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

Joseph Benjamin Weiss, MD

Individual provider Gastroenterology Physician · NPI 1700979283

Joseph Benjamin Weiss, MD is a Gastroenterology Physician in Rancho Santa Fe, California. Practices as a sole proprietor. Licensed in Arizona and California.

Licensed in
AZ, CA
In the registry since
2006
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

18422 Calle La Serra
Rancho Santa Fe, CA 92091-0132
Phone: (858) 756-9800
Fax: (858) 756-9985
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G37436 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 23208 (AZ)

Record details

NPI number1700979283
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 2, 2006
Last updated in NPPESSeptember 23, 2024
Certification dateSeptember 23, 2024