Active NPI
Gerrit Max Dunford
- Surgery Physician
- McHenry, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 036149067
- Practice address
- 4309 W Medical Center Dr Ste B202
McHenry, IL 60050-8417 - Phone
- (815) 455-2752
- Fax
- (815) 455-2789
- NPI assigned
- Apr 28, 2016
- Last updated
- Oct 22, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 036149067 | IL | Primary |
Addresses
Primary practice location
4309 W Medical Center Dr Ste B202
McHenry, IL 60050-8417
Mailing address
4309 W Medical Center Dr Ste B202
McHenry, IL 60050-8417
Phone (815) 455-2752
Other practice location 1
10350 Haligus Rd Ste 220
Huntley, IL 60142-9585
Phone (847) 802-7230
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, 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
- General Surgery
- Education
- University of Nevada School of Medicine, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1000 Mineral Point Ave
Janesville, WI 53548-2940
Phone (608) 756-6000
10370 Haligus Rd
Suite 201
Huntley, IL 60142-9582
Phone (847) 802-7090
2100 Pfingsten Rd
Glenview, IL 60026-1301
2650 Ridge Ave
Evanston, IL 60201-1700
2739 W Foster Ave
Chicago, IL 60625-3661
Phone (773) 878-8200
5145 N California
Hosps Suite 331
Chicago, IL 60625-3661
Phone (847) 570-2280
5145 N California Ave
Chicago, IL 60625-3661
Phone (773) 878-8200
Hospital & facility affiliations
- Mercy Health System Corp
- Northwestern Medicine McHenry
- Northshore University Healthsystem - Evanston Hospital
- Mercy Walworth Hospital & Medical Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036149067 | IL | MD | Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Central Dupage Physician Group | Current | Accepting new patients | |
| Osipova Surgical Service Corporation | Surgery | Current | Accepting new patients |
| Endeavor Health Medical Group | Current | Accepting new patients | |
| Endeavor Health Medical Group | Current | Accepting new patients | |
| Mercy Health System Corporation | Current | Accepting new patients | |
| Mercy Health System Corporation | Current | Accepting new patients | |
| Central Dupage Physician Group | Current | Accepting new patients | |
| PCC Community Wellness Center | Past | Accepting new patients | |
| CDN Surgical Assoc., LTD. | Past | Accepting new patients |
Locations
Dept 5777
Carol Stream, IL 60122
2900 N Lakeshore
Chicago, IL 60657
Phone (773) 665-3240
29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652
331 W Surf St
Ste 714
Chicago, IL 60657
Phone (773) 472-3427
9532 Eagle Way
Chicago, IL 60678
2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206
2650 Ridge Ave
#1223
Evanston, IL 60201
Phone (847) 982-3172
2650 Ridge Ave
#2507
Evanston, IL 60201
Phone (847) 570-1271
2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222
10350 Haligus Rd
Ste 220
Huntley, IL 60142
Phone (847) 802-7230
10370 Haligus Rd
Ste 201
Huntley, IL 60142
Phone (815) 356-5200
4309 W Medical Center Dr
Ste B202
McHenry, IL 60050
Phone (815) 344-3900
1S376 Summit Ave
Ste 4C
Oakbrook Terrace, IL 60181
Phone (630) 424-1122
1800 N Main St
Wheaton, IL 60187
Phone (630) 469-0045
1000 Mineral Point Ave
Janesville, WI 53548
Phone (608) 261-6868
Organizations & group practices 9
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.
-
dba Northwestern Medicine Regional Medical Group
- Family Medicine Physician
- Carol Stream, IL
- NPI 1033149844
-
dba NorthShore University HealthSystem Faculty Practice Associates
- Emergency Medicine Physician
- Evanston, IL
- NPI 1497701882
-
dba MHS Physician Services
- Multi-Specialty Clinic/Center
- Janesville, WI
- NPI 1598718603
-
dba Northwestern Medicine Regional Medical Group
- Orthopaedic Surgery Physician
- Geneva, IL
- NPI 1780012344
-
dba NorthShore Anesthesia Group
- Anesthesiology Physician
- Evanston, IL
- NPI 1265695944
-
dba Mercy Walworth Hospital and Medical Center
- Critical Access Hospital
- Lake Geneva, WI
- NPI 1699728550
-
- Vascular Surgery Physician
- Chicago, IL
- NPI 1528114501
-
dba PCC Austin Dental & Specialty Care Center
- Federally Qualified Health Center (FQHC)
- Chicago, IL
- NPI 1134954506
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Endeavor Health Evanston Hospital
- General Acute Care Hospital
- Evanston, IL
- NPI 1184670549
-
dba Centegra Hospital McHenry
- General Acute Care Hospital
- McHenry, IL
- NPI 1982611281
-
dba Mercy Hospital Janesville
- General Acute Care Hospital
- Janesville, WI
- NPI 1093768962
-
dba Mercy Walworth Hospital and Medical Center
- Critical Access Hospital
- Lake Geneva, WI
- NPI 1699728550
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1461801600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761091200000",
"number": "1326493271",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4309 W MEDICAL CENTER DR STE B202",
"city": "MCHENRY",
"state": "IL",
"postal_code": "600508417",
"telephone_number": "815-455-2752",
"fax_number": "815-455-2789"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4309 W MEDICAL CENTER DR STE B202",
"city": "MCHENRY",
"state": "IL",
"postal_code": "600508417",
"telephone_number": "815-455-2752",
"fax_number": "815-455-2789"
}
],
"practiceLocations": [
{
"address_1": "10350 Haligus Rd Ste 220",
"address_purpose": "LOCATION",
"city": "Huntley",
"state": "IL",
"postal_code": "601429585",
"country_code": "US",
"telephone_number": "847-802-7230",
"fax_number": "847-802-7231",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DUNFORD",
"first_name": "GERRIT",
"middle_name": "MAX",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2016-04-28",
"last_updated": "2025-10-22",
"certification_date": "2025-10-22",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "IL",
"license": "036149067",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in McHenry, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.