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

Dr. Gregory Mark Atack, DMD, FAGD

Individual provider General Practice Dentistry · NPI 1508839507

Dr. Gregory Mark Atack, DMD, FAGD is a General Practice Dentistry in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2006.

Licensed in
OR
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

1585 SW Marlow Ave Ste 100
Portland, OR 97225-5176
Phone: (503) 297-1717
Fax: (503) 292-7711
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence D7210 (OR)

Record details

NPI number1508839507
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD , FAGD
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESJuly 13, 2026

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