GREGORY JOHN MOHRENWEISER CRNA
NPI 1386797512
Nurse Anesthetist, Certified Registered in Minnetonka, MN
About Gregory John Mohrenweiser Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY JOHN MOHRENWEISER CRNA (NPI 1386797512) is an individual nurse anesthetist, certified registered in Minnetonka, Minnesota, licensed in Minnesota (R0870803) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses
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
Gregory John Mohrenweiser Crna 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 Gregory Mohrenweiser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minnetonka, MN 55305
- Reassigned Medicare billing, Minnesota enrollment
- 44 clinicians in this Medicare group
Brooten, MN 56316
- Reassigned Medicare billing, Minnesota enrollment
- 111 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 2
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 55305 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.
MINNETONKA, MN 55305
MINNETONKA, MN 55305
MINNETONKA, MN 55305
MINNETONKA, MN 55305
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 Gregory Mohrenweiser's NPI number?
The NPI number for Gregory Mohrenweiser is 1386797512. It was assigned to this individual provider in the NPPES registry on January 19, 2007.
Where is Gregory Mohrenweiser located?
Gregory Mohrenweiser practices at 13911 Ridgedale Dr Suite 350, Minnetonka, MN 55305. The listed phone number is (952) 932-9012.
What is Gregory Mohrenweiser's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Gregory Mohrenweiser enrolled in Medicare?
Yes. Gregory Mohrenweiser 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 Gregory Mohrenweiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mohrenweiser reassigns Medicare benefits to 2 organizations: Regional Anesthesia Services PA (Minnetonka, MN) and Glacial Ridge Hospital District (Brooten, MN). 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 Gregory Mohrenweiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gregory Mohrenweiser was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Gregory John Mohrenweiser, CRNA · NPI 1386797512
Nurse Anesthetist, Certified Registered physician in Minnetonka, Minnesota. Individual provider, active in the CMS NPPES registry since January 19, 2007.
## Identity
- **NPI:** 1386797512 (Entity type: Individual)
- **Enumerated:** January 19, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R0870803 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 13911 RIDGEDALE DR, SUITE 350, Minnetonka, MN 55305-1771
- **Phone:** (952) 932-9012
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regional Anesthesia Services PA (NPI 1073621850, Minnetonka, MN); Glacial Ridge Hospital District (NPI 1255348223, Brooten, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1386797512) · Data from the CMS NPPES public registry.