Doctor profile · Federal record
Dr. Margaret Slowik, OD
Optometrist (CMS: Optometry) · La Grange, IL
- NPI 1124222591
- Accepts Medicare
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 W Calendar Ave
La Grange, IL 605252325
(708) 354-0500 - Mailing address
-
1327 Oak Ave
Lemont, IL 604394503
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- January 25, 2024
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Illinois #046008760
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124222591. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32
Distinct HCPCS
1
Medicare allowed
$4,155
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 32 | 32 | $130 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 24. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$553
Transactions
18
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 5 | $208.61 | |
| Bausch & Lomb Americas Inc. | 7 | $145.55 | |
| Harrow Eye, LLC | 1 | $108.60 | |
| CooperVision Inc. | 4 | $73.97 | |
| Johnson & Johnson Vision Care, Inc. | 1 | $16.56 |
By nature of payment
Frequently asked questions
What is Dr. Margaret Slowik's medical specialty?
Dr. Margaret Slowik practices Optometrist in La Grange, IL.
Where does Dr. Margaret Slowik practice?
Dr. Margaret Slowik practices at 100 W Calendar Ave, La Grange, IL 605252325. Office phone: 7083540500.
What is Dr. Margaret Slowik's NPI?
Dr. Margaret Slowik's National Provider Identifier (NPI) is 1124222591, issued by NPPES.
Does Dr. Margaret Slowik accept Medicare assignment?
Yes. Dr. Margaret Slowik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Slowik commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.