Doctor profile · Federal record
Dr. Daniel Brennan, OD
Optometrist (CMS: Optometry) · Chicago, IL
- NPI 1770006736
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
225 N Michigan Ave
Chicago, IL 606017757
(312) 819-0199
fax (312) 819-0220 - Mailing address
-
1350 N Lake Shore Dr Apt 503
Chicago, IL 606105123
Credentials & registration
- NPI registered
- July 2017 — 9 yrs on file
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Illinois #046.011135
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770006736. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$174
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Johnson & Johnson Vision Care, INC. | 2 | $98.66 | |
| CooperVision INC. | 2 | $39.87 | |
| Alcon Vision LLC | 2 | $35.80 |
By nature of payment
Frequently asked questions
What is Dr. Daniel Brennan's medical specialty?
Dr. Daniel Brennan practices Optometrist in Chicago, IL.
Where does Dr. Daniel Brennan practice?
Dr. Daniel Brennan practices at 225 N Michigan Ave, Chicago, IL 606017757. Office phone: 3128190199.
What is Dr. Daniel Brennan's NPI?
Dr. Daniel Brennan's National Provider Identifier (NPI) is 1770006736, issued by NPPES.
Does Dr. Daniel Brennan accept Medicare assignment?
Yes. Dr. Daniel Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.