MICHAEL J SASSMAN DO
NPI 1841263803
Radiology - Vascular & Interventional Radiology in Duluth, MN
About Michael J Sassman Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J SASSMAN DO (NPI 1841263803) is an individual vascular & interventional radiology provider in Duluth, Minnesota, licensed in Colorado (34820) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Michael J Sassman Do 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
2Medicare enrollment records show Michael Sassman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Collins, CO 80524
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Longmont, CO 80504
- Reassigned Medicare billing, Colorado enrollment
- 320 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 14
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55805 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.
DULUTH, MN 55805
DULUTH, MN 55805
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 Sassman's NPI number?
The NPI number for Michael Sassman is 1841263803. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is Michael Sassman located?
Michael Sassman practices at 407 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-1111.
What is Michael Sassman's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Michael Sassman enrolled in Medicare?
Yes. Michael Sassman 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 Michael Sassman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sassman reassigns Medicare benefits to 2 organizations: University Physicians Incorporated (Fort Collins, CO) and Uchealth Imaging Services, LLC (Longmont, CO). 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 Michael Sassman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Sassman accept?
Health plans from Select Health list Michael Sassman 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.
When was this NPI record last updated?
The NPPES record for Michael Sassman was last updated on June 14, 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.
# Michael J Sassman, DO · NPI 1841263803
Vascular & Interventional Radiology physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since February 9, 2006.
## Identity
- **NPI:** 1841263803 (Entity type: Individual)
- **Enumerated:** February 9, 2006
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 34820 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 407 E 3RD ST, Duluth, MN 55805-1950
- **Phone:** (218) 786-1111 · **Fax:** (218) 786-4091
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Physicians Incorporated (NPI 1386215168, Fort Collins, CO); Uchealth Imaging Services, LLC (NPI 1104570209, Longmont, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** June 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1841263803) · Data from the CMS NPPES public registry.