Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Duncan T. Landreth, MD

Individual provider Cardiovascular Disease Physician · NPI 1467497321

Dr. Duncan T. Landreth, MD is a Cardiovascular Disease Physician in Mount Vernon, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

307 S 13th St Ste 300
Mount Vernon, WA 98274-4109
Phone: (360) 336-9757
Fax: (360) 336-2088
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD00020573 (WA)

Record details

NPI number1467497321
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2006
Last updated in NPPESFebruary 26, 2014
Mailing address1400 E Kincaid St, Skagit Regional Clinics, Attn: Credentialing, Mount Vernon, WA 98274-4127

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