Doctor profile · Federal record
Dr. Mario Arevalo, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Oak Lawn, IL
- NPI 1912439407
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4440 W 95Th St
Oak Lawn, IL 604532600
(312) 609-0300 - Additional location
-
836 W Wellington Ave
Chicago, IL 606575147
(773) 975-1600
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- April 19, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036153076
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912439407. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
844
Distinct HCPCS
6
Medicare allowed
$109,368
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 377 | 140 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 180 | 175 | $182 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 147 | 86 | $82 | |
99239 |
Hospital discharge day management, more than 30 minutes | 100 | 99 | $119 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 20 | $150 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 20 | $137 |
In context: peer comparison
Among 29 peers in Oak Lawn Internal Medicine Physician, average services per provider: 146. This provider delivers 5.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mario Arevalo's medical specialty?
Dr. Mario Arevalo practices Internal Medicine Physician in Oak Lawn, IL.
Where does Dr. Mario Arevalo practice?
Dr. Mario Arevalo practices at 4440 W 95Th St, Oak Lawn, IL 604532600. Office phone: 3126090300.
What is Dr. Mario Arevalo's NPI?
Dr. Mario Arevalo's National Provider Identifier (NPI) is 1912439407, issued by NPPES.
Does Dr. Mario Arevalo accept Medicare assignment?
Yes. Dr. Mario Arevalo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mario Arevalo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.