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

Mark Jan Sterling MD PC

Organization Specialist · NPI 1487032074

Mark Jan Sterling MD PC is a Specialist in Smithtown, New York. Licensed in New York. Registered with an NPI since 2015.

Licensed in
NY
In the registry since
2015
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

1056 W Jericho Tpke
Smithtown, NY 11787-3212
Phone: (631) 343-7700
Fax: (631) 267-4141
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 191573-1 (NY)

Record details

NPI number1487032074
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Sterling — Owner · (631) 343-7700
NPI enumeratedMay 14, 2015
Last updated in NPPESMay 14, 2015
Mailing address1056 W Jericho Tpke, Smithtown, NY 11787-3212

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