BENJAMIN CHUNG MD
NPI 1326031923
Internal Medicine in Riverside, CA

Active since August 30, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 05D2048009 · Waiver
4500 BROCKTON AVE, SUITE 306, RIVERSIDE, CA 92501(951) 321-0100(951) 321-0131 Get Directions Write a Review

NPPES record last updated: November 9, 2011. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Benjamin Chung Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BENJAMIN CHUNG MD (NPI 1326031923) is an individual internal medicine provider in Riverside, California, licensed in California (G70147) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through January 11, 2028, and is a graduate of Hahnemann University College Of Medicine (1985).

NPPES Registry Identity

NPI1326031923
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBENJAMIN CHUNGCredential: MD
Location Address4500 BROCKTON AVE, SUITE 306Riverside, CA 92501-4090
Mailing Address420 N Mckinley St, 111-616Corona, CA 92879-6504 · (951) 321-0100 · Fax (951) 321-0131
Fax(951) 321-0131
Sole ProprietorYes
Medical School CMSHahnemann University College Of MedicineGraduated 1985
Enumeration DateAugust 30, 2005
Last NPPES UpdateNovember 9, 2011
NPI 1326031923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · G70147
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4500 BROCKTON AVE, Riverside, CA 92501

Other Identifiers 3

Medicare ID-Type Unspecified00G701471CA
Medicaid00G701470CA
Medicare UPINF38988

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Benjamin Chung Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305732777
PECOS Enrollment IDI20040223001324
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2048009

Benjamin Chung MD Inc Dba Riverwalk Surgery Center · Riverside, CA
Active · expires Jan 11, 2028
CLIA Number05D2048009
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateJanuary 12, 2026
Certificate Expiration DateJanuary 11, 2028
Laboratory DirectorBenjamin Chung
Laboratory Phone(951) 321-0100
Laboratory LocationBenjamin Chung MD Inc Dba Riverwalk Surgery Center4244 Riverwalk Pkwy Ste 210, Riverside, CA 92505
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
157 services73 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
25 services25 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
19 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pain Medicine (Interventional Pain Medicine)
4500 BROCKTON AVE, STE 305
RIVERSIDE, CA 92501
Pain Medicine (Interventional Pain Medicine)
4500 BROCKTON AVE, STE 305
RIVERSIDE, CA 92501
Radiology (Diagnostic Radiology)
4500 BROCKTON AVE, SUITE 219
RIVERSIDE, CA 92501
Radiology (Radiation Oncology)
4500 BROCKTON AVE, SUITE 101
RIVERSIDE, CA 92501
Specialist
4500 BROCKTON AVE, SUITE 317
RIVERSIDE, CA 92501
Specialist
4500 BROCKTON AVE, STE 203
RIVERSIDE, CA 92501
Surgery (Surgical Critical Care)
4500 BROCKTON AVE, 317
RIVERSIDE, CA 92501
Nurse Practitioner (Family)
4500 BROCKTON AVE, SUITE 107
RIVERSIDE, CA 92501

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Benjamin Chung's NPI number?

The NPI number for Benjamin Chung is 1326031923. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Benjamin Chung located?

Benjamin Chung practices at 4500 Brockton Ave Suite 306, Riverside, CA 92501. The listed phone number is (951) 321-0100.

What is Benjamin Chung's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Benjamin Chung enrolled in Medicare?

Yes. Benjamin Chung is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Benjamin Chung hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2048009) is associated with this NPI, valid through January 11, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Benjamin Chung was last updated on November 9, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.