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

Adam I. Chen, MD

Individual provider Gastroenterology Physician · NPI 1821160300

Adam I. Chen, MD is an Internal Medicine in Riverside, California. Graduated from State University of New York at Stony Brook, School of Medicine in 1983, 43 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
43
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
CA
In the registry since
2006
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

10800 Magnolia Ave
Riverside, CA 92505-3043
Phone: (909) 353-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G61592 (CA)

Record details

NPI number1821160300
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 14, 2006
Last updated in NPPESNovember 22, 2021
Mailing address10800 Magnolia Ave, Riverside, CA 92505-3043

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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