Active NPI
Gary P Sterczek, OD
- Optometrist
- Chicago, IL
National Provider Identifier
1346239142
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 046-008006
- Practice address
- 2338 N Clark St Ste 1
Chicago, IL 60614-7043 - Phone
- (773) 857-1260
- Fax
- (773) 857-1624
- NPI assigned
- Oct 14, 2005
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | 046-008006 | IL | Primary |
| Optometrist | 152W00000X | 346-001503 | IL | |
| Optometrist | 152W00000X | 046008006 | IL |
Addresses
Primary practice location
2338 N Clark St Ste 1
Chicago, IL 60614-7043
Mailing address
3943 N Merrimac Ave
Chicago, IL 60634-2512
Phone (847) 849-0260
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: No
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 046-008006 | IL | MD | Optometrist |
| 346-001503 | IL | MD | Optometrist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Visionworks, Inc. | Optometrist | Current | Accepting new patients |
| Visionworks, Inc | Current | Accepting new patients | |
| Randall R Ricketts OD LLC | Optometrist | Past | Accepting new patients |
| Eye Boutique, LLC | Optometrist | Past | Accepting new patients |
Locations
239 Golf Mill Ctr
Ste 255
Niles, IL 60714
Phone (847) 297-2286
2422 US Highway 34
Oswego, IL 60543
Phone (630) 551-4133
7200 Harrison Ave
Unit F35
Rockford, IL 61112
Phone (815) 323-8228
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.
-
- Optometrist
- Niles, IL
- NPI 1831115906
-
- Eyewear Supplier
- Simpsonville, SC
- NPI 1699571166
-
- Optometrist
- Crystal Lake, IL
- NPI 1679721591
-
- Optometrist
- Chicago, IL
- NPI 1881264141
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129248000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778112000000",
"number": "1346239142",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3943 N MERRIMAC AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606342512",
"telephone_number": "847-849-0260",
"fax_number": "773-857-1624"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2338 N CLARK ST STE 1",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606147043",
"telephone_number": "773-857-1260",
"fax_number": "773-857-1624"
}
],
"practiceLocations": [],
"basic": {
"last_name": "STERCZEK",
"first_name": "GARY",
"middle_name": "P",
"name_prefix": "Dr.",
"credential": "OD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-14",
"last_updated": "2026-05-07",
"certification_date": "2026-05-07",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "IL",
"license": "046-008006",
"primary": true
},
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "IL",
"license": "346-001503",
"primary": false
},
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "IL",
"license": "046008006",
"primary": false
}
],
"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 May 7, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.