Ruby Y F Chen
Family Medicine · Chino, CA
At a glance
5451 Walnut Ave, Chino, CA 91710-2609
NPPES record updated Sep 29, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
5451 Walnut AveChino, CA 91710-2609
Additional reported practice locations
2333 Foothill Blvd Ste CLa Verne, CA 917503027
Phone: 9093926511
Fax: 9094692137 3110 Chino Ave Ste 150B
Chino Hills, CA 917091295
Phone: 9096307868
Fax: 9094692109 1601 Monte Vista Ave Ste 190
Claremont, CA 917116600
Phone: 9098659977
Fax: 9094692119 650 Stewart Rd
Monroe, MI 481624222
Phone: 7342408430
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2021
- CMS specialties
- Family Practice
Practice groups
Reported hospital affiliations
- Montclair Hospital Medical Center Montclair, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Travel and lodging | $86.00 |
| Food and beverage | $16.17 |
Reporting companies
| Company | Amount |
|---|---|
| AMGEN INC. | $86.00 |
| MERCK SHARP & DOHME LLC | $16.17 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Medicine
- Taxonomy code
- 207Q00000X
- Enumeration date
- Jun 16, 2022
- Record updated
- Sep 29, 2026
More registry details
- Provider type
- Individual · Type 1
Reported taxonomies and licenses
207Q00000X
License reported: 4351050320 MI
207Q00000X · Primary
License reported: A197474 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
5451 Walnut AveChino, CA 91710-2609
- Phone
- (909) 464-8600
Mailing address
5451 WALNUT AVECHINO, CA 917102609
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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