Mary Osing Welch, RN, PMHNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

200850133NP Issued in OR

Practice address

10373 NE Hancock St Ste 200
Portland, OR 97220-3873

Phone

(503) 253-6754

Fax

(503) 253-8020

NPI assigned

Oct 7, 2008

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in OR

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cascadia HealthGroup PAC ID 7618873761, 53 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

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 and National Provider Directory roles.

• Cascadia Health

  dba Cascadia Behavioral Healthcare, Inc.

  • Multi-Specialty Clinic/Center
  • Portland, OR
  • NPI 1336196401
  Medicare reassignment Care Compare group
• Cascadia Health

  dba Cascadia Behavioral Healthcare, Inc.

  • Primary Care Clinic/Center
  • Portland, OR
  • NPI 1144722935
  NPD
• The Northwest Catholic Counseling Center

  • Mental Health Counselor
  • Portland, OR
  • NPI 1619091279
  NPD (past)

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

{
    "created_epoch": "1223337600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772755200000",
    "number": "1679724819",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8383 NE SANDY BLVD",
            "address_2": "# 205 NORTHWEST CATHOLIC COUNSELING CENTER",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972204948",
            "telephone_number": "503-253-0964"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10373 NE HANCOCK ST STE 200",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972203873",
            "telephone_number": "503-253-6754",
            "fax_number": "503-253-8020"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8383 NE Sandy Blvd",
            "address_2": "Suite 205",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972204948",
            "country_code": "US",
            "telephone_number": "503-253-0964",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WELCH",
        "first_name": "MARY",
        "middle_name": "OSING",
        "credential": "RN, PMHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-10-07",
        "last_updated": "2026-03-06",
        "certification_date": "2026-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "OR",
            "license": "200642765RN",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "OR",
            "license": "200850133NP",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jayne Welch
• Jorja Welch
• Katrin Allene Welch, M.A.
• Kendall Welch, ND
• M. Katherine Welch, PHARM.D
• Max Welch, MATRN, LAT, ATC
• Sarah R Welch, LCSW, LICSW
• Suzanne Kathryn Welch, P.T.
• Essence E Welck, LPC, LMHC
• Jason Weld

• Psychiatric/Mental Health Nurse Practitioner in Portland, OR
• Providers in Portland, OR by specialty
• Psychiatric/Mental Health Nurse Practitioner in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 6, 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.