Doctor profile · Federal record

Dr. Josiah to, MD, Masc

Ophthalmology Physician (CMS: Ophthalmology) · Chicago, IL

  • NPI 1306575576
  • 6 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1950 W Polk St # 5L175-1
Chicago, IL 606123723
(312) 864-0395
Mailing address
18692 Caminito Cantilena Unit 216
San Diego, CA 921286103

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Illinois #125.079982

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306575576. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,685
Transactions
22
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
New World Medical,INC. 4 $405.57
Glaukos Corporation 7 $389.23
Alcon Vision LLC 2 $289.21
EyePoint Pharmaceuticals US, INC. 1 $137.59
Genentech, INC. 2 $132.83
Amgen INC. 1 $103.42
Abbvie INC. 1 $97.65
Apellis Pharmaceuticals, INC. 2 $89.35
Dompe US, INC. 1 $23.01
Tarsus Pharmaceuticals, INC. 1 $17.34

By nature of payment

Food and Beverage
$1,685

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
147
Patients
73
Total drug cost
$2,949
Drug Type Claims Patients Total cost
Latanoprost Generic 55 28 $1,009
Brimonidine Tartrate Generic 32 15 $500
Dorzolamide Hcl Generic 29 18 $962
Timolol Maleate Generic 16 12 $234
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 15 0 $245

Frequently asked questions

Auto-generated from federal data
What is Dr. Josiah to's medical specialty?
Dr. Josiah to practices Ophthalmology Physician in Chicago, IL.
Where does Dr. Josiah to practice?
Dr. Josiah to practices at 1950 W Polk St # 5L175-1, Chicago, IL 606123723. Office phone: 3128640395.
What is Dr. Josiah to's NPI?
Dr. Josiah to's National Provider Identifier (NPI) is 1306575576, issued by NPPES.
Does Dr. Josiah to accept Medicare assignment?
Dr. Josiah to does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.