DR. ALEXANDER STEVEN HOY MD
NPI 1740741818
Hospitalist in Seattle, WA
About Dr. Alexander Steven Hoy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER STEVEN HOY MD (NPI 1740741818) is an individual hospitalist provider in Seattle, Washington, licensed in Washington (MD61260911) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Alexander Steven Hoy 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 Alexander Hoy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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 7
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 2
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, WAHarborview Medical Center
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98195 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 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Alexander Hoy's NPI number?
The NPI number for Alexander Hoy is 1740741818. It was assigned to this individual provider in the NPPES registry on March 29, 2019.
Where is Alexander Hoy located?
Alexander Hoy practices at 1959 NE Pacific St., Seattle, WA 98195. The listed phone number is (206) 520-5000.
What is Alexander Hoy's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Alexander Hoy enrolled in Medicare?
Yes. Alexander Hoy 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 Alexander Hoy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Hoy reassigns Medicare benefits to The Association Of University Physicians (Seattle, 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 Alexander Hoy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Hoy accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Alexander Hoy 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 Alexander Hoy affiliated with any hospitals?
According to CMS data, Alexander Hoy is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Hoy was last updated on December 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.