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

Dr. Jason Buddika Samarasena, MD

Individual provider Gastroenterology Physician · NPI 1629253364

Dr. Jason Buddika Samarasena, MD is an Internal Medicine in Orange, California. Qualified in 2005, 21 years ago. Practices with Uc Regents, a 306-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
Licensed in
CA
In the registry since
2007
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

101 The City Dr S Bldg 200 Ste 720
Orange, CA 92868-3201
Phone: (714) 456-6693
Fax: (714) 456-8874
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A100124 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A100124 (CA)

Record details

NPI number1629253364
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 31, 2007
Last updated in NPPESJanuary 24, 2025
Certification dateJanuary 24, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Orange