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

Dr. John William Gillan, DDSMS

Individual provider Endodontics · NPI 1417902107

Dr. John William Gillan, DDSMS is an Endodontics in Mesa, Arizona. Licensed in Arizona. Registered with an NPI since 2006.

Licensed in
AZ
In the registry since
2006

Practice location Address checks out

2220 W Southern Ave Ste #102
Mesa, AZ 85202-4704
Phone: (480) 834-7100
Fax: (480) 833-3134
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence #2278 (AZ)

Record details

NPI number1417902107
Entity typeIndividual (Type 1)
GenderMale
Credentials DDSMS
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESJuly 13, 2026
Mailing address2220 W Southern Avenue, Suite #102, Mesa, AZ 85202-4704

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