Doctor profile · Federal record
Dr. Benjamin Chung, MD
Internal Medicine Physician (CMS: Gastroenterology) · Riverside, CA
- NPI 1326031923
- Accepts Medicare
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4500 Brockton Ave, Suite 306
Riverside, CA 925014090
(951) 321-0100
fax (951) 321-0131 - Mailing address
-
420 N McKinley St, 111-616
Corona, CA 928796504
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- November 9, 2011
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G70147
- Medicaid
- CA #00G701470
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326031923. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
226
Distinct HCPCS
4
Medicare allowed
$32,647
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 82 | $132 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $172 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 22 | 22 | $140 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 18 | 18 | $187 |
In context: peer comparison
Among 41 peers in this city , average services per provider: 160. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| RedHill Biopharma Inc. | 1 | $17.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
915
Patients
357
Total drug cost
$16,463
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 298 | 89 | $2,603 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 172 | 168 | $3,713 |
| Lactulose | Generic | 97 | 41 | $1,315 |
| Famotidine | Generic | 68 | 20 | $762 |
| Dicyclomine Hcl | Generic | 45 | 0 | $332 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 40 | 39 | $809 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 37 | 0 | $457 |
| Lansoprazole | Generic | 33 | 0 | $467 |
| Ondansetron Hcl | Generic | 28 | 0 | $199 |
| Balsalazide Disodium | Generic | 24 | 0 | $2,742 |
Frequently asked questions
What is Dr. Benjamin Chung's medical specialty?
Dr. Benjamin Chung practices Internal Medicine Physician in Riverside, CA.
Where does Dr. Benjamin Chung practice?
Dr. Benjamin Chung practices at 4500 Brockton Ave, Riverside, CA 925014090. Office phone: 9513210100.
What is Dr. Benjamin Chung's NPI?
Dr. Benjamin Chung's National Provider Identifier (NPI) is 1326031923, issued by NPPES.
Does Dr. Benjamin Chung accept Medicare assignment?
Yes. Dr. Benjamin Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Chung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.