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

Eric Changchien, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1710137401

Eric Changchien, MD is a Colorectal Surgery (Proctology) in Riverside, California. Graduated from Wright State University Boonshoft School of Medicine in 2007, 19 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California and Utah.

Years since qualifying
19
Trained at
Wright State University Boonshoft School of Medicine
Licensed in
CA, UT
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3660 Park Sierra Dr Ste 105
Riverside, CA 92505-3081
Phone: (951) 278-8870
Fax: (951) 278-8913
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 108490 (CA)
Colon & Rectal Surgery Physician Taxonomy 208C00000X · Licence 8505128-1205 (UT)

Record details

NPI number1710137401
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 30, 2008
Last updated in NPPESNovember 29, 2021
Mailing addressPo Box 2828, Corona, CA 92878-2828

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Also practisesGENERAL SURGERY
Medical schoolWRIGHT STATE UNIVERSITY BOONSHOFT SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount