Peter Roy-Byrne, MD
NPI 1225171457 · Psychiatry Physician · Seattle, WA
Peter Roy-Byrne, MD is a Psychiatry Physician provider in Seattle, WA (NPI 1225171457).
Provider details
- NPI number
- 1225171457
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00023838 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 57 | 11 |
| Fluoxetine Hcl | 38 | — |
| Trazodone Hcl | 23 | — |
| Divalproex Sodium | 22 | — |
| Olanzapine | 22 | — |
| Carbamazepinebrand: Carbamazepine Er | 18 | — |
| Duloxetine Hcl | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2007-10-25
Frequently asked questions
- What is Peter Roy-Byrne's NPI number?
- Peter Roy-Byrne's National Provider Identifier (NPI) is 1225171457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Roy-Byrne's specialty?
- Peter Roy-Byrne is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Roy-Byrne located?
- Peter Roy-Byrne's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Peter Roy-Byrne's phone number?
- The practice phone number listed in the NPPES registry for Peter Roy-Byrne is (206) 341-4200.
- Is Peter Roy-Byrne's NPI active?
- Yes — Peter Roy-Byrne's NPI (1225171457) is active in the NPPES registry as of the last update on 2007-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.