MOHAMED ALASSAS MD
NPI 1871609933
Surgery - Surgical Oncology in Seattle, WA
About Mohamed Alassas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMED ALASSAS MD (NPI 1871609933) is an individual surgical oncology provider in Seattle, Washington, licensed in Washington (MD60693493) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mohamed Alassas 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
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 Mohamed Alassas's NPI number?
The NPI number for Mohamed Alassas is 1871609933. It was assigned to this individual provider in the NPPES registry on August 22, 2006.
Where is Mohamed Alassas located?
Mohamed Alassas practices at 1221 Madison St Ste 1401, Seattle, WA 98104. The listed phone number is (206) 386-6700.
What is Mohamed Alassas's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Mohamed Alassas enrolled in Medicare?
Yes. Mohamed Alassas 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.
What insurance does Mohamed Alassas accept?
Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mohamed Alassas 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 Mohamed Alassas affiliated with any hospitals?
According to CMS data, Mohamed Alassas is affiliated with Swedish Medical Center.
When was this NPI record last updated?
The NPPES record for Mohamed Alassas was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.
