Doctor profile · Federal record
Dr. Helen Nikolas, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Oak Lawn, IL
- NPI 1356424477
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4225 W 95Th St
Oak Lawn, IL 604532623
(708) 423-2300
fax (708) 423-2318
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 22, 2021
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Illinois #036093272
- Medicaid
- IL #036093272
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356424477. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
171
Distinct HCPCS
5
Medicare allowed
$13,234
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 68 | 68 | $41 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 39 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 27 | $133 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $118 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 11 | 11 | $41 |
In context: peer comparison
Among 6 peers in Oak Lawn Obstetrics & Gynecology Physician, average services per provider: 24. This provider delivers 7.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
79
Patients
38
Total drug cost
$3,699
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nystatin | Generic | 39 | 27 | $702 |
| Estradiol | Generic | 27 | 11 | $2,621 |
| Metronidazole | Generic | 13 | 0 | $375 |
Hospital affiliations
Frequently asked questions
What is Dr. Helen Nikolas's medical specialty?
Dr. Helen Nikolas practices Obstetrics & Gynecology Physician in Oak Lawn, IL.
Where does Dr. Helen Nikolas practice?
Dr. Helen Nikolas practices at 4225 W 95Th St, Oak Lawn, IL 604532623. Office phone: 7084232300.
What is Dr. Helen Nikolas's NPI?
Dr. Helen Nikolas's National Provider Identifier (NPI) is 1356424477, issued by NPPES.
Does Dr. Helen Nikolas accept Medicare assignment?
Yes. Dr. Helen Nikolas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Helen Nikolas commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); 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.