Sandhira Wijayaratne, MD
NPI 1841810314 · Psychiatry Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandhira Wijayaratne, MD is a Psychiatry Physician provider in Seattle, WA (NPI 1841810314).
Provider details
- NPI number
- 1841810314
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD61567528 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 38 |
| Buspirone Hcl | 37 |
| Lamotrigine | 33 |
| Gabapentin | 26 |
| Benztropine Mesylate | 25 |
| Sertraline Hcl | 22 |
| Trazodone Hcl | 21 |
| Aripiprazole | 20 |
| Diazepam | 17 |
| Duloxetine Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 10700 Meridian Ave N Ste G11Seattle, WA 98133-9008Phone: (206) 901-2000
Registry dates
- Enumerated
- 2020-04-24
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is Sandhira Wijayaratne's NPI number?
- Sandhira Wijayaratne's National Provider Identifier (NPI) is 1841810314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandhira Wijayaratne's specialty?
- Sandhira Wijayaratne is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sandhira Wijayaratne located?
- Sandhira Wijayaratne's practice location on file with NPPES is 1600 E Olive St, Seattle, WA 98122-2735.
- What is Sandhira Wijayaratne's phone number?
- The practice phone number listed in the NPPES registry for Sandhira Wijayaratne is (206) 901-2000.
- Does Sandhira Wijayaratne accept Medicare?
- Sandhira Wijayaratne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandhira Wijayaratne's NPI active?
- Yes — Sandhira Wijayaratne's NPI (1841810314) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.