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

Sandi De Guzman, FNP

Individual provider Family Nurse Practitioner · NPI 1871486647

Sandi De Guzman, FNP is a Nurse Practitioner in Antioch, California. Qualified in 2025, 1 year ago. Practices as a sole proprietor. Licensed in California.

Years since qualifying
1
Licensed in
CA
In the registry since
2025
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

5173 Lone Tree Way
Antioch, CA 94531-8689
Phone: (925) 685-4224
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95035361 (CA)

Record details

NPI number1871486647
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedMay 31, 2025
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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