MR. DOUGLAS M GRUBE CRNA/APNP
NPI 1760420558
Nurse Anesthetist, Certified Registered in Marshfield, WI
About Mr. Douglas M Grube Crna/apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DOUGLAS M GRUBE CRNA/APNP (NPI 1760420558) is an individual nurse anesthetist, certified registered in Marshfield, Wisconsin, licensed in Wisconsin (372) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc., and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 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
Mr. Douglas M Grube Crna/apnp 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 Douglas Grube reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Stanley, WI 54768
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1356311252 (Wisconsin)
- 168 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Tomah, WI 54660
- Reassigned Medicare billing, Wisconsin enrollment
- 249 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Stevens Point Hospital & Clinics, Inc.
Acute Care Hospitals · Stevens Point, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 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.
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.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
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 Douglas Grube's NPI number?
The NPI number for Douglas Grube is 1760420558. It was assigned to this individual provider in the NPPES registry on June 3, 2006.
Where is Douglas Grube located?
Douglas Grube practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.
What is Douglas Grube's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Douglas Grube enrolled in Medicare?
Yes. Douglas Grube 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 Douglas Grube's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Grube reassigns Medicare benefits to 7 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI), Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Stevens Point, WI), Aspirus Stanley Hospital & Clinics, Inc. (Stanley, 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 Douglas Grube's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Grube accept?
Health plans from Anthem Blue Cross and Blue Shield list Douglas Grube 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 Douglas Grube affiliated with any hospitals?
According to CMS data, Douglas Grube is affiliated with Aspirus Stevens Point Hospital & Clinics, Inc..
When was this NPI record last updated?
The NPPES record for Douglas Grube was last updated on March 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mr. Douglas M Grube, CRNA/APNP · NPI 1760420558
Nurse Anesthetist, Certified Registered physician in Marshfield, Wisconsin. Individual provider, active in the CMS NPPES registry since June 3, 2006.
## Identity
- **NPI:** 1760420558 (Entity type: Individual)
- **Enumerated:** June 3, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 372 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 N OAK AVE, Marshfield, WI 54449-5703
- **Phone:** (715) 387-5511
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Mchs Hospitals Inc (NPI 1093221434, Marshfield, WI); Aspirus Stevens Point Hospital & Clinics, Inc. (NPI 1679706022, Stevens Point, WI); Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (NPI 1144991340, Stevens Point, WI); Aspirus Stanley Hospital & Clinics, Inc. (NPI 1053391730, Stanley, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** March 11, 2024
- **Other identifiers:** Medicaid 43284400 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1760420558) · Data from the CMS NPPES public registry.