Individual provider Active NPI

Mary Josephine Hendrickson, PHD

  • Psychologist
  • Issaquah, WA
National Provider Identifier
1699755561
Registry record updated Oct 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PY00002719 Issued in WA
Practice address
22500 SE 64TH PL Ste 230
Issaquah, WA 98027-8111
Phone
(425) 409-6414
Fax
(425) 409-6618
NPI assigned
Jan 18, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PY00002719 WA Primary

Addresses

Primary practice location

22500 SE 64TH PL Ste 230
Issaquah, WA 98027-8111

Mailing address

22500 SE 64TH PL Ste 230
Issaquah, WA 98027-8111
Phone (425) 409-6414

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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
I20230630002809 WA Practitioner - Clinical Psychologist 6507225042 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

22500 SE 64TH PL
BLDG G Suite 230
Issaquah, WA 98027-8111
Phone (425) 409-6414

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PY00002719WAMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Western Psychological and Counseling Services LLC PastSince May 22, 2023 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: lifestancehealth.maryhendrickson@147765.advancedmd-direct.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1137542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759449600000",
    "number": "1699755561",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22500 SE 64TH PL STE 230",
            "city": "ISSAQUAH",
            "state": "WA",
            "postal_code": "980278111",
            "telephone_number": "425-409-6414",
            "fax_number": "425-409-6618"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22500 SE 64TH PL STE 230",
            "city": "ISSAQUAH",
            "state": "WA",
            "postal_code": "980278111",
            "telephone_number": "425-409-6414",
            "fax_number": "425-409-6618"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HENDRICKSON",
        "first_name": "MARY",
        "middle_name": "JOSEPHINE",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-18",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "WA",
            "license": "PY00002719",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Issaquah, WA

Sources for this page

Verify at the official NPI Registry.