Jeffrey Mcwilliams, M.D.
NPI 1114920899 · Hematology & Oncology Physician · West Linn, OR
Jeffrey Mcwilliams, M.D. is a Hematology & Oncology Physician provider in West Linn, OR (NPI 1114920899).
Provider details
- NPI number
- 1114920899
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD16561 (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
21 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
- 2005-05-24
- Last updated
- 2009-09-04
Frequently asked questions
- What is Jeffrey Mcwilliams's NPI number?
- Jeffrey Mcwilliams's National Provider Identifier (NPI) is 1114920899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Mcwilliams's specialty?
- Jeffrey Mcwilliams is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Mcwilliams located?
- Jeffrey Mcwilliams's practice location on file with NPPES is 3433 Chelan Dr, West Linn, OR 97068-9290.
- What is Jeffrey Mcwilliams's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Mcwilliams is (503) 723-8321.
- Is Jeffrey Mcwilliams's NPI active?
- Yes — Jeffrey Mcwilliams's NPI (1114920899) is active in the NPPES registry as of the last update on 2009-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.