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

William P Guinan and Associates LLC

Organization Specialist · NPI 1184164477

William P Guinan and Associates LLC is a Specialist in South Windsor, Connecticut. Licensed in Connecticut. Registered with an NPI since 2017.

Licensed in
CT
In the registry since
2017
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

25 Oakland Rd Ste 1
South Windsor, CT 06074-2897
Phone: (860) 644-5628
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 028847 (CT)

Record details

NPI number1184164477
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Guinan — Md · (860) 331-7555
NPI enumeratedMarch 6, 2017
Last updated in NPPESMarch 24, 2017
Mailing address436 Middle Tpke E, Manchester, CT 06040-3736

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