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

Dr. Greg L Ortenberg, DDS

Individual provider Endodontics · NPI 1396996419

Dr. Greg L Ortenberg, DDS is an Endodontics in Farmingville, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
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

1025 Portion Rd Ste H
Farmingville, NY 11738-2291
Phone: (631) 696-0100
Fax: (631) 696-4159
Show map & directions

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

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 052885 (NY)

Record details

NPI number1396996419
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedOctober 7, 2008
Last updated in NPPESApril 10, 2014
Mailing address1025 Portion Rd, Suite H, Farmingville, NY 11738-2291

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