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

Dr. Richard D Twiss, MD

Individual provider Cardiovascular Disease Physician · NPI 1609929793

Dr. Richard D Twiss, MD is a Cardiovascular Disease Physician in Yakima, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
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

406 S 30th Ave Ste 201
Yakima, WA 98902-3713
Phone: (509) 248-7715
Fax: (509) 248-2890
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 MD00009600 (WA)

Record details

NPI number1609929793
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 19, 2007
Last updated in NPPESOctober 25, 2007

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