DR. ERIN MARY BAUER M.D.
NPI 1386917516
Internal Medicine - Rheumatology in Seattle, WA
About Dr. Erin Mary Bauer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIN MARY BAUER M.D. (NPI 1386917516) is an individual rheumatology provider in Seattle, Washington, licensed in Washington (MD60655644) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of George Washington University School Of Medicine (2011).
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
Dr. Erin Mary Bauer 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 Reassignment
Medicare enrollment records show Erin Bauer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 1,021 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 8
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Virginia Mason Medical Center
Acute Care Hospitals · Seattle, WAHighline Medical Center
Acute Care Hospitals · Burien, WAYakima Valley Memorial
Acute Care Hospitals · Yakima, WASt Joseph Medical Center
Acute Care Hospitals · Tacoma, WASt Francis Community Hospital
Acute Care Hospitals · Federal Way, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98101 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 Erin Bauer's NPI number?
The NPI number for Erin Bauer is 1386917516. It was assigned to this individual provider in the NPPES registry on February 19, 2012.
Where is Erin Bauer located?
Erin Bauer practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6824.
What is Erin Bauer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Erin Bauer enrolled in Medicare?
Yes. Erin Bauer 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 Erin Bauer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Bauer reassigns Medicare benefits to Virginia Mason Medical Center (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 Erin Bauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Bauer accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Erin Bauer 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 Erin Bauer affiliated with any hospitals?
According to CMS data, Erin Bauer is affiliated with Virginia Mason Medical Center, Highline Medical Center, Yakima Valley Memorial, St Joseph Medical Center and St Francis Community Hospital.
When was this NPI record last updated?
The NPPES record for Erin Bauer was last updated on October 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Erin Mary Bauer, M.D. · NPI 1386917516
Rheumatology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since February 19, 2012.
## Identity
- **NPI:** 1386917516 (Entity type: Individual)
- **Enumerated:** February 19, 2012
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** MD60655644 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 9TH AVE, Seattle, WA 98101-2756
- **Phone:** (206) 223-6824
## 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:** Virginia Mason Medical Center (NPI 1003970989, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** October 18, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1386917516) · Data from the CMS NPPES public registry.