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

South Mountain Nephrology, LLC

Organization Nephrology Physician · NPI 1851403927

South Mountain Nephrology, LLC is a Nephrology Physician in Belleville, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
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

5 Franklin Ave Ste 401
Belleville, NJ 07109-3532
Phone: (973) 450-8999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence MA062557 (NJ)

Record details

NPI number1851403927
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Penny Defranco — President · (973) 450-8999
NPI enumeratedAugust 31, 2006
Last updated in NPPESMay 12, 2009
Mailing address5 Franklin Ave, Suite 401, Belleville, NJ 07109-3532

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