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

Mark Thomas Hattenhauer, MD

Individual provider Cardiovascular Disease Physician · NPI 1295740702

Mark Thomas Hattenhauer, MD is a Cardiovascular Disease Physician in Longview, Washington. Licensed in Oregon and Washington. Registered with an NPI since 2006.

Licensed in
OR, WA
In the registry since
2006
Specialties on file
2
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

1615 Delaware St
Longview, WA 98632-2367
Phone: (360) 414-2730
Fax: (360) 414-2739
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 MD07556 (OR)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence MD00028883 (WA)

Record details

NPI number1295740702
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESApril 8, 2010

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