Chaise Group, LLC

Primary specialty

Multi-Specialty Clinic/CenterTaxonomy code 261QM1300X

Legal business name

CHAISE GROUP, LLC

Doing business as

IHC Associates
In-House Counseling
Oasis Treatment

Practice address

9123 SE Saint Helens St Ste 100F
Clackamas, OR 97015-6800

Phone

(503) 740-1971

Fax

(503) 771-2436

NPI assigned

May 17, 2007

Last updated

Oct 1, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mrs. Michelle L Krummenacker, LCSW, CADC-IIINPI 1124033618

Title

Ceo

Phone

(503) 740-1971

Specialties & licenses 7

Addresses

Other identifiers 4

Other names 3

• IHC Associates Doing business as
• In-House Counseling Doing business as
• Oasis Treatment Doing business as

Medicare fee-for-service enrollment

Enrolled in OR

Enrollment records 1

Locations

Practitioners 12

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Michelle L Krummenacker, LCSW

  • Clinical Social Worker
  • Clackamas, OR
  • NPI 1124033618

  Addiction (Substance Use Disorder)

  Medicare reassignment Care Compare group NPD Authorized official
• Scott Ellison Fitzwater, LPC CADC III

  • Mental Health Counselor
  • Clackamas, OR
  • NPI 1558649574

  Addiction (Substance Use Disorder)

  Medicare reassignment Care Compare group NPD
• Cynthia Hiles, LCSW

  • Clinical Social Worker
  • Lake Oswego, OR
  • NPI 1952443087

  Mental Health

  Medicare reassignment Care Compare group NPD
• Nicholas David Morales, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Clackamas, OR
  • NPI 1982051959
  Medicare reassignment Care Compare group NPD
• Constance Eldridge Pederson, PH.D.

  • Psychologist
  • Portland, OR
  • NPI 1548460637

  Addiction (Substance Use Disorder)

  Medicare reassignment Care Compare group NPD
• Pamela Ellen Cline, LCSW

  • Clinical Social Worker
  • Gresham, OR
  • NPI 1336282979
  Medicare reassignment Care Compare group
• Parker Elizabeth-Rose Anderson

  • Professional Counselor
  • Oregon City, OR
  • NPI 1275131922
  Medicare reassignment NPD
• Paul Gerard Krummenacker, CRM

  • Peer Specialist
  • Clackamas, OR
  • NPI 1558291328
  NPD
• Dorothy Jean Alex, CADC II, CRM

  • Addiction (Substance Use Disorder) Counselor
  • Clackamas, OR
  • NPI 1477912780
  NPD (past)
• Easton Hallock, CADC II, QMHA II

  • Addiction (Substance Use Disorder) Counselor
  • Gresham, OR
  • NPI 1467220236
  NPD (past)
• Karissa Rose Mathews, CRM

  • Peer Specialist
  • Gresham, OR
  • NPI 1013874866
  NPD (past)
• Eowyn A Rieke, M.D.

  • Family Medicine Physician
  • Portland, OR
  • NPI 1366468639
  NPD (past)

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

{
    "created_epoch": "1179360000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1759276800000",
    "number": "1073720017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10117 SE SUNNYSIDE RD",
            "address_2": "SUITE F1217",
            "city": "CLACKAMAS",
            "state": "OR",
            "postal_code": "970157708",
            "telephone_number": "503-740-1971",
            "fax_number": "503-771-2436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9123 SE SAINT HELENS ST STE 100F",
            "city": "CLACKAMAS",
            "state": "OR",
            "postal_code": "970156800",
            "telephone_number": "503-740-1971",
            "fax_number": "503-771-2436"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHAISE GROUP, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-05-17",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A",
        "authorized_official_last_name": "KRUMMENACKER",
        "authorized_official_first_name": "MICHELLE",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "503-740-1971",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "LCSW, CADC-III"
    },
    "taxonomies": [
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QM1300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Multi-Specialty",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "324500000X",
            "taxonomy_group": "",
            "desc": "Substance Abuse Rehabilitation Facility",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500844293",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500648453",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500849117",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500849161",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "IHC Associates",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "In-House Counseling",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Oasis Treatment",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Emily Rose Cedarbaum, M.D.
• Center for Healing Relationships, LLC
• Stephanie W Cha, MD
• Tyler Chagnon
• Chaise Group, LLC (Awellera)
• Connie Chan, PHARMD
• Cynthia A Chan, MD
• James Chan, MD
• Mark T Chan, MD
• Ryan Scott Chan, PHARMD

• Multi-Specialty Clinic/Center in Clackamas, OR
• Providers in Clackamas, OR by specialty
• Multi-Specialty Clinic/Center in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.