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

Marissa Maier

Individual provider Infectious Disease Physician · NPI 1346446119

Marissa Maier is an Infectious Disease in Portland, Oregon. Graduated from University of California, San Francisco School of Medicine in 2007, 19 years ago. Practices with University Professional Services, a 1,704-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
19
Trained at
University of California, San Francisco School of Medicine
Licensed in
OR
In the registry since
2007
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Practice location Address checks out

3181 SW Sam Jackson Park Rd Mail Code OP-30
Portland, OR 97239-3011
Phone: (503) 494-8562
Fax: (503) 494-6324
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 150654 (OR)

Record details

NPI number1346446119
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 26, 2007
Last updated in NPPESSeptember 19, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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