Janarthan Sivaratnam, PHD
Clinical Psychologist · Seattle, WA
Janarthan Sivaratnam, PHD is a clinical psychologist with a practice address in Seattle, Washington, and NPI 1508427261, issued on Jun 24, 2019. Check the license (Washington PY61519949, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janarthan Sivaratnam
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PY61519949 WA
Self-reported in NPPES; status is on the state search - Practice location
- 510 Boren Ave N, Seattle, WA 98109
- Phone
- (206) 320-5200
- Enumerated
- Jun 24, 2019
- Record last updated
- Apr 4, 2025
- Fax
- (206) 320-5202
- Medicaid ID
- 2168866 WA
- Medicare enrollment
- Enrolled (PECOS I20241121003272); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,675 in Washington → Look up another NPI →
Also registered at 510 Boren Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arti Chandra, MDFamily Medicine Physician1295819910
- Shaina Hakala, ARNPFamily Nurse Practitioner1023548492
- Caroline Hobbs, N.P.Nurse Practitioner1619015385
- Kyle Hocquard, MDFamily Medicine Physician1487186490
- Olivia Hu, MDFamily Medicine Physician1215667399
Verify Janarthan Sivaratnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PY61519949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janarthan Sivaratnam among 1,675 clinical psychologist records in Washington
Janarthan Sivaratnam, PHD is one of 1,675 clinical psychologist records with a practice address in Washington. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2023 · median 2009 among the 386 with a school on file
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
594 clinical psychologist records list a practice address in Seattle
They are 594 of the 41,956 NPPES records with a practice address in Seattle, and 1,675 clinical psychologist records in Washington.
All 1,675 in Washington → Every provider in Seattle → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Shanna AlvarezSeattle, WA 981091922258193
- Harry Atlas, PH.D.Seattle, WA 981091982837589
- Sylvie AubinSeattle, WA 981091023194826
- Alison Bruns, PSYDSeattle, WA 981091467796904
- Sara DaleSeattle, WA 981091922490309
- Dana Harmon, PH.D.Seattle, WA 981091346434057
- Sydney Iverson, PHDSeattle, WA 981091104217876
- Susan Radant, PH.D.Seattle, WA 981091710094032
Common questions
What is Janarthan Sivaratnam, PHD's NPI number?
Janarthan Sivaratnam, PHD's National Provider Identifier (NPI) is 1508427261, issued on Jun 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Janarthan Sivaratnam, PHD located?
The NPPES record lists a practice address at 510 Boren Ave N, Seattle, WA, 98109. Phone: (206) 320-5200. Providers update this record themselves, so call before visiting.
How can I verify Janarthan Sivaratnam, PHD's license?
NPPES lists Washington license number PY61519949, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.