Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Viyada Thongouthaithip MD & Carmelindo Siqueira Jr MD PC

Organization Specialist · NPI 1780855502

Viyada Thongouthaithip MD & Carmelindo Siqueira Jr MD PC provides Specialist services in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2008.

Licensed in
OR
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

9155 SW Barnes Rd Ste 310
Portland, OR 97225-6630 Not confirmed with CMS for 12 years — call before visiting
Phone: (503) 297-8491
Fax: (503) 297-8492
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence MD 12967 (OR)

Record details

NPI number1780855502
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Viyada Thongouthaithip, M.D. — Cardiologist · (503) 297-8491
NPI enumeratedMarch 19, 2008
Last updated in NPPESMay 12, 2014
Mailing address9155 Sw Barnes Rd Ste 310, Portland, OR 97225-6630

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