Liza Samson, MD
NPI 1447229109 · Family Medicine Physician · Portland, OR
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liza Samson, MD is a Family Medicine Physician provider in Portland, OR (NPI 1447229109).
Provider details
- NPI number
- 1447229109
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD22590 (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
- 2006-03-15
- Last updated
- 2012-09-12
Frequently asked questions
- What is Liza Samson's NPI number?
- Liza Samson's National Provider Identifier (NPI) is 1447229109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liza Samson's specialty?
- Liza Samson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Liza Samson located?
- Liza Samson's practice location on file with NPPES is 2456 Nw Northrup St, Portland, OR 97210-3253.
- What is Liza Samson's phone number?
- The practice phone number listed in the NPPES registry for Liza Samson is (503) 705-5753.
- Does Liza Samson accept Medicare?
- Liza Samson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liza Samson's NPI active?
- Yes — Liza Samson's NPI (1447229109) is active in the NPPES registry as of the last update on 2012-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.