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
Mailing addressPo Box 3002, Longview, WA 98632-0302

Other providers in Longview