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

Dr. John R Chirgwin, DMD

Individual provider Periodontics · NPI 1225192065

Dr. John R Chirgwin, DMD is a Periodontics 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

1130 SE 122nd Ave
Portland, OR 97233-1112
Phone: (503) 252-5515
Fax: (503) 255-1625
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 4607 (OR)

Record details

NPI number1225192065
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedDecember 19, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1130 Se 122nd Ave, Portland, OR 97233-1112

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