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

Dr Ovanessian Treatment Center LLC

Organization Addiction Psychiatry Physician · NPI 1164749057

Dr Ovanessian Treatment Center LLC is an Addiction Psychiatry Physician in Newtown, Connecticut. Licensed in Connecticut. Registered with an NPI since 2010.

Licensed in
CT
In the registry since
2010
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

20 Church Hill Rd
Newtown, CT 06470-1657
Phone: (203) 304-9599
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence 042079 (CT)
Preferred Provider Organization Taxonomy 305R00000X · Licence 042079 (CT)

Record details

NPI number1164749057
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Simon Ovanessain — Physician/Surgeon · (845) 548-6073
NPI enumeratedMay 1, 2010
Last updated in NPPESApril 4, 2013
Mailing address20 Church Hill Rd, Newtown, CT 06470-1657