ALAA SAMIH AYYOUB M.D.
NPI 1659688810
Internal Medicine - Interventional Cardiology in Seattle, WA
About Alaa Samih Ayyoub M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAA SAMIH AYYOUB M.D. (NPI 1659688810) is an individual interventional cardiology provider in Seattle, Washington, licensed in Washington (MD61217763) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2007).
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
Alaa Samih Ayyoub M.d. 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 Reassignments
4Medicare enrollment records show Alaa Ayyoub reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Port Angeles, WA 98362
- Reassigned Medicare billing, Washington enrollment
- 112 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 348 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.
Areas of Expertise CMS Part B claims 29
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.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98133 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98133
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 Alaa Ayyoub's NPI number?
The NPI number for Alaa Ayyoub is 1659688810. It was assigned to this individual provider in the NPPES registry on September 9, 2010.
Where is Alaa Ayyoub located?
Alaa Ayyoub practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 520-5000.
What is Alaa Ayyoub's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Alaa Ayyoub enrolled in Medicare?
Yes. Alaa Ayyoub 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 organizations bill Medicare for Alaa Ayyoub's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alaa Ayyoub reassigns Medicare benefits to 4 organizations: The Association Of University Physicians (Seattle, WA), Olympic Medical Physicians (Port Angeles, WA), Lahey Clinic, Inc. (Burlington, MA) and Acadia Hospital Corp (Bangor, ME). Each 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 Alaa Ayyoub's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alaa Ayyoub accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Alaa Ayyoub 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 Alaa Ayyoub affiliated with any hospitals?
According to CMS data, Alaa Ayyoub is affiliated with University Of Washington Medical Ctr.
When was this NPI record last updated?
The NPPES record for Alaa Ayyoub was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.