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

Dr. Ralph J Maiello, DDS

Individual provider General Practice Dentistry · NPI 1861488603

Dr. Ralph J Maiello, DDS is a General Practice Dentistry in Simi Valley, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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.

See every abbreviation used in this directory →

Practice location Address checks out

495 E Los Angeles Ave
Simi Valley, CA 93065-7706
Phone: (805) 584-2228
Fax: (805) 584-0621
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 33335 (CA)

Record details

NPI number1861488603
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedSeptember 27, 2005
Last updated in NPPESJuly 13, 2026
Mailing address495 E Los Angeles Ave, Simi Valley, CA 93065-7706

Other providers in Simi Valley