ALEXANDER DAVID GAUGER MD
NPI 1427408806
Radiology - Pediatric Radiology in Seattle, WA
About Alexander David Gauger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER DAVID GAUGER MD (NPI 1427408806) is an individual pediatric radiology provider in Seattle, Washington, licensed in Washington (MD61174409) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Seattle Children's Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 3
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
Alexander David Gauger 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 Reassignments
3Medicare enrollment records show Alexander Gauger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- 1,443 clinicians in this Medicare group
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Seattle Childrens Hospital
- 912 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Seattle Children's Hospital
Childrens · Seattle, WAOther 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 Gauger's NPI number?
The NPI number for Alexander Gauger is 1427408806. It was assigned to this individual provider in the NPPES registry on June 16, 2016.
Where is Alexander Gauger located?
Alexander Gauger practices at 1959 NE Pacific St., Seattle, WA 98195. The listed phone number is (206) 205-0005.
What is Alexander Gauger's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is Alexander Gauger enrolled in Medicare?
Yes. Alexander Gauger 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 Alexander Gauger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Gauger reassigns Medicare benefits to 3 organizations: The Association Of Chrmc And University Physicians (Seattle, WA), Seattle Children's Hospital (Seattle, WA) and The Association Of University Physicians (Seattle, WA). 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 Alexander Gauger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Gauger accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Alexander Gauger 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 Gauger affiliated with any hospitals?
According to CMS data, Alexander Gauger is affiliated with Seattle Children's Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Gauger was last updated on September 28, 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.
# Alexander David Gauger, MD · NPI 1427408806
Pediatric Radiology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since June 16, 2016.
## Identity
- **NPI:** 1427408806 (Entity type: Individual)
- **Enumerated:** June 16, 2016
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** MD61174409 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1959 NE PACIFIC ST., Seattle, WA 98195-0001
- **Phone:** (206) 205-0005
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The Association Of Chrmc And University Physicians (NPI 1255449963, Seattle, WA); Seattle Children's Hospital (NPI 1003319500, Seattle, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** September 28, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1427408806) · Data from the CMS NPPES public registry.