MICHAEL EMIL MOLLERUS
NPI 1669402624
Internal Medicine - Clinical Cardiac Electrophysiology in Duluth, MN
About Michael Emil Mollerus NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL EMIL MOLLERUS (NPI 1669402624) is an individual clinical cardiac electrophysiology provider in Duluth, Minnesota, licensed in Minnesota (43213) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of University Of California, San Francisco School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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 Emil Mollerus 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
7Medicare enrollment records show Michael Mollerus reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- 1,460 clinicians in this Medicare group
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: St Marys Medical Center
- 179 clinicians in this Medicare group
Superior, WI 54880
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Marys Hospital Of Superior
- 381 clinicians in this Medicare group
Virginia, MN 55792
- Reassigned Medicare billing, Minnesota enrollment
- 171 clinicians in this Medicare group
Deerwood, MN 56444
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: St Josephs Medical Center
- 340 clinicians in this Medicare group
Brainerd, MN 56401
- Reassigned Medicare billing, Minnesota enrollment
- 127 clinicians in this Medicare group
Wahpeton, ND 58075
- Reassigned Medicare billing, North Dakota enrollment
- 617 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 15
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.
Essentia Health St Mary's Medical Center
Acute Care Hospitals · Duluth, MNEssentia Health Duluth
Acute Care Hospitals · Duluth, MNEssentia Health St Joseph's Medical Center
Acute Care Hospitals · Brainerd, MNPhysician 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.
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 Mollerus's NPI number?
The NPI number for Michael Mollerus is 1669402624. It was assigned to this individual provider in the NPPES registry on July 4, 2006.
Where is Michael Mollerus located?
Michael Mollerus practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.
What is Michael Mollerus's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Michael Mollerus enrolled in Medicare?
Yes. Michael Mollerus 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 Mollerus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mollerus reassigns Medicare benefits to 7 organizations: The Duluth Clinic, Ltd (Duluth, MN), St. Mary's Medical Center (Duluth, MN), St. Mary's Hospital Of Superior (Superior, WI), Essentia Health Virginia, LLC (Virginia, MN), St Joseph's Medical Center (Deerwood, MN) and 2 more organizations, listed in the Medicare section above. 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 Mollerus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Mollerus accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Michael Mollerus 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 Michael Mollerus affiliated with any hospitals?
According to CMS data, Michael Mollerus is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth and Essentia Health St Joseph's Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Mollerus was last updated on May 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 Emil Mollerus · NPI 1669402624
Clinical Cardiac Electrophysiology physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since July 4, 2006.
## Identity
- **NPI:** 1669402624 (Entity type: Individual)
- **Enumerated:** July 4, 2006
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** 43213 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 E 3RD ST, Duluth, MN 55805-1951
- **Phone:** (218) 786-8364
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): The Duluth Clinic, Ltd (NPI 1245278209, Duluth, MN); St. Mary's Medical Center (NPI 1013933936, Duluth, MN); St. Mary's Hospital Of Superior (NPI 1083657886, Superior, WI); Essentia Health Virginia, LLC (NPI 1083617120, Virginia, MN); St Joseph's Medical Center (NPI 1033814066, Deerwood, MN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** May 5, 2011
- **Other identifiers:** Medicaid 004995600 (MN); Medicaid 34060300 (WI); Medicare UPIN H31903; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669402624) · Data from the CMS NPPES public registry.