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

William Messer, MDPHD

Individual provider Infectious Disease Physician · NPI 1508085739

William Messer, MDPHD is an Infectious Disease in Portland, Oregon. Graduated from University of North Carolina at Chapel Hill School of Medicine in 2006, 20 years ago. Practices with University Professional Services, a 1,704-clinician group and accepts Medicare assignment. Licensed in North Carolina and Oregon.

Years since qualifying
20
Trained at
University of North Carolina at Chapel Hill School of Medicine
Licensed in
NC, OR
In the registry since
2007
Specialties on file
2
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Practice location Address checks out

3181 SW Sam Jackson Park Rd L457
Portland, OR 97239-3011
Phone: (503) 494-7735
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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 MD160501 (OR)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 2010-01245 (NC)

Record details

NPI number1508085739
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorYes
NPI enumeratedApril 25, 2007
Last updated in NPPESNovember 6, 2012

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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