Active NPI
Ethan Rosenke Schaefer
- Anesthesiologist Assistant
- Milwaukee, WI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiologist Assistant
- License
- 129
- Practice address
- 9200 W Wisconsin Ave
Milwaukee, WI 53226 - Phone
- (414) 805-8700
- Fax
- (414) 259-1522
- NPI assigned
- Nov 21, 2018
- 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 |
|---|---|---|---|---|
| Anesthesiologist Assistant | 367H00000X | 129 | WI | Primary |
Addresses
Primary practice location
9200 W Wisconsin Ave
Milwaukee, WI 53226
Mailing address
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 805-8700
Other practice location 1
8701 W Watertown Plank Rd
Milwaukee, WI 53226-3548
Phone (414) 955-8296
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1093284861 | Medicaid | WI |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WI, NC
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology Assistant
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone (414) 266-2000
Merit-based Incentive Payment System (MIPS)
- Final score
- 87.99 of 100
- Quality
- 82.81
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 77.15
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Associate of Arts
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 129 | WI | MD | Anesthesiologist Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| American Anesthesiology of North Carolina, PLLC | Current | Accepting new patients | |
| Children'S Specialty Group, Inc. | Anesthesiologist Assistant | Current | Accepting new patients |
| The Medical College of Wisconsin, Inc. | Current | Accepting new patients | |
| American Anesthesiology of North Carolina, PLLC | Current | Accepting new patients |
Locations
3100 Spring Forest Rd
Ste 130
Raleigh, NC 27616
Phone (919) 882-0705
4420 Lake Boone Trl
Raleigh, NC 27607
Phone (919) 784-3034
1305 Walt Whitman Rd
Ste 300
Melville, NY 11747
Phone (516) 370-3796
8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100
9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625
9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000
Interoperability endpoints
- eschaefer60309@direct.chw.org
Organizations & group practices 4
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.
-
- Pediatrics Physician
- Milwaukee, WI
- NPI 1942970405
Anesthesiologist Assistant
-
- Internal Medicine Physician
- Milwaukee, WI
- NPI 1699720086
-
- Certified Registered Nurse Anesthetist
- Burlington, NC
- NPI 1053677195
-
- Pain Medicine (Anesthesiology) Physician
- Wake Forest, NC
- NPI 1942248547
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1542758400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1740355200000",
"number": "1093284861",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9200 W WISCONSIN AVE",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "532263522",
"telephone_number": "414-805-8700",
"fax_number": "414-259-1522"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9200 W WISCONSIN AVE",
"city": "MILWAUKEE",
"state": "WI",
"postal_code": "53226",
"telephone_number": "414-805-8700",
"fax_number": "414-259-1522"
}
],
"practiceLocations": [
{
"address_1": "8701 W Watertown Plank Rd",
"address_purpose": "LOCATION",
"city": "Milwaukee",
"state": "WI",
"postal_code": "532263548",
"country_code": "US",
"telephone_number": "414-955-8296",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SCHAEFER",
"first_name": "ETHAN",
"middle_name": "ROSENKE",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-11-21",
"last_updated": "2025-02-24",
"certification_date": "2025-02-24",
"status": "A"
},
"taxonomies": [
{
"code": "367H00000X",
"taxonomy_group": "",
"desc": "Anesthesiologist Assistant",
"state": "WI",
"license": "129",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1093284861",
"state": "WI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Milwaukee, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.