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

Individual provider Family Medicine Physician · NPI 1720541295

Burton Sumner Masem, MD is a Family Practice in Yakima, Washington. Graduated from George Washington University School of Medicine in 2019, 7 years ago. Practices with Yakima Valley Farm Workers Clinic, a 276-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
7
Trained at
George Washington University School of Medicine
Licensed in
WA
In the registry since
2019
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

602 E Nob Hill Blvd
Yakima, WA 98901-3534
Phone: (509) 248-3334
Fax: (509) 453-6144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD61332941 (WA)

Record details

NPI number1720541295
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2019
Last updated in NPPESFebruary 17, 2023
Certification dateFebruary 17, 2023
Mailing addressPo Box 190, Toppenish, WA 98948-0190

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Yakima Valley Farm Workers Clinic — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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