Nathan D Grabher, M.D.

Individual provider Active NPI Anesthesiology Physician · Wausau, WI

NPI 1760618623 · NPPES record last updated Nov 14, 2017

Key facts

NPI
1760618623
Entity type
Individual (NPI type 1)
Primary specialty
Anesthesiology Physician 207L00000X
License
56233-20 (WI)
Practice address
425 Pine Ridge Blvd
Wausau, WI 54401-4123
Phone
(715) 845-5505
Fax
(715) 848-2792
NPI assigned
Jun 5, 2009
Sex
Male
Sole proprietor
No

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 10

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Medicare Care Compare profile

Specialty
Anesthesiology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Central Wisconsin Anesthesiology (57 clinicians)
Aspirus Riverview Hospital and Clinics Inc (166 clinicians)

Practice addresses (Care Compare)

333 Pine Ridge Blvd
Wausau, WI 54401-4120
Phone (715) 848-2792

410 Dewey St
Wisconsin Rapids, WI 54494-4715
Phone (715) 423-6060

420 Dewey St
Wisconsin Rapids, WI 54494-4714
Phone (715) 422-7750

Hospital & facility affiliations

  • Aspirus Wausau Hospital Hospital · Wausau, WI · CCN 520030

Merit-based Incentive Payment System (MIPS)

Final score
90.65 of 100 (group)
Quality
87.9
Promoting interoperability
100
Improvement activities
40
Cost
73.87

Merit-based Incentive Payment System (MIPS)

Final score
79.11 of 100 (group)
Quality
74.74
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
87.84 of 100 (group)
Quality
86.21
Promoting interoperability
100
Improvement activities
40
Cost
73.25

Medicare participation

Medicare fee-for-service enrollment
Enrolled (2 enrollments) in WI, MI
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20130731000650 WI Practitioner - Anesthesiology 5991946006 Reassigns benefits to 4 organizations
I20260203002019 MI Practitioner - Anesthesiology 5991946006 Reassigns benefits to 2 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. Current
since Jun 1, 2024
Accepting new patients
Aspirus Iron River Hospital & Clinics, Inc. Current
since Jan 26, 2026
Accepting new patients
Aspirus Riverview Hospital & Clinics, Inc. Current Accepting new patients
Aspirus Iron River Hospital & Clinics, Inc. Current
since Jan 26, 2026
Accepting new patients
Aspirus Riverview Hospital & Clinics, Inc. Current
since Oct 9, 2023
Accepting new patients
Aspirus Iron River Hospital & Clinics, Inc. Current
since Jan 26, 2026
Accepting new patients
Aspirus Riverview Hospital & Clinics, Inc. Current
since Oct 9, 2023
Accepting new patients
Central Wisconsin Anesthesiology Anesthesiology Current
since Aug 5, 2013
Accepting new patients
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. Current
since Jun 1, 2024
Accepting new patients

Locations

29980 Network Pl
Chicago, IL 60673

1400 W Ice Lake Rd
Iron River, MI 49935
Phone (906) 265-6121

400 W Glen St
Crandon, WI 54520
Phone (715) 478-3318

2251 N Shore Dr
Ste 100
Rhinelander, WI 54501
Phone (715) 361-2074

900 Illinois Ave
Stevens Point, WI 54481
Phone (715) 342-7500

401 W Mohawk Dr
Ste 100
Tomahawk, WI 54487
Phone (715) 453-7700

333 Pine Ridge Blvd
Wausau, WI 54401
Phone (715) 847-2160

425 Pine Ridge Blvd
Ste 21
Wausau, WI 54401

425 Pine Ridge Blvd
Ste 211
Wausau, WI 54401
Phone (715) 845-5505

2809 Westhill Dr
Wausau, WI 54401
Phone (715) 842-4490

420 Dewey St
Wisconsin Rapids, WI 54494
Phone (715) 421-7474

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 56233-20 WI Yes

Addresses

Primary practice location

425 Pine Ridge Blvd
Wausau, WI 54401-4123

Mailing address

425 Pine Ridge Blvd
Wausau, WI 54401-4123
Phone (715) 845-5505

Other providers in Wausau, WI

All providers in Wausau, WI · Anesthesiology Physician in Wisconsin

Sources for this page

Verify at the official NPI Registry.