BENJAMIN AARON WILLENBRING M.D.
NPI 1407140403
Emergency Medicine in Saint Paul, MN
About Benjamin Aaron Willenbring M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN AARON WILLENBRING M.D. (NPI 1407140403) is an individual emergency medicine provider in Saint Paul, Minnesota, licensed in Minnesota (59285) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Regions Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
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
Benjamin Aaron Willenbring 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
7Medicare enrollment records show Benjamin Willenbring reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Paul, MN 55101
- Reassigned Medicare billing, Minnesota enrollment
- 393 clinicians in this Medicare group
Saint Paul, MN 55107
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 clinicians in this Medicare group
Stillwater, MN 55082
- Reassigned Medicare billing, Minnesota enrollment
- 94 clinicians in this Medicare group
Hudson, WI 54016
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1396849303 (Wisconsin)
- 158 clinicians in this Medicare group
New Richmond, WI 54017
- Reassigned Medicare billing, Wisconsin enrollment
- 357 clinicians in this Medicare group
Saint Croix Falls, WI 54024
- Reassigned Medicare billing, Wisconsin enrollment
- 453 clinicians in this Medicare group
Amery, WI 54001
- Reassigned Medicare billing, Wisconsin enrollment
- 348 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 4
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.
Regions Hospital
Acute Care Hospitals · Saint Paul, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55101 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.
SAINT PAUL, MN 55101
ST PAUL, MN 55101
ST PAUL, MN 55101
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 Benjamin Willenbring's NPI number?
The NPI number for Benjamin Willenbring is 1407140403. It was assigned to this individual provider in the NPPES registry on June 7, 2011.
Where is Benjamin Willenbring located?
Benjamin Willenbring practices at 640 Jackson St, Saint Paul, MN 55101. The listed phone number is (651) 254-3456.
What is Benjamin Willenbring's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Benjamin Willenbring enrolled in Medicare?
Yes. Benjamin Willenbring 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 Benjamin Willenbring's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Willenbring reassigns Medicare benefits to 7 organizations: Regions Hospital (Saint Paul, MN), Group Health, Inc. (Saint Paul, MN), Lakeview Memorial Hospital Association Inc. (Stillwater, MN), Hudson Hospital, Inc. (Hudson, WI), Westfields Hospital, Inc. (New Richmond, WI) 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 Benjamin Willenbring's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Benjamin Willenbring affiliated with any hospitals?
According to CMS data, Benjamin Willenbring is affiliated with Regions Hospital.
When was this NPI record last updated?
The NPPES record for Benjamin Willenbring was last updated on May 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Benjamin Aaron Willenbring, M.D. · NPI 1407140403
Emergency Medicine physician in Saint Paul, Minnesota. Individual provider, active in the CMS NPPES registry since June 7, 2011.
## Identity
- **NPI:** 1407140403 (Entity type: Individual)
- **Enumerated:** June 7, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 59285 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 640 JACKSON ST, Saint Paul, MN 55101-2502
- **Phone:** (651) 254-3456
## 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): Regions Hospital (NPI 1154359917, Saint Paul, MN); Group Health, Inc. (NPI 1801941943, Saint Paul, MN); Lakeview Memorial Hospital Association Inc. (NPI 1821114729, Stillwater, MN); Hudson Hospital, Inc. (NPI 1255532875, Hudson, WI); Westfields Hospital, Inc. (NPI 1881640183, New Richmond, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** May 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1407140403) · Data from the CMS NPPES public registry.