Doctor profile · Federal record
Dr. Nicholas Hac, M.D.
Neurology Physician (CMS: Neurology) · Neurology Physician · Chicago, IL
- NPI 1144683780
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 10 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
259 E Erie St Ste 1900
Chicago, IL 606113246
(312) 695-7950
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- July 23, 2020
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State licenses (2)
- Illinois #036152380 · Illinois #036.152380
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144683780. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
637
Distinct HCPCS
10
Medicare allowed
$77,846
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92540 |
Evaluation and testing for balance with recording | 122 | 97 | $114 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 105 | 80 | $190 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 97 | 54 | $34 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 96 | 29 | $126 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 65 | 22 | $85 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 44 | 44 | $235 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 35 | $181 | |
95992 |
Repositioning exercises of head for treatment of dizziness, each day | 28 | 22 | $46 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 21 | $136 | |
99238 |
Hospital discharge day management, 30 minutes or less | 21 | 18 | $86 |
In context: peer comparison
Among 86 peers in Chicago Neurology Physician, average services per provider: 171. This provider delivers 3.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$418
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 11 | 0 | $418 |
Frequently asked questions
What is Dr. Nicholas Hac's medical specialty?
Dr. Nicholas Hac practices Neurology Physician in Chicago, IL.
Where does Dr. Nicholas Hac practice?
Dr. Nicholas Hac practices at 259 E Erie St Ste 1900, Chicago, IL 606113246. Office phone: 3126957950.
What is Dr. Nicholas Hac's NPI?
Dr. Nicholas Hac's National Provider Identifier (NPI) is 1144683780, issued by NPPES.
Does Dr. Nicholas Hac accept Medicare assignment?
Yes. Dr. Nicholas Hac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Hac commonly perform?
Top Medicare-reported procedures in 2023: Evaluation and testing for balance with recording (HCPCS 92540); Established patient office or other outpatient visit (HCPCS 99215); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.