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

Dr. Jeffrey Scott Mason, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1255308912

Dr. Jeffrey Scott Mason, MD is an Endocrinology, Diabetes & Metabolism Physician in LA Verne, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

5670 Shemiran St
LA Verne, CA 91750-2380
Phone: (909) 593-4079
Fax: (951) 274-3056
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence G32644 (CA)

Record details

NPI number1255308912
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 1, 2006
Last updated in NPPESJuly 13, 2026