Doctor profile · Federal record
Dr. Maria Onak, APN-CNP
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Gerontology Nurse Practitioner · Glenview, IL
- NPI 1700074754
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2100 Pfingsten RD
Glenview, IL 600261301
(847) 503-4222
fax (847) 503-5110
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- April 9, 2024
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- Illinois #209006771
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700074754. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
214
Distinct HCPCS
3
Medicare allowed
$24,009
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 144 | 50 | $94 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 41 | 41 | $160 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 29 | 23 | $135 |
In context: peer comparison
Among 2 peers in Glenview Adult Health Nurse Practitioner, average services per provider: 69. This provider delivers 3.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
0
Total drug cost
$568
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 15 | 0 | $178 |
| Desipramine Hcl | Generic | 11 | 0 | $391 |
Hospital affiliations
Frequently asked questions
What is Dr. Maria Onak's medical specialty?
Dr. Maria Onak practices Adult Health Nurse Practitioner in Glenview, IL.
Where does Dr. Maria Onak practice?
Dr. Maria Onak practices at 2100 Pfingsten RD, Glenview, IL 600261301. Office phone: 8475034222.
What is Dr. Maria Onak's NPI?
Dr. Maria Onak's National Provider Identifier (NPI) is 1700074754, issued by NPPES.
Does Dr. Maria Onak accept Medicare assignment?
Yes. Dr. Maria Onak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Onak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310). Source: CMS Medicare Physician & Other Practitioners file.