Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Leyla Welkin PHD LMHC PLLC

Organization Adult Mental Health Clinic/Center · NPI 1912767120

Leyla Welkin PHD LMHC PLLC is an Adult Mental Health Clinic/Center in Seattle, Washington. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4510 Thackeray Pl NE
Seattle, WA 98105-4842
Phone: (206) 954-4629
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Mental Health Clinic/Center (primary) Taxonomy 261QM0850X

Record details

NPI number1912767120
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Leyla Welkin Haksar — Director · (206) 954-4629
NPI enumeratedMarch 22, 2024
Last updated in NPPESMarch 22, 2024
Certification dateMarch 22, 2024
Mailing address4510 Thackeray Pl Ne, Seattle, WA 98105-4842

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