DR. RYAN MICHAEL MILLS MD
NPI 1184990111
Radiology - Diagnostic Radiology in Tacoma, WA
About Dr. Ryan Michael Mills Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN MICHAEL MILLS MD (NPI 1184990111) is an individual diagnostic radiology provider in Tacoma, Washington, licensed in Washington (MD60829825) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with St Clare Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 6
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. Ryan Michael Mills 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
4Medicare enrollment records show Ryan Mills reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98402
- Reassigned Medicare billing, Washington enrollment
- 137 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 116 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 133 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 137 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 114
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.
St Clare Hospital
Acute Care Hospitals · Lakewood, WAMulticare Good Samaritan Hospital
Acute Care Hospitals · Puyallup, WASt Joseph Medical Center
Acute Care Hospitals · Tacoma, WATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WASt Anthony Hospital
Acute Care Hospitals · Gig Harbor, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98402 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.
TACOMA, WA 98402
TACOMA, WA 98402
TACOMA, WA 98402
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 Ryan Mills's NPI number?
The NPI number for Ryan Mills is 1184990111. It was assigned to this individual provider in the NPPES registry on March 23, 2012.
Where is Ryan Mills located?
Ryan Mills practices at 1304 Fawcett Ave Ste 100, Tacoma, WA 98402. The listed phone number is (253) 761-4200.
What is Ryan Mills's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ryan Mills enrolled in Medicare?
Yes. Ryan Mills 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 Ryan Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Mills reassigns Medicare benefits to 4 organizations: Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance (Tacoma, WA), Tra Medical Imaging Centers LLC (Tacoma, WA), Union Avenue Open Mri LLC (Tacoma, WA) and Tra-Minw P S (Tacoma, 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 Ryan Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Mills accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Ryan Mills 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 Ryan Mills affiliated with any hospitals?
According to CMS data, Ryan Mills is affiliated with St Clare Hospital, Multicare Good Samaritan Hospital, St Joseph Medical Center, Tacoma General Allenmore Hospital and St Anthony Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Mills was last updated on August 30, 2024. 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.