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

Dr. John J Duque, MD

Individual provider Gastroenterology Physician · NPI 1295710747

Dr. John J Duque, MD is a Gastroenterology in Chula Vista, California. Graduated from University of California, San Diego School of Medicine in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2005
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

480 4th Ave Ste 316
Chula Vista, CA 91910-4410
Phone: (619) 691-0240
Fax: (619) 691-8804
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 G48442 (CA)

Record details

NPI number1295710747
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 7, 2005
Last updated in NPPESNovember 25, 2013
Mailing address480 4th Ave, Suite 316, Chula Vista, CA 91910-4410

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Chula Vista