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

Leong Hean Tan MD PA

Organization Internal Medicine Physician · NPI 1184970113

Leong Hean Tan MD PA is an Internal Medicine Physician in Hackettstown, New Jersey. Registered with an NPI since 2012.

In the registry since
2012
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

121 Shelley Dr Ste 1D
Hackettstown, NJ 07840-2530
Phone: (908) 852-0901
Fax: (908) 850-8730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1184970113
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Leong Tan — Physician · (908) 852-0901
NPI enumeratedJuly 27, 2012
Last updated in NPPESJuly 27, 2012
Mailing addressPo Box 7205, Hackettstown, NJ 07840-7205

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