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

NPPES Updated May 11, 2026
Primary practice
2100 PFINGSTEN RD
GLENVIEW, IL 600261301
(847) 503-4222
fax (847) 503-5110

Credentials & registration

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

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

CMS Provider Utilization
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 this city , average services per provider: 69. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
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

CMS Hospital Compare