Doctor profile · Federal record

Dr. Ruby Y F Chen

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Chino, CA

  • NPI 1811627276
  • 5 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
5451 Walnut Ave
Chino, CA 917102609
(909) 464-8600
Additional location
1601 Monte Vista Ave Ste 190
Claremont, CA 917116600
(909) 865-9977
fax (909) 469-2119
Additional location
2333 Foothill Blvd Ste C
La Verne, CA 917503027
(909) 392-6511
fax (909) 469-2137
Show 2 more locations
Additional location
3110 Chino Ave Ste 150B
Chino Hills, CA 917091295
(909) 630-7868
fax (909) 469-2109
Additional location
650 Stewart RD
Monroe, MI 481624222
(734) 240-8430

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
February 25, 2026
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
California #A197474 · Michigan #4351050320

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811627276. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 1 $30.61
Novartis Pharmaceuticals Corporation 1 $17.55

By nature of payment

Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
30
Patients
0
Total drug cost
$269
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 19 0 $156
Levothyroxine Sodium Generic 11 0 $113

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruby Y F Chen's medical specialty?
Dr. Ruby Y F Chen practices Family Medicine Physician in Chino, CA.
Where does Dr. Ruby Y F Chen practice?
Dr. Ruby Y F Chen practices at 5451 Walnut Ave, Chino, CA 917102609. Office phone: 9094648600.
What is Dr. Ruby Y F Chen's NPI?
Dr. Ruby Y F Chen's National Provider Identifier (NPI) is 1811627276, issued by NPPES.
Does Dr. Ruby Y F Chen accept Medicare assignment?
Dr. Ruby Y F Chen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.