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William Zieverink, M.D.
NPI 1477689636 · Psychiatry Physician · Portland, OR
William Zieverink, M.D. is a Psychiatry Physician provider in Portland, OR (NPI 1477689636).
Provider details
- NPI number
- 1477689636
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD09142 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
2455 Nw Marshall St
Suite # 3
Portland, OR 97210-2949
Phone: (503) 221-1046
Fax: (503) 227-0183
Street-level locationGet directions
Mailing address
922 Nw 11th Ave
Portland, OR 97209-2776
Registry dates
- Enumerated
- 2007-02-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Zieverink's NPI number?
- William Zieverink's National Provider Identifier (NPI) is 1477689636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zieverink's specialty?
- William Zieverink is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Zieverink located?
- William Zieverink's practice location on file with NPPES is 2455 Nw Marshall St, Portland, OR 97210-2949.
- What is William Zieverink's phone number?
- The practice phone number listed in the NPPES registry for William Zieverink is (503) 221-1046.
- Is William Zieverink's NPI active?
- Yes — William Zieverink's NPI (1477689636) 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.