Petra Tamika Erskin, DNP, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

ARNP.AP.70135856-NP Issued in WA

Practice address

1455 NW Leary Way Ste 400
Seattle, WA 98107-5138

Phone

(509) 613-5042

NPI assigned

Jun 2, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Erskin Psychiatric Services PLLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Seattle, WA
  • NPI 1891617668
  NPD (past) Authorized official

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

{
    "created_epoch": "1780358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1225960495",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "112 GIFFORDTOWN LN UNIT 295",
            "city": "LITTLE EGG HARBOR TWP",
            "state": "NJ",
            "postal_code": "080879605"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1455 NW LEARY WAY STE 400",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981075138",
            "telephone_number": "509-613-5042"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3959 Broadway",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100321559",
            "country_code": "US",
            "telephone_number": "212-305-5437",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1625 N Campbell Ave",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857194330",
            "country_code": "US",
            "telephone_number": "520-694-0111",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 W 8th Ave",
            "address_purpose": "LOCATION",
            "city": "Spokane",
            "state": "WA",
            "postal_code": "992042307",
            "country_code": "US",
            "telephone_number": "509-474-3131",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ERSKIN",
        "first_name": "PETRA",
        "middle_name": "TAMIKA",
        "credential": "DNP, PMHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-02",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "408756",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WA",
            "license": "ARNP.AP.70135856-NP",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "AZ",
            "license": "APRN-RNP341843",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kyle Ernst
• Lesley Ernst, LMP
• Kathleen M. Errico, ARNP
• Ksenia Igorevna Ershova, MD
• Erskin Psychiatric Services PLLC
• Patrick Hennessey Erstad, MD
• Sarah Ertsgaard, OT
• Lale Aslihan Ertuglu, MD
• Abbey Ervin
• Cynthia Herman Ervin, PH.D.

• Psychiatric/Mental Health Nurse Practitioner in Seattle, WA
• Providers in Seattle, WA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.