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

Dr. John Keith Spitznagel Jr., DDS, PHD

Individual provider Periodontics · NPI 1255500807

Dr. John Keith Spitznagel Jr., DDS, PHD is a Periodontics in Parkton, Maryland. Practices as a sole proprietor. Licensed in Massachusetts, Maryland and Pennsylvania.

Licensed in
MA, MD, PA
In the registry since
2008
Specialties on file
3
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.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

17818 Foreston Rd
Parkton, MD 21120-9657
Phone: (443) 465-4745
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 13864 (MD)
Periodontics Taxonomy 1223P0300X · Licence DS037003 (PA)
Periodontics Taxonomy 1223P0300X · Licence 15287 (MA)

Record details

NPI number1255500807
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , PHD
Sole proprietorYes
NPI enumeratedFebruary 28, 2008
Last updated in NPPESFebruary 28, 2008