Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ruoying Feng, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1457848996

Ruoying Feng, MD is an Internal Medicine in Loma Linda, California. Graduated from Drexel University College of Medicine in 2018, 8 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
8
Trained at
Drexel University College of Medicine
Licensed in
CA
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11201 Benton St
Loma Linda, CA 92357-0341
Phone: (858) 353-6887
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 175010 (CA)

Record details

NPI number1457848996
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2018
Last updated in NPPESNovember 15, 2024
Certification dateNovember 15, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolDREXEL UNIVERSITY COLLEGE OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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