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

Dr. Marek Niznikiewicz, DDS

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1578684239

Dr. Marek Niznikiewicz, DDS is an Oral and Maxillofacial Surgery (Dentist) in Harrison, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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

351 Harrison Ave
Harrison, NY 10528-2716
Phone: (516) 297-8390
Show map & directions

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

Specialties & licences

Oral and Maxillofacial Surgery (Dentist) (primary) Taxonomy 1223S0112X · Licence 049967 (NY)

Record details

NPI number1578684239
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedApril 2, 2007
Last updated in NPPESJuly 8, 2007