MICHAEL JAMES DERR D.O.
NPI 1821167412
Physical Medicine & Rehabilitation in Rochester, MN
About Michael James Derr D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL JAMES DERR D.O. (NPI 1821167412) is an individual physical medicine & rehabilitation provider in Rochester, Minnesota, licensed in Minnesota (49963) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Layton.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Michael James Derr D.o. 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 Derr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 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 5
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.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNMayo Clinic Health System In Red Wing
Acute Care Hospitals · Red Wing, MNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, MN 55905
ROCHESTER, MN 55905
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 Derr's NPI number?
The NPI number for Michael Derr is 1821167412. It was assigned to this individual provider in the NPPES registry on November 7, 2006.
Where is Michael Derr located?
Michael Derr practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Michael Derr's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Michael Derr enrolled in Medicare?
Yes. Michael Derr 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 Derr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Derr reassigns Medicare benefits to Mayo Clinic (Rochester, MN). 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 Derr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Derr affiliated with any hospitals?
According to CMS data, Michael Derr is affiliated with Mayo Clinic Hospital Rochester and Mayo Clinic Health System In Red Wing.
When was this NPI record last updated?
The NPPES record for Michael Derr was last updated on October 24, 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.