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

Dr. Melissa Rose Nyendak, MD

Individual provider Infectious Disease Physician · NPI 1851506299

Dr. Melissa Rose Nyendak, MD is registered under Infectious Disease in Portland, Oregon. Qualified in 2002, 24 years ago. Practices with Multnomah County, a 111-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
24
Licensed in
OR
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Oregon Health And Science University 3181 SW Sam Jackson Park Road L457
Portland, OR 97239 Not confirmed with CMS for 19 years — call before visiting
Phone: (503) 494-9000
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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 MD25919 (OR)

Record details

NPI number1851506299
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 11, 2007
Last updated in NPPESAugust 7, 2007

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Multnomah County — 111 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Multnomah County

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 111 clinicians in the practice; 12 are shown here.

Other providers in Portland