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

Donald W Zeilenga, MD

Individual provider Internal Medicine Physician · NPI 1881686145

Donald W Zeilenga, MD is an Internal Medicine Physician in Longview, Washington. Licensed in Washington. Registered with an NPI since 2005.

Licensed in
WA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1615 Delaware St
Longview, WA 98632-2367
Phone: (360) 501-3601
Fax: (360) 501-3648
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD00015270 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD00015270 (WA)

Record details

NPI number1881686145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2005
Last updated in NPPESApril 7, 2015

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