Doctor profile · Federal record
Dr. Sergio Vargas, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1437186095
- Accepts Medicare
- MIPS 78.2 / 100 · 2023
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1901 W Harrison St
Chicago, IL 606123714
(312) 864-6000 - Mailing address
-
1305 S Michigan Ave, #1708
Chicago, IL 606052601
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 10, 2021
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036104148
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437186095. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
134
Distinct HCPCS
3
Medicare allowed
$12,693
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 84 | 34 | $85 | |
99238 |
Hospital discharge day management, 30 minutes or less | 26 | 25 | $86 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 24 | $140 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$54
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 2 | $54.14 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Sergio Vargas's medical specialty?
Dr. Sergio Vargas practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Sergio Vargas practice?
Dr. Sergio Vargas practices at 1901 W Harrison St, Chicago, IL 606123714. Office phone: 3128646000.
What is Dr. Sergio Vargas's NPI?
Dr. Sergio Vargas's National Provider Identifier (NPI) is 1437186095, issued by NPPES.
Does Dr. Sergio Vargas accept Medicare assignment?
Yes. Dr. Sergio Vargas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sergio Vargas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.