Doctor profile · Federal record
Dr. John O'Neill, O.D.
Optometrist (CMS: Optometry) · Crystal Lake, IL
- NPI 1356503403
- Accepts Medicare
- 18 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4002 Wyndwood Dr
Crystal Lake, IL 600146545
(815) 245-2560
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Illinois #046.010068
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356503403. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$160
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 1 | $109.34 | |
| Oyster Point Pharma, INC. | 1 | $27.95 | |
| Johnson & Johnson Vision Care, INC. | 1 | $22.33 |
By nature of payment
Frequently asked questions
What is Dr. John O'Neill's medical specialty?
Dr. John O'Neill practices Optometrist in Crystal Lake, IL.
Where does Dr. John O'Neill practice?
Dr. John O'Neill practices at 4002 Wyndwood Dr, Crystal Lake, IL 600146545. Office phone: 8152452560.
What is Dr. John O'Neill's NPI?
Dr. John O'Neill's National Provider Identifier (NPI) is 1356503403, issued by NPPES.
Does Dr. John O'Neill accept Medicare assignment?
Yes. Dr. John O'Neill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.