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

Guillermo Donan, DDS , Inc

Organization General Practice Dentistry · NPI 1225168016

Guillermo Donan, DDS , Inc is a General Practice Dentistry in Fresno, California. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

125 E Barstow Ave Ste 101
Fresno, CA 93710-5023
Phone: (559) 222-9923
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X

Record details

NPI number1225168016
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Guillermo Donan — President · (559) 222-9923
NPI enumeratedMarch 7, 2007
Last updated in NPPESAugust 22, 2020
Mailing address125 E Barstow Ave Ste 101, Fresno, CA 93710-5023

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