Doctor profile · Federal record
Dr. Magdalena Bak, O.D.
Optometrist (CMS: Optometry) · Downers Grove, IL
- NPI 1184938227
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1402 Butterfield RD
Downers Grove, IL 605151031
(630) 424-0613 - Mailing address
-
3446 N Seminary Ave, #2
Chicago, IL 606571533
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Illinois #046010340
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184938227. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
158
Distinct HCPCS
6
Medicare allowed
$13,162
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92133 |
Imaging of optic nerve | 38 | 23 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 19 | $95 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 27 | $134 | |
92083 |
Exam of visual field with extended testing | 28 | 21 | $64 | |
92250 |
Photography of the retina | 15 | 15 | $38 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $175 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 136. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$237
Transactions
11
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Johnson & Johnson Vision Care, Inc. | 8 | $150.58 | |
| Alcon Vision LLC | 1 | $49.60 | |
| Oyster Point Pharma, Inc. | 1 | $20.55 | |
| CooperVision Inc. | 1 | $16.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
43
Patients
0
Total drug cost
$1,151
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 32 | 0 | $972 |
| Timolol Maleate | Generic | 11 | 0 | $179 |
Frequently asked questions
What is Dr. Magdalena Bak's medical specialty?
Dr. Magdalena Bak practices Optometrist in Downers Grove, IL.
Where does Dr. Magdalena Bak practice?
Dr. Magdalena Bak practices at 1402 Butterfield RD, Downers Grove, IL 605151031. Office phone: 6304240613.
What is Dr. Magdalena Bak's NPI?
Dr. Magdalena Bak's National Provider Identifier (NPI) is 1184938227, issued by NPPES.
Does Dr. Magdalena Bak accept Medicare assignment?
Yes. Dr. Magdalena Bak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Magdalena Bak commonly perform?
Top Medicare-reported procedures in 2023: Imaging of optic nerve (HCPCS 92133); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.