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SANDHIRA WIJAYARATNE MD
NPI 1841810314
Psychiatry & Neurology - Psychiatry in Seattle, WA

Active since April 24, 2020PECOS EnrolledAccepts Medicare Assignment
1600 E OLIVE ST, SEATTLE, WA 98122(206) 901-2000 Get Directions Write a Review

NPPES record last updated: November 12, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 12, 2024, Nov 7, 2024, Jul 15, 2024 and 1 more (4 updates tracked since 2020).

About Sandhira Wijayaratne Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SANDHIRA WIJAYARATNE MD (NPI 1841810314) is an individual psychiatry provider in Seattle, Washington, licensed in Washington (MD61567528) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Harvard Medical School (2020).

NPPES Registry Identity

NPI1841810314
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameSANDHIRA WIJAYARATNECredential: MD
Location Address1600 E OLIVE STSeattle, WA 98122-2735
Mailing Address6400 Southcenter BlvdTukwila, WA 98188-2547 · (206) 901-2000 · Fax (206) 901-2010
Phone(206) 901-2000
Sole ProprietorYes
Medical School CMSHarvard Medical SchoolGraduated 2020
Enumeration DateApril 24, 2020
Last NPPES UpdateNovember 12, 20244 updates tracked since enumeration
NPPES CertifiedNovember 12, 2024
✔ NPI 1841810314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in WA · MD61567528
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1600 E OLIVE ST, Seattle, WA 98122
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Secondary Practice Location 1

Location 110700 Meridian Ave N Ste G11Seattle, WA 98133-9008 · Phone (206) 901-2000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sandhira Wijayaratne Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507289725
PECOS Enrollment IDI20241220002356
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sandhira Wijayaratne reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sound
11 mi
Mental Health (Including Community Mental Health Center)
6400 SOUTHCENTER BLVD
Tukwila, WA 98188
  • Reassigned Medicare billing, Washington enrollment
  • 103 clinicians in this Medicare group
NPI 1780774950 (206) 901-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.37 typical visit price
range $63.67 – $189.37
Typical copayment $47.34 (range $15.91 – $47.34)
Most-billed visit code 99205
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS LUCY P SPIRO RC
Student in an Organized Health Care Education/Training Program
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
JAMES ELI SAAD BA, RC
Counselor (Professional)
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
MS. BRENDA LYNNE' MILLER-SERMENO M.A, MHP
Counselor (Mental Health)
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
MR. RICHARD WILLIAM IRWIN AAS, CDP
Counselor (Addiction (Substance Use Disorder))
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
DR. BROOKE D KATZ ARNP
Nurse Practitioner (Psychiatric/Mental Health)
1600 E OLIVE ST
SEATTLE, WA 98122
King County (206) 302-2800
MISS MARBIE GUACEN DESCATAMIENTO BA, CDPT, AAC
Counselor (Mental Health)
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
MS. SARAH C SAWYER
Counselor (Mental Health)
1600 E OLIVE ST
SEATTLE, WA 98122
King County (206) 302-2200
SHELLEY LYNN NIXON SHEPHERD RN, BSN
Registered Nurse
1600 E OLIVE ST
SEATTLE, WA 98122
King County (206) 901-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sandhira Wijayaratne's NPI number?

The NPI number for Sandhira Wijayaratne is 1841810314. It was assigned to this individual provider in the NPPES registry on April 24, 2020.

Where is Sandhira Wijayaratne located?

Sandhira Wijayaratne practices at 1600 E Olive St, Seattle, WA 98122. The listed phone number is (206) 901-2000.

What is Sandhira Wijayaratne's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Sandhira Wijayaratne enrolled in Medicare?

Yes. Sandhira Wijayaratne is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sandhira Wijayaratne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandhira Wijayaratne reassigns Medicare benefits to Sound (Tukwila, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sandhira Wijayaratne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sandhira Wijayaratne was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.