Doctor profile · Federal record
Dr. Hassan Azar, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Olympia Fields, IL
- NPI 1538504493
- Accepts Medicare
- 40 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3800 W 203Rd St, Suite 202
Olympia Fields, IL 604611184
(708) 679-2661
fax (708) 503-3860 - Mailing address
-
15538 Lakeside Dr
Orland Park, IL 604674595
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- November 22, 2023
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Illinois #036.087480
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538504493. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
223
Distinct HCPCS
5
Medicare allowed
$25,438
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 119 | 55 | $84 | |
99291 |
Critical care, first 30-74 minutes | 43 | 29 | $230 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 32 | 20 | $54 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $138 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 14 | 12 | $127 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 195. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$245
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inspire Medical Systems, Inc. | 1 | $138.06 | |
| Ceribell, Inc. | 2 | $106.90 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Hassan Azar's medical specialty?
Dr. Hassan Azar practices Pulmonary Disease Physician in Olympia Fields, IL.
Where does Dr. Hassan Azar practice?
Dr. Hassan Azar practices at 3800 W 203Rd St, Olympia Fields, IL 604611184. Office phone: 7086792661.
What is Dr. Hassan Azar's NPI?
Dr. Hassan Azar's National Provider Identifier (NPI) is 1538504493, issued by NPPES.
Does Dr. Hassan Azar accept Medicare assignment?
Yes. Dr. Hassan Azar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hassan Azar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.