 7th St
Redmond, OR 97756
Phone (541) 316-2277

Organizations & group practices 2

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": "1288656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1670284800000",
    "number": "1598065807",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1333 NW 9TH ST",
            "city": "PRINEVILLE",
            "state": "OR",
            "postal_code": "977541482",
            "telephone_number": "541-447-2631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "548 SW 13TH ST",
            "city": "BEND",
            "state": "OR",
            "postal_code": "977023184",
            "telephone_number": "541-388-8459"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MARK",
        "middle_name": "A",
        "credential": "CADC III/LPC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-11-02",
        "last_updated": "2022-12-06",
        "certification_date": "2020-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "OR",
            "license": "11-06-113",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "OR",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500738403",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500738399",
            "state": "OR"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OREGON LPC LISC.",
            "identifier": "C7120",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bend, OR

Sources for this page

Verify at the official NPI Registry.