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

Dr. Guillermo D Castillo, MD

Individual provider Specialist · NPI 1801828967

Dr. Guillermo D Castillo, MD is a Specialist in Savoy, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1804 Woodfield Dr
Savoy, IL 61874-9505
Phone: (217) 359-7508
Fax: (217) 359-8602
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X (IL)

Record details

NPI number1801828967
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1804 Woodfield Dr, Savoy, IL 61874-9505

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