Active NPI
Avigdor Gregory Asner, DO
- Hospitalist Physician
- Grafton, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- 81731
- Practice address
- 975 Port Washington Rd
Grafton, WI 53024-9201 - Phone
- (262) 329-1000
- NPI assigned
- Jun 10, 2019
- Last updated
- Sep 18, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | R-11658 | IA | |
| Hospitalist Physician | 208M00000X | 81731 | WI | Primary |
Addresses
Primary practice location
975 Port Washington Rd
Grafton, WI 53024-9201
Mailing address
PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250
Other practice location 1
1345 W Central Park Ave
Davenport, IA 52804-1844
Phone (563) 421-4400
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100331252 | Medicaid | WI |
Other names 1
- Dr. Avi Gregory Asner
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ | ||
| Direct Messaging Address | aasner431116@direct.myadvocateaurora.org | Direct | |
| Direct Messaging Address | avigdor.asner@direct.genesishealth.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA, WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Hospitalist
- Education
- Nova Southeastern College of Osteo Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
975 Port Washington Rd
Grafton, WI 53024-9204
Phone (262) 329-8650
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 34.85 of 100
- Quality
- 21.4
- Improvement activities
- 0
- Cost
- 76.92
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R-11658 | IA | MD | Family Medicine Physician |
| 81731 | WI | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Aurora Medical Group, Inc. | Current | Accepting new patients | |
| Genesis Health System | Current | Accepting new patients | |
| Aurora Medical Group, Inc. | Family Medicine | Current | Accepting new patients |
| Genesis Health System | Family Medicine | Current | Accepting new patients |
| Aurora Medical Group, Inc. | Current | Accepting new patients | |
| Genesis Health System | Past | Accepting new patients |
Locations
865 Lincoln Rd
Ste 100
Bettendorf, IA 52722
Phone (563) 355-1000
1227 E Rusholme St
Davenport, IA 52803
Phone (563) 324-8160
1345 W Central Park Ave
Davenport, IA 52804
Phone (563) 421-4400
4700 E 56th St
Ste 100
Davenport, IA 52807
Phone (563) 383-2667
975 Port Washington Rd
Grafton, WI 53024
Phone (262) 329-1000
1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056
Interoperability endpoints
- aasner431116@direct.myadvocateaurora.org
- avigdor.asner@direct.genesishealth.com
Organizations & group practices 6
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.
-
- Certified Registered Nurse Anesthetist
- Milwaukee, WI
- NPI 1427271378
Family Medicine
-
- Durable Medical Equipment & Medical Supplies
- Oshkosh, WI
- NPI 1326858044
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Milwaukee, WI
- NPI 1659599157
-
dba Genesis Medical Center - Silvis
- General Acute Care Hospital
- Silvis, IL
- NPI 1427132604
-
dba Genesis Medical Center Davenport
- General Acute Care Hospital
- Davenport, IA
- NPI 1972542264
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Grafton, WI
- NPI 1265740195
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1560124800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758153600000",
"number": "1962061242",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 735044",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606735044",
"telephone_number": "800-326-2250"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "975 PORT WASHINGTON RD",
"city": "GRAFTON",
"state": "WI",
"postal_code": "530249201",
"telephone_number": "262-329-1000"
}
],
"practiceLocations": [
{
"address_1": "1345 W Central Park Ave",
"address_purpose": "LOCATION",
"city": "Davenport",
"state": "IA",
"postal_code": "528041844",
"country_code": "US",
"telephone_number": "563-421-4400",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ASNER",
"first_name": "AVIGDOR",
"middle_name": "GREGORY",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-06-10",
"last_updated": "2025-09-18",
"certification_date": "2025-09-18",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "IA",
"license": "R-11658",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "WI",
"license": "81731",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100331252",
"state": "WI"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "975 Port Washington Rd",
"city": "Grafton",
"state": "WI",
"country_code": "US",
"postal_code": "530249201",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "aasner431116@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "975 Port Washington Rd",
"city": "Grafton",
"state": "WI",
"country_code": "US",
"postal_code": "530249201",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "avigdor.asner@direct.genesishealth.com",
"affiliation": "N",
"endpointDescription": "Genesis Health System Direct Email Address",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "CCDA",
"address_1": "1345 W Central Park Ave",
"city": "Davenport",
"state": "IA",
"country_code": "US",
"postal_code": "528041844",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": [
{
"first_name": "AVI",
"last_name": "ASNER",
"middle_name": "GREGORY",
"prefix": "DR.",
"credential": "DO",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Grafton, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2025; 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.