MARTIN THEODORE GRUNE
NPI 1760411565
Urology in Duluth, MN
About Martin Theodore Grune NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTIN THEODORE GRUNE (NPI 1760411565) is an individual urology provider in Duluth, Minnesota, licensed in Minnesota (39996) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Martin Theodore Grune is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Martin Grune reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Moose Lake, MN 55767
- Reassigned Medicare billing, Minnesota enrollment
- 213 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.
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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Martin Grune's NPI number?
The NPI number for Martin Grune is 1760411565. It was assigned to this individual provider in the NPPES registry on July 2, 2006.
Where is Martin Grune located?
Martin Grune practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.
What is Martin Grune's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Martin Grune enrolled in Medicare?
Yes. Martin Grune is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Martin Grune's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martin Grune reassigns Medicare benefits to Essentia Health Moose Lake (Moose Lake, MN). The 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 Martin Grune'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 Martin Grune was last updated on May 10, 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.
# Martin Theodore Grune · NPI 1760411565
Urology physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since July 2, 2006.
## Identity
- **NPI:** 1760411565 (Entity type: Individual)
- **Enumerated:** July 2, 2006
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 39996 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 E 3RD ST, Duluth, MN 55805-1951
- **Phone:** (218) 786-8364
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Essentia Health Moose Lake (NPI 1154959880, Moose Lake, MN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 10, 2011
- **Other identifiers:** Medicare PIN 340000509 (MN); Medicaid 32329100 (WI); Medicare UPIN F34166; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1760411565) · Data from the CMS NPPES public registry.