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

Dr. Allen Helfer, DDS

Individual provider Endodontics · NPI 1699816397

Dr. Allen Helfer, DDS is an Endodontics in Spring Valley, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
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.

See every abbreviation used in this directory →

Practice location Address checks out

728 N Main St
Spring Valley, NY 10977-1960
Phone: (845) 354-9300
Fax: (845) 354-4298
Show map & directions

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

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 023220 (NY)

Record details

NPI number1699816397
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedFebruary 8, 2007
Last updated in NPPESDecember 11, 2007
Mailing address728 N Main St, Spring Valley, NY 10977-1960