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

Dr. John Hill Mattocks, DDS

Individual provider Endodontics · NPI 1861607335

Dr. John Hill Mattocks, DDS is an Endodontics in Silver Spring, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
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

8830 Cameron Ct Ste 408
Silver Spring, MD 20910-4114
Phone: (301) 587-2333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence MD 5261 (MD)

Record details

NPI number1861607335
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedMay 10, 2007
Last updated in NPPESJuly 8, 2007
Mailing address8830 Cameron Ct, Suite 408, Silver Spring, MD 20910-4114

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