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

Viyada Thongouthaithip MD & Carmelindo Siqueira Jr MD PC

Organization Specialist · NPI 1780855502

Viyada Thongouthaithip MD & Carmelindo Siqueira Jr MD PC is a Specialist 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
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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