Doctor profile · Federal record

Dr. Diana Li, OD

Optometrist · Rockford, IL

  • NPI 1164900700
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1603 N Alpine RD Ste 121
Rockford, IL 611071439
(815) 397-5959
fax (815) 261-5971
Additional location
1002 N Pierpont Ave
Rockford, IL 611015085
Additional location
1200 W State St
Rockford, IL 611022112

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Illinois #046011208

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164900700. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$350
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 6 $328.16
Biotissue Holdings INC. 1 $22.01

By nature of payment

Food and Beverage
$350

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Li's medical specialty?
Dr. Diana Li practices Optometrist in Rockford, IL.
Where does Dr. Diana Li practice?
Dr. Diana Li practices at 1603 N Alpine RD Ste 121, Rockford, IL 611071439. Office phone: 8153975959.
What is Dr. Diana Li's NPI?
Dr. Diana Li's National Provider Identifier (NPI) is 1164900700, issued by NPPES.