Doctor profile · Federal record
Dr. Oscar Rivas Chicas, M.D.
Gastroenterology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Chicago, IL
- NPI 1417289570
- Accepts Medicare
- MIPS 78.2 / 100 · 2023
- 22 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1900 W Polk St, 15Th Floor
Chicago, IL 606123723
(312) 504-3250
Credentials & registration
- NPI registered
- January 2010 — 16 yrs on file
- Profile last updated
- April 29, 2021
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Illinois #036-125090 · Illinois #125052285
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417289570. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
58
Distinct HCPCS
4
Medicare allowed
$9,069
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 15 | $104 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 16 | 16 | $140 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | 13 | $275 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 11 | 11 | $126 |
In context: peer comparison
Among 70 peers in Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$51
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $27.53 | |
| Madrigal Pharmaceuticals | 1 | $23.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
18
Patients
0
Total drug cost
$279
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 18 | 0 | $279 |
Hospital affiliations
Frequently asked questions
What is Dr. Oscar Rivas Chicas's medical specialty?
Dr. Oscar Rivas Chicas practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Oscar Rivas Chicas practice?
Dr. Oscar Rivas Chicas practices at 1900 W Polk St, Chicago, IL 606123723. Office phone: 3125043250.
What is Dr. Oscar Rivas Chicas's NPI?
Dr. Oscar Rivas Chicas's National Provider Identifier (NPI) is 1417289570, issued by NPPES.
Does Dr. Oscar Rivas Chicas accept Medicare assignment?
Yes. Dr. Oscar Rivas Chicas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oscar Rivas Chicas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.