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RUBY Y F CHEN
NPI 1811627276
Family Medicine in Chino, CA

Active since June 16, 2022PECOS Enrolled
5451 WALNUT AVE, CHINO, CA 91710(909) 464-8600 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ruby Y F Chen NPPES

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

RUBY Y F CHEN (NPI 1811627276) is an individual family medicine provider in Chino, California, licensed in California (A197474) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1811627276
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameRUBY Y F CHEN
Location Address5451 WALNUT AVEChino, CA 91710-2609
Mailing Address5451 Walnut AveChino, CA 91710-2609
Phone(909) 464-8600
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 16, 2022
Last NPPES UpdateFebruary 25, 2026
NPPES CertifiedFebruary 25, 2026
✔ NPI 1811627276 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A197474✔ Licensed in MI · 4351050320
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5451 WALNUT AVE, Chino, CA 91710
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Secondary Practice Locations 4

Location 13110 Chino Ave Ste 150BChino Hills, CA 91709-1295 · Phone (909) 630-7868 · Fax (909) 469-2109
Location 22333 Foothill Blvd Ste CLA Verne, CA 91750-3027 · Phone (909) 392-6511 · Fax (909) 469-2137
Location 3650 Stewart RdMonroe, MI 48162-4222 · Phone (734) 240-8430
Location 41601 Monte Vista Ave Ste 190Claremont, CA 91711-6600 · Phone (909) 865-9977 · Fax (909) 469-2119

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruby Y F Chen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9234518812
PECOS Enrollment IDI20260112000514
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91710 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
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.

DR. NEELAMMA VENKATASHAMAPPA
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8623
CHINO EMERGENCY MEDICAL ASSOCIATES, INC.
Emergency Medicine
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (424) 241-1546
ANTHONY HICHAM SEMAAN
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8600
DR. DANIEL TEHRANZADEH
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8600
HOANGANH CHAU
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8600
HUDA NASANI
Family Medicine
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8600
AHMET SEKIP AHMADI
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8920
MARCO ANTONIO VALLADARES RENDEROS MD
Family Medicine
5451 WALNUT AVE
CHINO, CA 91710
San Bernardino County (909) 464-8609

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 Ruby Y F Chen's NPI number?

The NPI number for Ruby Y F Chen is 1811627276. It was assigned to this individual provider in the NPPES registry on June 16, 2022.

Where is Ruby Y F Chen located?

Ruby Y F Chen practices at 5451 Walnut Ave, Chino, CA 91710. The listed phone number is (909) 464-8600.

What is Ruby Y F Chen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ruby Y F Chen enrolled in Medicare?

Yes. Ruby Y F Chen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ruby Y F Chen was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.