Ruby Y F Chen
Family Medicine Physician · Chino, CA
Ruby Y F Chen is a family medicine physician with a practice address in Chino, California, and NPI 1811627276, issued on Jun 16, 2022. Check the license (California A197474, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ruby Y F Chen
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A197474 CA
4351050320 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5451 Walnut Ave, Chino, CA 91710
- Phone
- (909) 464-8600
- Enumerated
- Jun 16, 2022
- Record last updated
- Feb 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20260112000514); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5451 Walnut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmet AhmadiStudent in an Organized Health Care Education/Training Program1043199532
- Brian Ahn, D.O.Student in an Organized Health Care Education/Training Program1265849749
- Randall Allred, D.O.Student in an Organized Health Care Education/Training Program1629427703
- Harikrishna Ambati, MDFamily Medicine Physician1154998730
Verify Ruby Y F Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A197474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
62 Medicare Part D claims for 34 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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: $48.16
2 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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
- Premier Family Medicine Associates, IncClaremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruby Y F Chen among 17,133 family medicine physician records in California
Ruby Y F Chen 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
45 family medicine physician records list a practice address in Chino
They are 45 of the 1,097 NPPES records with a practice address in Chino, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Chino → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jackson Alparce, M/D.Chino, CA 917101427162437
- Farah Ameeri, D.O.Chino, CA 917101023054699
- Subash Chander, M.DChino, CA 917101417003930
- Yolanda Grady, M.D.Chino, CA 917101235135518
- Pamela Harford, DOChino, CA 917101841299559
- Anita Kundi, D.OChino, CA 917101518933266
- Paul Lai, D.O.Chino, CA 917101508811514
- James Lally, D.O.Chino, CA 917101285633867
Common questions
What is Ruby Y F Chen's NPI number?
Ruby Y F Chen's National Provider Identifier (NPI) is 1811627276, issued on Jun 16, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Y F Chen located?
The NPPES record lists a practice address at 5451 Walnut Ave, Chino, CA, 91710. Phone: (909) 464-8600. Providers update this record themselves, so call before visiting.
How can I verify Ruby Y F Chen's license?
NPPES lists California license number A197474, 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 Ruby Y F Chen prescribe under Medicare Part D?
In 2024, Ruby Y F Chen had 62 Medicare Part D claims for 34 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.