Doctor profile · Federal record
Dr. Hatem Hassaballa
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Chicago, IL
- NPI 1699174540
- Accepts Medicare
- 18 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
5841 S Maryland Ave
Chicago, IL 606371443
(773) 702-5211
fax (773) 702-8875 - Additional location
-
20201 Crawford Ave
Olympia Fields, IL 604611010
(708) 855-7297
fax (708) 679-2161 - Additional location
-
800 Biesterfield RD
Elk Grove Village, IL 600073361
(224) 273-3152 - Additional location
-
840 S Wood St Fl 4, Suite 409 (M/C 717)
Chicago, IL 606124325
(312) 996-7704
fax (312) 996-8637 - Mailing address
-
180 Harvester Dr Ste 110
Burr Ridge, IL 605276686
Show 1 more location
Credentials & registration
- NPI registered
- August 2014 — 12 yrs on file
- Profile last updated
- April 30, 2024
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036144048
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699174540. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
500
Distinct HCPCS
5
Medicare allowed
$84,979
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 355 | 335 | $176 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 92 | 92 | $135 | |
99291 |
Critical care, first 30-74 minutes | 28 | 28 | $211 | |
99285 |
Emergency department visit with high level of medical decision making | 13 | 13 | $190 | |
99284 |
Emergency department visit with moderate level of medical decision making | 12 | 12 | $129 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$107,270
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $107,111.00 | |
| Alnylam Pharmaceuticals INC. | 1 | $125.00 | |
| Novo Nordisk INC | 1 | $34.48 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Hatem Hassaballa's medical specialty?
Dr. Hatem Hassaballa practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Hatem Hassaballa practice?
Dr. Hatem Hassaballa practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 7737025211.
What is Dr. Hatem Hassaballa's NPI?
Dr. Hatem Hassaballa's National Provider Identifier (NPI) is 1699174540, issued by NPPES.
Does Dr. Hatem Hassaballa accept Medicare assignment?
Yes. Dr. Hatem Hassaballa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hatem Hassaballa commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.