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

Dr. Joseph Primo Mazzoncini Jr., MD

Individual provider Emergency Medicine Physician · NPI 1023169604

Dr. Joseph Primo Mazzoncini Jr., MD is an Emergency Medicine in Everett, Washington. Graduated from University of Washington School of Medicine in 2005, 21 years ago. Practices with Evergreen Emergency Services Ps, a 45-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
21
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2007
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

1700 13th St
Everett, WA 98201-1689
Phone: (425) 261-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD60248557 (WA)

Record details

NPI number1023169604
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 12, 2007
Last updated in NPPESMay 9, 2014

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Evergreen Emergency Services Ps — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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