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

Individual provider Dentist · NPI 1497733463

Walter John Mazzella, DDS, MS is a Dentist in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2006.

Licensed in
DC
In the registry since
2006
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.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

4400 Jenifer St NW #335
Washington, DC 20015
Phone: (202) 966-3132
Fax: (202) 966-0470
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DEN2174 (DC)

Record details

NPI number1497733463
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorNo
NPI enumeratedJanuary 9, 2006
Last updated in NPPESJuly 13, 2026

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