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

Janarthan Sivaratnam, PHD

Individual provider Clinical Psychologist · NPI 1508427261

Janarthan Sivaratnam, PHD is a Clinical Psychologist in Seattle, Washington. Qualified in 2023, 3 years ago. Practices with Swedish Health Services, a 384-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
3
Licensed in
WA
In the registry since
2019
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

510 Boren Ave N
Seattle, WA 98109-5501
Phone: (206) 320-5200
Fax: (206) 320-5202
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1730 Minor Ave Ste 400, Seattle, WA 98101-2402 — (206) 320-2961

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PY61519949 (WA)

Record details

NPI number1508427261
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 24, 2019
Last updated in NPPESApril 4, 2025
Certification dateApril 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Swedish Health Services — 384 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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