Active NPI
Zachary Jon Ahola, MD
- Family Medicine Physician
- Columbus, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 81565-20
- Practice address
- 1515 Park Ave
Columbus, WI 53925-2402 - Phone
- (920) 623-2200
- NPI assigned
- May 21, 2018
- Last updated
- Feb 13, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 81565-20 | WI | Primary |
Addresses
Primary practice location
1515 Park Ave
Columbus, WI 53925-2402
Mailing address
1515 Park Ave
Columbus, WI 53925-2402
Phone (920) 623-2200
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in UT, WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- University of Wisconsin School of Medicine, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
501 Granite St
Hurley, WI 54534-1372
Phone (906) 561-2255
N10561 Grandview LN
Ironwood, MI 49938-9622
Phone (906) 932-2525
N10561 Granview LN
Grand View Hospital
Ironwood, MI 49938-9622
Phone (906) 932-2525
N10565 Grand View Lane
Ironwood, MI 49938-9622
N10565 Grandview Lane
Ironwood, MI 49938-9622
N10565 Grandview LN Aspirus Ironwood
Ironwood, MI 49938-9622
Phone (715) 843-1067
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.82 of 100
- Quality
- 92.4
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 81565-20 | WI | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ihc Health Services, Inc. | Current | Accepting new patients | |
| Ihc Health Services Inc | Current | Accepting new patients | |
| Prairie Ridge Health, Inc. | Current | Accepting new patients | |
| Aspirus Ironwood Hospital & Clinics, Inc. | Current | Accepting new patients | |
| Aspirus Ironwood Hospital & Clinics, Inc. | Current | Accepting new patients | |
| Prairie Ridge Health Inc. | Family Medicine | Current | Accepting new patients |
| Prairie Ridge Health, Inc. | Current | Accepting new patients | |
| Ihc Health Services Inc | Current | Accepting new patients | |
| Aspirus Ironwood Hospital & Clinics, Inc. | Family Medicine | Current | Accepting new patients |
Locations
29980 Network Pl
Chicago, IL 60673
N10561 Grandview Ln
Ironwood, MI 49938
Phone (906) 932-1500
N10565 Grandview Ln
Ironwood, MI 49938
Phone (906) 932-1500
700 S Highway 99
Ste 3
Fillmore, UT 84631
Phone (435) 743-5555
390 N Main St
N Salt Lake, UT 84010
Phone (801) 294-1000
2400 N Washington Blvd
Ogden, UT 84414
Phone (801) 387-8300
4403 Harrison Blvd
Ste 700A
Ogden, UT 84403
1515 Park Ave
Columbus, WI 53925
Phone (920) 623-1200
Organizations & group practices 11
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Multi-Specialty Clinic/Center
- Sandy, UT
- NPI 1942325154
-
dba Aspirus Ironwood Clinic
- Family Medicine Physician
- Ironwood, MI
- NPI 1992704753
-
- Critical Access Hospital
- Columbus, WI
- NPI 1154403657
-
- Critical Access Hospital
- Columbus, WI
- NPI 1841376183
-
dba Prairie Ridge Health Clinic-Sun Prairie
- Family Medicine Physician
- Sun Prairie, WI
- NPI 1699534545
-
dba Prairie Ridge Health Clinic
- Primary Care Clinic/Center
- Marshall, WI
- NPI 1477005544
-
- Orthopaedic Surgery Physician
- Columbus, WI
- NPI 1912329335
-
dba Aspirus Palliative Medicine - Michigan
- Hospice and Palliative Medicine (Internal Medicine) Physician
- Ironwood, MI
- NPI 1609743590
-
- Critical Access Hospital
- Ironwood, MI
- NPI 1649297342
-
dba McKay Dee Infectious Disease
- Infectious Disease Physician
- Ogden, UT
- NPI 1255607123
-
dba St George Adolescent Partial Hospitalization
- Psychiatry Physician
- St George, UT
- NPI 1023843844
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Aspirus Hurley Clinic
- Rural Health Clinic/Center
- Hurley, WI
- NPI 1154434249
Hospital
-
- Critical Access Hospital
- Columbus, WI
- NPI 1154403657
-
- Critical Access Hospital
- Columbus, WI
- NPI 1841376183
-
dba Aspirus Eye Center - Iron River
- Ophthalmology Physician
- Iron River, MI
- NPI 1073293999
Hospital
-
dba Aspirus Eye Center Ironwood
- Ophthalmology Physician
- Ironwood, MI
- NPI 1609034099
Hospital
-
- Critical Access Hospital
- Ironwood, MI
- NPI 1649297342
-
dba Aspirus Ironwood Clinic
- Family Medicine Physician
- Ironwood, MI
- NPI 1992704753
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1526860800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770940800000",
"number": "1003307539",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1515 PARK AVE",
"city": "COLUMBUS",
"state": "WI",
"postal_code": "539252402",
"telephone_number": "920-623-2200"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1515 PARK AVE",
"city": "COLUMBUS",
"state": "WI",
"postal_code": "539252402",
"telephone_number": "920-623-2200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "AHOLA",
"first_name": "ZACHARY",
"middle_name": "JON",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-05-21",
"last_updated": "2026-02-13",
"certification_date": "2026-02-13",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "WI",
"license": "81565-20",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Columbus, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.