DR. SIOBHAN MOIRA FLANAGAN M.D.
NPI 1477880276
Radiology - Vascular & Interventional Radiology in Minneapolis, MN
About Dr. Siobhan Moira Flanagan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIOBHAN MOIRA FLANAGAN M.D. (NPI 1477880276) is an individual vascular & interventional radiology provider in Minneapolis, Minnesota, licensed in Minnesota (52776) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, is affiliated with M Health Fairview University Of Mn, and maintains a secondary practice location in Minneapolis.
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
Dr. Siobhan Moira Flanagan M.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 Reassignments
9Medicare enrollment records show Siobhan Flanagan reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55414
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,302 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Minneapolis, MN 55406
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 clinicians in this Medicare group
Woodbury, MN 55125
- Reassigned Medicare billing, Minnesota enrollment
- 955 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
M Health Fairview University Of Mn
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55455 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.
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 Siobhan Flanagan's NPI number?
The NPI number for Siobhan Flanagan is 1477880276. It was assigned to this individual provider in the NPPES registry on November 16, 2009.
Where is Siobhan Flanagan located?
Siobhan Flanagan practices at Mmc 292,420 Delaware Street SE, University Of Minnesota Department Of Radiology, Minneapolis, MN 55455. The listed phone number is (612) 626-5589.
What is Siobhan Flanagan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Siobhan Flanagan enrolled in Medicare?
Yes. Siobhan Flanagan 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 Siobhan Flanagan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siobhan Flanagan reassigns Medicare benefits to 9 organizations: University Of Minnesota Physicians (Minneapolis, MN), Fairview Express Care (Minneapolis, MN), University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN), Fairview Clinics (Minneapolis, MN), Fairview Health Services (Minneapolis, MN) and 4 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 Siobhan Flanagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siobhan Flanagan accept?
Health plans from Sanford Health Plan list Siobhan Flanagan 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 Siobhan Flanagan affiliated with any hospitals?
According to CMS data, Siobhan Flanagan is affiliated with M Health Fairview University Of Mn.
When was this NPI record last updated?
The NPPES record for Siobhan Flanagan was last updated on February 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Dr. Siobhan Moira Flanagan, M.D. · NPI 1477880276
Vascular & Interventional Radiology physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since November 16, 2009.
## Identity
- **NPI:** 1477880276 (Entity type: Individual)
- **Enumerated:** November 16, 2009
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 52776 (Minnesota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** MMC 292,420 DELAWARE STREET SE,, UNIVERSITY OF MINNESOTA DEPARTMENT OF RADIOLOGY, Minneapolis, MN 55455
- **Phone:** (612) 626-5589
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): University Of Minnesota Physicians (NPI 1477598118, Minneapolis, MN); Fairview Express Care (NPI 1629224258, Minneapolis, MN); University Of Minnesota Health Clinics And Surgery Center Inc (NPI 1003485004, Minneapolis, MN); Fairview Clinics (NPI 1043516867, Minneapolis, MN); Fairview Health Services (NPI 1013994359, Minneapolis, MN); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** February 3, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1477880276) · Data from the CMS NPPES public registry.