BURTON SUMNER MASEM MD
NPI 1720541295
Family Medicine in Yakima, WA
About Burton Sumner Masem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BURTON SUMNER MASEM MD (NPI 1720541295) is an individual family medicine provider in Yakima, Washington, licensed in Washington (MD61332941) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Yakima Valley Memorial, and is a graduate of George Washington University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Burton Sumner Masem Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Burton Masem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Yakima, WA 98901
- Reassigned Medicare billing, Washington enrollment
- 252 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Yakima Valley Memorial
Acute Care Hospitals · Yakima, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Burton Masem's NPI number?
The NPI number for Burton Masem is 1720541295. It was assigned to this individual provider in the NPPES registry on April 10, 2019.
Where is Burton Masem located?
Burton Masem practices at 602 E Nob Hill Blvd, Yakima, WA 98901. The listed phone number is (509) 248-3334.
What is Burton Masem's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Burton Masem enrolled in Medicare?
Yes. Burton Masem is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Burton Masem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Burton Masem reassigns Medicare benefits to Yakima Valley Farm Workers Clinic (Yakima, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Burton Masem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Burton Masem accept?
Health plans from Ambetter Health, Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Burton Masem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Burton Masem affiliated with any hospitals?
According to CMS data, Burton Masem is affiliated with Yakima Valley Memorial.
When was this NPI record last updated?
The NPPES record for Burton Masem was last updated on February 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Burton Sumner Masem, MD · NPI 1720541295
Family Medicine physician in Yakima, Washington. Individual provider, active in the CMS NPPES registry since April 10, 2019.
## Identity
- **NPI:** 1720541295 (Entity type: Individual)
- **Enumerated:** April 10, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD61332941 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 602 E NOB HILL BLVD, Yakima, WA 98901-3534
- **Phone:** (509) 248-3334 · **Fax:** (509) 453-6144
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Yakima Valley Farm Workers Clinic (NPI 1174659890, Yakima, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** February 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1720541295) · Data from the CMS NPPES public registry.