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

Dr. Ethelyn Gail Thomason, DMD

Individual provider General Practice Dentistry · NPI 1871585729

Dr. Ethelyn Gail Thomason, DMD is a General Practice Dentistry in Boulder, Colorado. Licensed in Colorado. Registered with an NPI since 2005.

Licensed in
CO
In the registry since
2005
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

4155 Darley Ave Ste F
Boulder, CO 80305-6536
Phone: (303) 499-9700
Fax: (303) 499-2528
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 8399 (CO)

Record details

NPI number1871585729
Entity typeIndividual (Type 1)
GenderFemale
Credentials DMD
Sole proprietorNo
NPI enumeratedAugust 17, 2005
Last updated in NPPESJuly 13, 2026

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