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

Dr. John William Masters, DDS, MS

Individual provider Endodontics · NPI 1194908988

Dr. John William Masters, DDS, MS is an Endodontics in Julian, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2602 Washington St
Julian, CA 92036-2011
Phone: (760) 765-1675
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

Endodontics (primary) Taxonomy 1223E0200X · Licence 40965 (CA)

Record details

NPI number1194908988
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorYes
NPI enumeratedDecember 14, 2007
Last updated in NPPESJanuary 23, 2008
Mailing addressPo Box 2011, Julian, CA 92036-2011