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

Individual provider Periodontics · NPI 1013220524

Dr. Tassos John Sfondouris, DDS, MS is a Periodontics in Severna Park, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2010
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

900 Ritchie Hwy Ste 103
Severna Park, MD 21146-4142
Phone: (410) 647-0200
Fax: (410) 315-8456
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence 14161 (MD)

Record details

NPI number1013220524
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorYes
NPI enumeratedJuly 26, 2010
Last updated in NPPESJuly 26, 2010

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