Doctor profile · Federal record
Dr. Ariel Chavez, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1902978257
- Accepts Medicare
- 57 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4608 S Ashland Ave
Chicago, IL 60609
(773) 927-7573
fax (773) 927-7382 - Mailing address
-
Po Box 597202
Chicago, IL 60659
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- April 30, 2010
- Year of graduation
- 1969 — 57 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036054596
- Medicaid
- IL #036054596
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902978257. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
216
Distinct HCPCS
1
Medicare allowed
$28,887
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 216 | 67 | $134 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$101
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $101.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
496
Patients
173
Total drug cost
$9,282
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 63 | 24 | $654 |
| Metformin Hcl | Generic | 57 | 20 | $788 |
| Metoprolol Succinate | Generic | 43 | 12 | $1,109 |
| Tamsulosin Hcl | Generic | 40 | 17 | $1,122 |
| Atorvastatin Calcium | Generic | 39 | 19 | $623 |
| Losartan Potassium | Generic | 39 | 15 | $711 |
| Levothyroxine Sodium | Generic | 33 | 11 | $1,001 |
| Glipizide | Generic | 29 | 0 | $607 |
| Irbesartan | Generic | 26 | 0 | $897 |
| Azithromycin | Generic | 22 | 20 | $185 |
Frequently asked questions
What is Dr. Ariel Chavez's medical specialty?
Dr. Ariel Chavez practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Ariel Chavez practice?
Dr. Ariel Chavez practices at 4608 S Ashland Ave, Chicago, IL 60609. Office phone: 7739277573.
What is Dr. Ariel Chavez's NPI?
Dr. Ariel Chavez's National Provider Identifier (NPI) is 1902978257, issued by NPPES.
Does Dr. Ariel Chavez accept Medicare assignment?
Yes. Dr. Ariel Chavez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ariel Chavez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.