Doctor profile · Federal record
Dr. Stephen Sladek, M.D.
Family Medicine Physician · Oak Lawn, IL
- NPI 1770562563
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9555 S 52Nd Ave
Oak Lawn, IL 604533054
(708) 422-5700
fax (708) 422-8225
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- December 13, 2021
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036133124
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770562563. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
60
Distinct HCPCS
3
Medicare allowed
$4,972
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 16 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 18 | $95 | |
36415 |
Insertion of needle into vein for collection of blood sample | 18 | 12 | $8 |
In context: peer comparison
Among 13 peers in Oak Lawn Family Medicine Physician, average services per provider: 140. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
315
Patients
48
Total drug cost
$9,581
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 59 | 24 | $976 |
| Metoprolol Succinate | Generic | 31 | 12 | $681 |
| Lisinopril | Generic | 25 | 0 | $212 |
| Metformin Hcl | Generic | 25 | 12 | $301 |
| Amlodipine Besylate | Generic | 23 | 0 | $279 |
| Hydrochlorothiazide | Generic | 22 | 0 | $72 |
| Losartan Potassium | Generic | 19 | 0 | $250 |
| Levothyroxine Sodium | Generic | 17 | 0 | $154 |
| Tramadol Hcl | Generic | 17 | 0 | $82 |
| Pantoprazole Sodium | Generic | 15 | 0 | $160 |
Frequently asked questions
What is Dr. Stephen Sladek's medical specialty?
Dr. Stephen Sladek practices Family Medicine Physician in Oak Lawn, IL.
Where does Dr. Stephen Sladek practice?
Dr. Stephen Sladek practices at 9555 S 52Nd Ave, Oak Lawn, IL 604533054. Office phone: 7084225700.
What is Dr. Stephen Sladek's NPI?
Dr. Stephen Sladek's National Provider Identifier (NPI) is 1770562563, issued by NPPES.
What procedures does Dr. Stephen Sladek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.