Karen Winchester, M.D.
NPI 1265502397 · Ophthalmology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Winchester, M.D. is a Ophthalmology Physician provider in Portland, OR (NPI 1265502397).
Provider details
- NPI number
- 1265502397
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD21043 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2020-02-07
- Certified
- 2020-02-07
Frequently asked questions
- What is Karen Winchester's NPI number?
- Karen Winchester's National Provider Identifier (NPI) is 1265502397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Winchester's specialty?
- Karen Winchester is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Winchester located?
- Karen Winchester's practice location on file with NPPES is 7724 Sw 31st Ave, Portland, OR 97219-2420.
- What is Karen Winchester's phone number?
- The practice phone number listed in the NPPES registry for Karen Winchester is (503) 239-7733.
- Does Karen Winchester accept Medicare?
- Karen Winchester is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Winchester's NPI active?
- Yes — Karen Winchester's NPI (1265502397) is active in the NPPES registry as of the last update on 2020-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.