Doctor profile · Federal record
Dr. Ali Keshavarzian, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Chicago, IL
- NPI 1558302257
- Accepts Medicare
- 51 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
1725 W Harrison St, Suite 207
Chicago, IL 606123841
(312) 942-5861
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558302257. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
150
Distinct HCPCS
5
Medicare allowed
$18,384
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 78 | 67 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 24 | $70 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 23 | 23 | $200 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $143 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 11 | 11 | $194 |
In context: peer comparison
Among 70 peers in this city , average services per provider: 239. This provider delivers 0.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
785
Patients
167
Total drug cost
$5,441,716
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Stelara (Ustekinumab) | Brand | 152 | 22 | $4,545,276 |
| Pantoprazole Sodium | Generic | 80 | 29 | $1,414 |
| Famotidine | Generic | 67 | 18 | $1,561 |
| Humira(Cf) Pen (Adalimumab) | Brand | 61 | 0 | $738,778 |
| Mesalamine | Generic | 58 | 20 | $45,670 |
| Motegrity (Prucalopride Succinate) | Brand | 55 | 14 | $46,503 |
| Dicyclomine Hcl | Generic | 50 | 19 | $1,738 |
| Colestipol Hcl | Generic | 39 | 16 | $4,118 |
| Prednisone | Generic | 39 | 13 | $732 |
| Linzess (Linaclotide) | Brand | 33 | 16 | $35,886 |
Frequently asked questions
What is Dr. Ali Keshavarzian's medical specialty?
Dr. Ali Keshavarzian practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Ali Keshavarzian practice?
Dr. Ali Keshavarzian practices at 1725 W Harrison St, Chicago, IL 606123841. Office phone: 3129425861.
What is Dr. Ali Keshavarzian's NPI?
Dr. Ali Keshavarzian's National Provider Identifier (NPI) is 1558302257, issued by NPPES.
Does Dr. Ali Keshavarzian accept Medicare assignment?
Yes. Dr. Ali Keshavarzian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ali Keshavarzian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.