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

Dr. David Martin Tretheway Jr., MD

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1073606117

Dr. David Martin Tretheway Jr., MD is a Pathology in Seattle, Washington. Graduated from University of Rochester School of Medicine and Dentistry in 2005, 21 years ago. Practices with Peacehealth, a 187-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
21
Trained at
University of Rochester School of Medicine and Dentistry
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.

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Practice location Partly verified

Some contact details are missing from the federal record.

University Of Washington Medical Center 1959 NE Pacific NE110 Box 356100
Seattle, WA 98195-6100
Phone: (206) 598-6400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence FE60096740 (WA)
Clinical Pathology/Laboratory Medicine Physician Taxonomy 207ZP0105X · Licence MD60142058 (WA)

Record details

NPI number1073606117
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 2, 2006
Last updated in NPPESFebruary 27, 2024
Certification dateFebruary 27, 2024

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 2005 (21 years in practice)
Group practice Peacehealth — 187 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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