Doctor profile · Federal record
Dr. Mark Looman
Hospitalist Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Lake Forest, IL
- NPI 1588167381
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 N Westmoreland RD
Lake Forest, IL 600451658
(847) 234-5600
fax (847) 535-7203 - Additional location
-
757 Westwood Plz
Los Angeles, CA 900958358
(310) 825-9111
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- May 6, 2022
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Illinois #036158060
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588167381. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
753
Distinct HCPCS
7
Medicare allowed
$80,736
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 320 | 145 | $82 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 148 | 147 | $134 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 99 | 51 | $123 | |
99239 |
Hospital discharge day management, more than 30 minutes | 95 | 94 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 46 | $179 | |
99238 |
Hospital discharge day management, 30 minutes or less | 23 | 23 | $83 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 22 | 13 | $52 |
In context: peer comparison
Among 12 peers in Lake Forest Hospitalist Physician, average services per provider: 96. This provider delivers 7.8× the peer median.Frequently asked questions
What is Dr. Mark Looman's medical specialty?
Dr. Mark Looman practices Hospitalist Physician in Lake Forest, IL.
Where does Dr. Mark Looman practice?
Dr. Mark Looman practices at 1000 N Westmoreland RD, Lake Forest, IL 600451658. Office phone: 8472345600.
What is Dr. Mark Looman's NPI?
Dr. Mark Looman's National Provider Identifier (NPI) is 1588167381, issued by NPPES.
Does Dr. Mark Looman accept Medicare assignment?
Yes. Dr. Mark Looman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Looman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.