Doctor profile · Federal record
Dr. Michael Ault, MD
Anesthesiology Physician (CMS: Anesthesiology) · Chicago, IL
- NPI 1851371165
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
680 N Lake Shore Dr, Suite 1000
Chicago, IL 606114546
(312) 695-9797
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- December 13, 2007
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851371165. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
153
Distinct HCPCS
4
Medicare allowed
$22,319
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 71 | 29 | $231 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 54 | 37 | $84 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 15 | 14 | $48 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 13 | 12 | $54 |
In context: peer comparison
Among 212 peers in Chicago Anesthesiology Physician, average services per provider: 66. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Michael Ault's medical specialty?
Dr. Michael Ault practices Anesthesiology Physician in Chicago, IL.
Where does Dr. Michael Ault practice?
Dr. Michael Ault practices at 680 N Lake Shore Dr, Chicago, IL 606114546. Office phone: 3126959797.
What is Dr. Michael Ault's NPI?
Dr. Michael Ault's National Provider Identifier (NPI) is 1851371165, issued by NPPES.
Does Dr. Michael Ault accept Medicare assignment?
Yes. Dr. Michael Ault accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Ault commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.