Timothy Knowlton, MD
NPI 1417697061 · Emergency Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Knowlton, MD is a Emergency Medicine Physician provider in Portland, OR (NPI 1417697061).
Provider details
- NPI number
- 1417697061
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-03-31
- Last updated
- 2025-05-19
- Certified
- 2025-05-19
Frequently asked questions
- What is Timothy Knowlton's NPI number?
- Timothy Knowlton's National Provider Identifier (NPI) is 1417697061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Knowlton's specialty?
- Timothy Knowlton is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Knowlton located?
- Timothy Knowlton's practice location on file with NPPES is Ohsu, Portland, OR 97239-3098.
- What is Timothy Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Timothy Knowlton is (503) 494-8211.
- Does Timothy Knowlton accept Medicare?
- Timothy Knowlton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Knowlton's NPI active?
- Yes — Timothy Knowlton's NPI (1417697061) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.