IndividualActive
Janarthan Sivaratnam, PHD
NPI 1508427261 · Clinical Psychologist · Seattle, WA
Provider details
- NPI number
- 1508427261
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PY61519949 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
510 Boren Ave N
Seattle, WA 98109-5501
Phone: (206) 320-5200
Fax: (206) 320-5202
Street-level locationGet directions
Mailing address
Po Box 25608
Salt Lake City, UT 84125-0608
Additional practice locations (1)
- 1730 Minor Ave Ste 400Seattle, WA 98101-2402Phone: (206) 320-2961Fax: (206) 710-9013
Registry dates
- Enumerated
- 2019-06-24
- Last updated
- 2025-04-04
- Certified
- 2025-04-04
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.