Active NPI
Sarah Cathleen Peterson, M.D.
- Allergy & Immunology Physician
- Buffalo Grove, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology Physician
- License
- 036125565
- Practice address
- 15 S McHenry Rd
Buffalo Grove, IL 60089-6705 - Phone
- (847) 618-0326
- Fax
- (847) 618-0762
- NPI assigned
- Aug 25, 2008
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 036125565 | IL | |
| Allergy & Immunology Physician | 207K00000X | 036125565 | IL | Primary |
Addresses
Primary practice location
15 S McHenry Rd
Buffalo Grove, IL 60089-6705
Mailing address
15 S McHenry Rd
Buffalo Grove, IL 60089-6705
Phone (847) 618-0326
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | speterson23411@direct.nch.org |
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: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Allergy/Immunology
- Education
- University of Rochester School of Medicine and Dentistry, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
15 S McHenry Rd
Buffalo Grove, IL 60089-6705
Phone (847) 520-9424
2650 Ridge Ave
Evanston, IL 60201-1700
Hospital & facility affiliations
- Northwest Community Hospital 1
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.9 of 100
- Quality
- 75.91
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 74.6
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036125565 | IL | MD | Allergy & Immunology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northwestern Medical Faculty Foundation | Current | Accepting new patients | |
| Northwestern Medical Faculty Foundation | Current | Accepting new patients | |
| Northwest Community Health Services Inc | Allergy & Immunology | Current | Accepting new patients |
| Northwest Community Health Services Inc | Current | Accepting new patients | |
| Endeavor Health Medical Group | Current | Accepting new patients | |
| Endeavor Health Medical Group | Allergy & Immunology | Current | Accepting new patients |
| Northwest Community Healthcare | Past | Accepting new patients |
Locations
1051 W Rand Rd
Arlington Hts, IL 60004
Phone (847) 221-4601
15 S McHenry Rd
Fl 3
Buffalo Grove, IL 60089
Phone (847) 212-3885
1450 Busch Pkwy
Buffalo Grove, IL 60089
Phone (847) 459-7860
15 S McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-6100
1450 Busch Pkwy
Ste 103
Buffalo Grove, IL 60089
Phone (847) 696-1100
Dept 5777
Carol Stream, IL 60122
25233 Network Pl
Chicago, IL 60673
9532 Eagle Way
Chicago, IL 60678
2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222
2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206
2650 Ridge Ave
Ste 1223
Evanston, IL 60201
Phone (847) 982-3175
Interoperability endpoints
- speterson23411@direct.nch.org
- https://epicprdproxy.nch.org/prd-fhir/api/FHIR/R4
Organizations & group practices 7
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.
-
- Emergency Medicine Physician
- Evanston, IL
- NPI 1497701882
Allergy & Immunology
-
- Internal Medicine Physician
- Arlington Heights, IL
- NPI 1134433154
Allergy & Immunology
-
- Multi-Specialty Clinic/Center
- Carol Stream, IL
- NPI 1346235314
-
- Anesthesiology Physician
- Evanston, IL
- NPI 1265695944
-
- Obstetrics Physician
- Arlington Heights, IL
- NPI 1467057513
-
- Durable Medical Equipment & Medical Supplies
- Chicago, IL
- NPI 1417718479
-
- Dental Clinic/Center
- Arlington Heights, IL
- NPI 1386815231
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Arlington Heights, IL
- NPI 1578932869
-
- General Acute Care Hospital
- Arlington Heights, IL
- NPI 1770531600
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1219622400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777334400000",
"number": "1114174828",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15 S MCHENRY RD",
"city": "BUFFALO GROVE",
"state": "IL",
"postal_code": "600896705",
"telephone_number": "847-618-0326",
"fax_number": "847-618-0762"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15 S MCHENRY RD",
"city": "BUFFALO GROVE",
"state": "IL",
"postal_code": "600896705",
"telephone_number": "847-618-0326",
"fax_number": "847-618-0762"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PETERSON",
"first_name": "SARAH",
"middle_name": "CATHLEEN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-08-25",
"last_updated": "2026-04-28",
"certification_date": "2026-04-28",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "036125565",
"primary": false
},
{
"code": "207K00000X",
"taxonomy_group": "",
"desc": "Allergy & Immunology",
"state": "IL",
"license": "036125565",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "speterson23411@direct.nch.org",
"affiliation": "N",
"address_1": "1450 Busch Pkwy Ste 103",
"city": "Buffalo Grove",
"state": "IL",
"country_code": "US",
"postal_code": "600894541",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Buffalo Grove, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.