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

William P Guinan and Associates LLC

Organization Specialist · NPI 1184164477

William P Guinan and Associates LLC provides Specialist services 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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