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

Dr. John Cleve Peterson III, MD, MPH

Individual provider Adult Medicine Physician · NPI 1023111002

Dr. John Cleve Peterson III, MD, MPH is an Adult Medicine Physician in Mercer Island, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

7030 N Mercer Way
Mercer Island, WA 98040-2130
Phone: (206) 232-7669
Fax: (206) 232-7679
Show map & directions

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

Specialties & licences

Adult Medicine Physician (primary) Taxonomy 207QA0505X · Licence 11059 (WA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 11059 (WA)

Record details

NPI number1023111002
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedSeptember 6, 2006
Last updated in NPPESSeptember 11, 2025