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
Mailing address18422 Calle La Serra, Rancho Santa Fe, CA 92091-0132