Active NPI
Sarah Madison Duff, MD
- Pediatric Ophthalmology and Strabismus Specialist Physician
- Louisville, KY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Ophthalmology and Strabismus Specialist Physician
- License
- 61667
- Practice address
- 2933 Breckenridge LN Ste 102
Louisville, KY 40220-1494 - Phone
- (502) 588-9588
- Fax
- (502) 588-0554
- NPI assigned
- Apr 10, 2017
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Ophthalmology and Strabismus Specialist Physician | 207WX0110X | 61667 | KY | Primary |
| Ophthalmology Physician | 207W00000X | 2022-00769 | NC | |
| Pediatric Ophthalmology and Strabismus Specialist Physician | 207WX0110X | 2022-00769 | NC | |
| Ophthalmology Physician | 207W00000X | U2189 | TX |
Addresses
Primary practice location
2933 Breckenridge LN Ste 102
Louisville, KY 40220-1494
Mailing address
PO Box 776879
Chicago, IL 60677-6879
Phone (502) 558-5048
Other practice location 1
1106 Alexis Ct.
Pediatric Eye Specialist
Mansfield, TX 76063
Phone (817) 529-9499 ext. 203
Other practice location 2
129 Chandler Rd.
Keller, TX 76248
Phone (817) 529-9949 ext. 203
Other practice location 3
4200 W University Dr Ste 320
Prosper, TX 75078-9805
Phone (817) 529-9949 ext. 203
Other practice location 4
321 S Henderson St
Fort Worth, TX 76104-1016
Phone (817) 529-9949
Other practice location 5
2212 Emery St
Denton, TX 76201-1100
Phone (817) 529-9949
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- 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
- Ophthalmology
- Education
- Other, 2018
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
321 S Henderson St
Fort Worth, TX 76104-1016
Phone (817) 529-9949
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| U2189 | TX | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pediatric Eye Specialists LLP | Ophthalmology | Current | Accepting new patients |
| Specialeyes Optical, LLC | Past | Accepting new patients | |
| Specialeyes Optical, LLC | Past | Accepting new patients | |
| Specialeyes Optical, LLC | Past | Accepting new patients |
Locations
2212 Emery St
Denton, TX 76201
Phone (817) 529-9949
321 S Henderson St
Fort Worth, TX 76104
Phone (817) 529-9949
1106 Alexis Ct
Mansfield, TX 76063
Phone (817) 529-9929
4200 W University Dr
Ste 320
Prosper, TX 75078
Phone (469) 344-7667
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.
-
- Ophthalmology Physician
- Fort Worth, TX
- NPI 1760507149
-
- Optometrist
- Mansfield, TX
- NPI 1124573092
-
- Optometrist
- Keller, TX
- NPI 1679028542
-
- Optometrist
- Denton, TX
- NPI 1821564964
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1491782400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781568000000",
"number": "1417480153",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 776879",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606776879",
"telephone_number": "502-558-5048"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2933 BRECKENRIDGE LN STE 102",
"city": "LOUISVILLE",
"state": "KY",
"postal_code": "402201494",
"telephone_number": "502-588-9588",
"fax_number": "502-588-0554"
}
],
"practiceLocations": [
{
"address_1": "1106 Alexis Ct.",
"address_2": "Pediatric Eye Specialist",
"address_purpose": "LOCATION",
"city": "Mansfield",
"state": "TX",
"postal_code": "76063",
"country_code": "US",
"telephone_number": "817-529-9499 x203",
"fax_number": "817-529-9943",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "129 Chandler Rd.",
"address_purpose": "LOCATION",
"city": "Keller",
"state": "TX",
"postal_code": "76248",
"country_code": "US",
"telephone_number": "817-529-9949 x203",
"fax_number": "817-529-9943",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4200 W University Dr Ste 320",
"address_purpose": "LOCATION",
"city": "Prosper",
"state": "TX",
"postal_code": "750789805",
"country_code": "US",
"telephone_number": "817-529-9949 x203",
"fax_number": "817-529-9943",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "321 S Henderson St",
"address_purpose": "LOCATION",
"city": "Fort Worth",
"state": "TX",
"postal_code": "761041016",
"country_code": "US",
"telephone_number": "817-529-9949",
"fax_number": "817-529-9943",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2212 Emery St",
"address_purpose": "LOCATION",
"city": "Denton",
"state": "TX",
"postal_code": "762011100",
"country_code": "US",
"telephone_number": "817-529-9949",
"fax_number": "817-529-9943",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DUFF",
"first_name": "SARAH",
"middle_name": "MADISON",
"name_prefix": "Mrs.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-04-10",
"last_updated": "2026-06-16",
"certification_date": "2026-06-16",
"status": "A"
},
"taxonomies": [
{
"code": "207WX0110X",
"taxonomy_group": "",
"desc": "Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist",
"state": "KY",
"license": "61667",
"primary": true
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "NC",
"license": "2022-00769",
"primary": false
},
{
"code": "207WX0110X",
"taxonomy_group": "",
"desc": "Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist",
"state": "NC",
"license": "2022-00769",
"primary": false
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "TX",
"license": "U2189",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Louisville, KY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 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.