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

Stephen M. Spear MD and Stuart A. Nerzig, MD, PC

Organization Internal Medicine Physician · NPI 1497948137

Stephen M. Spear MD and Stuart A. Nerzig, MD, PC is an Internal Medicine Physician in Southbury, Connecticut. Registered with an NPI since 2007.

In the registry since
2007
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

30 Quaker Farms Rd
Southbury, CT 06488-2732
Phone: (203) 262-9300
Fax: (203) 264-1523
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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 number1497948137
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Spear — Doctor · (203) 262-9300
NPI enumeratedAugust 27, 2007
Last updated in NPPESSeptember 5, 2007
Mailing address30 Quaker Farms Rd, Southbury, CT 06488-2732

Other providers in Southbury