Duncan Landreth, MD
NPI 1467497321 · Cardiovascular Disease Physician · Mount Vernon, WA
Duncan Landreth, MD is a Cardiovascular Disease Physician provider in Mount Vernon, WA (NPI 1467497321).
Provider details
- NPI number
- 1467497321
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00020573 (WA)
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
- 2006-06-17
- Last updated
- 2014-02-26
Frequently asked questions
- What is Duncan Landreth's NPI number?
- Duncan Landreth's National Provider Identifier (NPI) is 1467497321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duncan Landreth's specialty?
- Duncan Landreth is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Duncan Landreth located?
- Duncan Landreth's practice location on file with NPPES is 307 S. 13th Street, Suite 300, Mount Vernon, WA 98274-4109.
- What is Duncan Landreth's phone number?
- The practice phone number listed in the NPPES registry for Duncan Landreth is (360) 336-9757.
- Is Duncan Landreth's NPI active?
- Yes — Duncan Landreth's NPI (1467497321) is active in the NPPES registry as of the last update on 2014-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.