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

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1770575078

Dr. John Rider Hess, MD is a Pathology in Seattle, Washington. Qualified in 1972, 54 years ago. Practices with The Association of University Physicians, a 3,459-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
54
Licensed in
WA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 543-6420
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Blood Banking & Transfusion Medicine Physician (primary) Taxonomy 207ZB0001X · Licence MD00015060 (WA)
Clinical Pathology/Laboratory Medicine Physician Taxonomy 207ZP0105X · Licence MD00015060 (WA)

Record details

NPI number1770575078
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2005
Last updated in NPPESApril 26, 2016

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1972 (54 years in practice)
Group practice The Association Of University Physicians — 3459 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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