Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Robert J. Dunning DDS, PC

Organization General Practice Dentistry · NPI 1134116395

Robert J. Dunning DDS, PC provides General Practice Dentistry in Amsterdam, New York. Registered with an NPI since 2005.

In the registry since
2005
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

191 Guy Park Ave
Amsterdam, NY 12010-3254
Phone: (518) 842-3220
Fax: (518) 843-0830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X

Record details

NPI number1134116395
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thaddeus Marciniszyn — President · (518) 842-3220
NPI enumeratedOctober 3, 2005
Last updated in NPPESAugust 22, 2020
Mailing address191 Guy Park Ave, Amsterdam, NY 12010-3254

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