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

Dr. Phil Holland Alday Jr., MD, PHD

Individual provider Infectious Disease Physician · NPI 1417181629

Dr. Phil Holland Alday Jr., MD, PHD is an Infectious Disease in Portland, Oregon. Graduated from University of Mississippi School of Medicine in 2009, 17 years ago. Practices with University Professional Services, a 1,704-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
17
Trained at
University of Mississippi School of Medicine
Licensed in
OR
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3181 SW Sam Jackson Park Road L457
Portland, OR 97239-3098
Phone: (503) 494-7735
Fax: (403) 494-4264
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence MD167089 (OR)

Record details

NPI number1417181629
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 4, 2009
Last updated in NPPESJune 2, 2014

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Portland