Andrew Williams, DO
NPI 1346627551 · Psychiatry Physician · Beaverton, OR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Williams, DO is a Psychiatry Physician provider in Beaverton, OR (NPI 1346627551).
Provider details
- NPI number
- 1346627551
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO191028 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
5 documented practice locations
- 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Esketamine Hclbrand: Spravato | 46 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 27 |
| Clonazepam | 26 |
| Bupropion Hclbrand: Bupropion Xl | 23 |
| Duloxetine Hcl | 20 |
| Lamotrigine | 19 |
| Quetiapine Fumarate | 16 |
| Lithium Carbonatebrand: Lithium Carbonate Er | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,568 across 13 records (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
Additional practice locations (4)
- 1200 Executive Pkwy Ste 260Eugene, OR 97401-2199Phone: (503) 878-8885Fax: (971) 297-1360
- 1225 Ne 2nd AvePortland, OR 97232Phone: (503) 944-8000Fax: (503) 944-8017
- 65 Sw Yamhill St Ste 300Portland, OR 97204-3316Phone: (503) 878-8885Fax: (971) 297-1360
- 914 Main StVancouver, WA 98660-3136Phone: (503) 878-8885Fax: (971) 297-1360
Registry dates
- Enumerated
- 2015-04-27
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is Andrew Williams's NPI number?
- Andrew Williams's National Provider Identifier (NPI) is 1346627551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Williams's specialty?
- Andrew Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Williams located?
- Andrew Williams's practice location on file with NPPES is 16100 Nw Cornell Rd Ste 220, Beaverton, OR 97006-7369.
- What is Andrew Williams's phone number?
- The practice phone number listed in the NPPES registry for Andrew Williams is (503) 878-8885.
- Does Andrew Williams accept Medicare?
- Andrew Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Williams's NPI active?
- Yes — Andrew Williams's NPI (1346627551) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.