Benjamin Chung, MD
Internal Medicine Physician · Riverside, CA
Benjamin Chung, MD is an internal medicine physician with a practice address in Riverside, California, and NPI 1326031923, issued on Aug 30, 2005. Check the license (California G70147, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benjamin Chung
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G70147 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4500 Brockton Ave, Riverside, CA 92501
- Phone
- (951) 321-0100
- Enumerated
- Aug 30, 2005
- Record last updated
- Nov 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (951) 321-0131
- Medicaid ID
- 00G701470 CA
- Medicare enrollment
- Enrolled (PECOS I20040223001324); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4500 Brockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G70147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,129 Medicare Part D claims for 343 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Omeprazole374 claims
- Gavilyte-G137 claims
- Lactulose94 claims
- Peg-3350 And Electrolytes79 claims
- Lansoprazole62 claims
- Dicyclomine Hcl54 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $17.49
1 payment: food and beverage; the largest payer was RedHill Biopharma Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Benjamin Chung among 17,696 internal medicine physician records in California
Benjamin Chung, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2004 among the 11,065 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacqueline Agcaoili, MDRiverside, CA 925011124022108
- Joseph Alukal, M.D.Riverside, CA 925011801270699
- Donald Blackman, MDRiverside, CA 925011386687754
- Baker Hillawy, MDRiverside, CA 925011427408749
- Elizabeth Jacobs, MDRiverside, CA 925011023046059
- Ameera Khan, MDRiverside, CA 925011356704522
- Mohammad Kharazmi, MDRiverside, CA 925011033121272
- Victor Laus, M.D.Riverside, CA 925011881724144
Common questions
What is Benjamin Chung, MD's NPI number?
Benjamin Chung, MD's National Provider Identifier (NPI) is 1326031923, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Chung, MD located?
The NPPES record lists a practice address at 4500 Brockton Ave, Riverside, CA, 92501. Phone: (951) 321-0100. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Chung, MD's license?
NPPES lists California license number G70147, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin Chung, MD prescribe under Medicare Part D?
In 2024, Benjamin Chung, MD had 1,129 Medicare Part D claims for 343 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.