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

Dr. John Christopher Mattos, DMD

Individual provider Dentist · NPI 1699325795

Dr. John Christopher Mattos, DMD is a Dentist in Longview, Washington. Licensed in Washington. Registered with an NPI since 2019.

Licensed in
WA
In the registry since
2019
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

1452 Hudson St Ste 200
Longview, WA 98632-3727
Phone: (360) 425-9090
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DE60987782 (WA)

Record details

NPI number1699325795
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedSeptember 19, 2019
Last updated in NPPESSeptember 19, 2019
Mailing addressPo Box 6809, Hilo, HI 96720-8934

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