Eric Sun Chu, MD
Family Medicine Physician · Riverside, CA
Eric Sun Chu, MD is a family medicine physician with a practice address in Riverside, California, and NPI 1902339542, issued on Apr 11, 2017. Check the license (California A162493, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric Sun Chu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A162493 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4445 Magnolia Ave, Riverside, CA 92501
- Phone
- (951) 788-3000
- Enumerated
- Apr 11, 2017
- Record last updated
- Sep 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201008001721); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4445 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joey Abadilla, MDStudent in an Organized Health Care Education/Training Program1093417818
- Rashed AbdelaalDiagnostic Radiology Physician1518726090
- Ahmed Abdelhalim, MDDiagnostic Radiology Physician1275162927
- Nirusha AbeydeeraStudent in an Organized Health Care Education/Training Program1295354454
- Alyssa Aboff, CRNA, DNPCertified Registered Nurse Anesthetist1760133292
- Brandon Abrajan, DOStudent in an Organized Health Care Education/Training Program1861141186
Verify Eric Sun Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A162493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
224 Medicare Part D claims for 84 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir22 claims
- Azithromycin11 claims
- Furosemide11 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: $106.83
5 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Providence Healthcare Partners IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Sun Chu among 17,133 family medicine physician records in California
Eric Sun Chu, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
258 family medicine physician records list a practice address in Riverside
They are 258 of the 13,893 NPPES records with a practice address in Riverside, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Riverside → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Farah Almudhafar, MDRiverside, CA 925011740576388
- Nerizza Andrada, M.D.Riverside, CA 925011912038027
- Michelle Bholat, MDRiverside, CA 925011104849959
- Kenneth Browning, D.O.Riverside, CA 925011144311739
- Blanca Campos, MDRiverside, CA 925011104086867
- Marc Debay, M.D.Riverside, CA 925011588996623
- Vien Doan, D.O.Riverside, CA 925011720017148
- Crystal Glassy, D.O., M.P.H.Riverside, CA 925011972869816
Common questions
What is Eric Sun Chu, MD's NPI number?
Eric Sun Chu, MD's National Provider Identifier (NPI) is 1902339542, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Eric Sun Chu, MD located?
The NPPES record lists a practice address at 4445 Magnolia Ave, Riverside, CA, 92501. Phone: (951) 788-3000. Providers update this record themselves, so call before visiting.
How can I verify Eric Sun Chu, MD's license?
NPPES lists California license number A162493, 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 Eric Sun Chu, MD prescribe under Medicare Part D?
In 2024, Eric Sun Chu, MD had 224 Medicare Part D claims for 84 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.