DR. MICHAEL LLEWELLYN M.D., PH. D.
NPI 1578854659
Radiology - Diagnostic Radiology in Madison, WI
About Dr. Michael Llewellyn M.d., Ph. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL LLEWELLYN M.D., PH. D. (NPI 1578854659) is an individual diagnostic radiology provider in Madison, Wisconsin, licensed in Wisconsin (65136) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center, and is a graduate of Stanford University School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
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. Michael Llewellyn M.d., Ph. 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 Michael Llewellyn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Roseburg, OR 97471
- Reassigned Medicare billing, Oregon enrollment
- Medicare enrollment name: Roseburg Radiologists PC
- 16 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 77
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Center
Acute Care Hospitals · Roseburg, ORSacred Heart Medical Center - Riverbend
Acute Care Hospitals · Springfield, ORCoquille Valley Hospital
Critical Access Hospitals · Coquille, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
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 Michael Llewellyn's NPI number?
The NPI number for Michael Llewellyn is 1578854659. It was assigned to this individual provider in the NPPES registry on April 25, 2011.
Where is Michael Llewellyn located?
Michael Llewellyn practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-8340.
What is Michael Llewellyn's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michael Llewellyn enrolled in Medicare?
Yes. Michael Llewellyn 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 Michael Llewellyn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Llewellyn reassigns Medicare benefits to Roseburg Radiologists P C (Roseburg, OR). 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 Michael Llewellyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Llewellyn affiliated with any hospitals?
According to CMS data, Michael Llewellyn is affiliated with Mercy Medical Center, Sacred Heart Medical Center - Riverbend and Coquille Valley Hospital.
When was this NPI record last updated?
The NPPES record for Michael Llewellyn was last updated on October 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.