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

Dr. William R Berrington III, MD, PHD

Individual provider Infectious Disease Physician · NPI 1558374025

Dr. William R Berrington III, MD, PHD is an Infectious Disease in Seattle, Washington. Graduated from University of Alabama School of Medicine in 2000, 26 years ago. Practices with Providence Medical Institute, a 336-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
26
Trained at
University of Alabama School of Medicine
Licensed in
WA
In the registry since
2006
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.

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Practice location Address checks out

747 Broadway
Seattle, WA 98122-4379
Phone: (206) 215-2520
Fax: (206) 386-3180
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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 MD00042229 (WA)

Record details

NPI number1558374025
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Providence Medical Institute — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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