Active NPI
Jake Schaffer, PA-C
- Physician Assistant
- Chicago, IL
National Provider Identifier
1396432027
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 085009704
- Practice address
- 5841 S Maryland Ave
Chicago, IL 60637-1443 - Phone
- (888) 824-0200
- NPI assigned
- Apr 21, 2023
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 085009704 | IL | Primary |
Addresses
Primary practice location
5841 S Maryland Ave
Chicago, IL 60637-1443
Mailing address
630 N Franklin St Apt 410
Chicago, IL 60654-8328
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1901 W Harrison St
Chicago, IL 60612-3714
Phone (312) 633-7292
500 E 51St St
Chicago, IL 60615-2494
Phone (312) 572-2000
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (773) 702-1000
Hospital & facility affiliations
- The University of Chicago Medical Center
- John H Stroger Jr Hospital
- Provident Hospital of Chicago
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.11 of 100
- Quality
- 74.7
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 85.45
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 085009704 | IL | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cook County | Current | Accepting new patients | |
| Cook County | Current | Accepting new patients | |
| John H Stroger Jr Hospital Cook County | Past | Accepting new patients |
Locations
500 E 51st St
Chicago, IL 60615
Phone (312) 572-2000
1901 W Harrison St
Chicago, IL 60612
Phone (312) 864-5100
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 and National Provider Directory roles.
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1588612832
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1033218128
-
- Multi-Specialty Clinic/Center
- Chicago, IL
- NPI 1821048786
-
- Emergency Medicine Physician
- Chicago, IL
- NPI 1821385170
-
- Multi-Specialty Clinic/Center
- Chicago, IL
- NPI 1831219450
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1992914733
Hospital & facility affiliations 33
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1682035200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771200000000",
"number": "1396432027",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "630 N FRANKLIN ST APT 410",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606548328"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5841 S MARYLAND AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606371443",
"telephone_number": "888-824-0200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SCHAFFER",
"first_name": "JAKE",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-21",
"last_updated": "2026-02-16",
"certification_date": "2026-02-16",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "IL",
"license": "085009704",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 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.