William Sack, MD
NPI 1457369910 · Child & Adolescent Psychiatry Physician · Portland, OR
William Sack, MD is a Child & Adolescent Psychiatry Physician provider in Portland, OR (NPI 1457369910).
Provider details
- NPI number
- 1457369910
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD06321 (OR)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Sack's NPI number?
- William Sack's National Provider Identifier (NPI) is 1457369910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sack's specialty?
- William Sack is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Sack located?
- William Sack's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is William Sack's phone number?
- The practice phone number listed in the NPPES registry for William Sack is (503) 494-8617.
- Is William Sack's NPI active?
- Yes — William Sack's NPI (1457369910) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.