Doctor profile · Federal record
Dr. Leszek Ballarin, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1720088107
- Accepts Medicare
- MIPS 29.4 / 100 · 2023
- 29 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7045 W Belmont Ave
Chicago, IL 606344539
(773) 745-7377
fax (773) 745-7397
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- November 18, 2009
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036103966
- Medicaid
- IL #036103966
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720088107. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,768
Distinct HCPCS
6
Medicare allowed
$170,082
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,083 | 220 | $131 | |
36415 |
Insertion of needle into vein for collection of blood sample | 304 | 184 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 198 | 102 | $94 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 129 | 98 | $15 | |
69210 |
Removal of impacted ear wax | 34 | 30 | $51 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $176 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,000
Patients
1,372
Total drug cost
$256,222
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 558 | 180 | $5,271 |
| Rosuvastatin Calcium | Generic | 437 | 162 | $7,064 |
| Amlodipine Besylate | Generic | 393 | 137 | $3,117 |
| Metoprolol Succinate | Generic | 388 | 131 | $7,863 |
| Atorvastatin Calcium | Generic | 339 | 110 | $4,058 |
| Metformin Hcl | Generic | 322 | 107 | $4,453 |
| Levothyroxine Sodium | Generic | 286 | 89 | $5,550 |
| Furosemide | Generic | 202 | 72 | $1,471 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 198 | 68 | $2,586 |
| Sertraline Hcl | Generic | 167 | 62 | $1,836 |
Hospital affiliations
Frequently asked questions
What is Dr. Leszek Ballarin's medical specialty?
Dr. Leszek Ballarin practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Leszek Ballarin practice?
Dr. Leszek Ballarin practices at 7045 W Belmont Ave, Chicago, IL 606344539. Office phone: 7737457377.
What is Dr. Leszek Ballarin's NPI?
Dr. Leszek Ballarin's National Provider Identifier (NPI) is 1720088107, issued by NPPES.
Does Dr. Leszek Ballarin accept Medicare assignment?
Yes. Dr. Leszek Ballarin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leszek Ballarin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.