Individual provider Active NPI

Cassandra Castro

  • Psychiatric/Mental Health Nurse Practitioner
  • Seattle, WA
National Provider Identifier
1720640428
Registry record updated Jun 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
61389164 Issued in WA
Practice address
320 NE 97TH St Ste a
Seattle, WA 98115-2042
Phone
(206) 453-5707
NPI assigned
Jul 2, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 61389164 WA Primary
Registered Nurse 163W00000X 60961724 WA

Addresses

Primary practice location

320 NE 97TH St Ste a
Seattle, WA 98115-2042

Mailing address

10710 Mukilteo Speedway
Mukilteo, WA 98275-5021

Other practice location 1

10710 Mukilteo Speedway
Mukilteo, WA 98275-5021
Phone (425) 349-8888

Other practice location 2

100 N Howard St Ste 6868
Spokane, WA 99201-0508
Phone (206) 984-8871

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: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230130000936 WA Practitioner - Nurse Practitioner 9537530563 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mindful Therapy Group PCGroup PAC ID 4981872561, 654 clinicians

Practice addresses (Care Compare)

320 NE 97TH St
Suite a
Seattle, WA 98115-2042
Phone (425) 640-7009

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
60961724WAMDRegistered Nurse
61389164WAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Monarca Mental Health Psychiatric/Mental Health Current Accepting new patients
Mindful Therapy Group PC Psychiatric/Mental Health CurrentSince Dec 14, 2022 Accepting new patients

Locations

6505 216th St SW
Ste 100
Mountlake Terrace, WA 98043
Phone (425) 678-6463

21907 64th Ave W
Ste 200
Mountlake Terrace, WA 98043
Phone (410) 258-3698

320 NE 97th St
Ste A
Seattle, WA 98115
Phone (206) 323-8113

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": "1562025600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1720640428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10710 MUKILTEO SPEEDWAY",
            "city": "MUKILTEO",
            "state": "WA",
            "postal_code": "982755021"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 NE 97TH ST STE A",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981152042",
            "telephone_number": "206-453-5707"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10710 Mukilteo Speedway",
            "address_purpose": "LOCATION",
            "city": "Mukilteo",
            "state": "WA",
            "postal_code": "982755021",
            "country_code": "US",
            "telephone_number": "425-349-8888",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 N Howard St Ste 6868",
            "address_purpose": "LOCATION",
            "city": "Spokane",
            "state": "WA",
            "postal_code": "992010508",
            "country_code": "US",
            "telephone_number": "206-984-8871",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTRO",
        "first_name": "CASSANDRA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-07-02",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WA",
            "license": "61389164",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "60961724",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.