Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Kevin L Leen MD E Allan Speidell MD Assoc in Internal Med PC

Organization Internal Medicine Physician · NPI 1891720827

Kevin L Leen MD E Allan Speidell MD Assoc in Internal Med PC is an Internal Medicine Physician in Livingston, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
Specialties on file
2
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

65 E Northfield Rd
Livingston, NJ 07039
Phone: (973) 992-6487
Fax: (973) 992-7040
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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 · Licence 25MA01920400 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25MA01924700 (NJ)

Record details

NPI number1891720827
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kevin Leen — Treasurer · (973) 992-6487
NPI enumeratedJuly 11, 2006
Last updated in NPPESMarch 7, 2008
Mailing address65 East Northfield Road, Livingston, NJ 07039

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