Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Guillermo Da Silva-Montemayor, MS

Individual provider Marriage & Family Therapist · NPI 1730326786

Mr. Guillermo Da Silva-Montemayor, MS is a Marriage & Family Therapist in Newport Beach, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1400 Bristol St N Ste 250
Newport Beach, CA 92660-2987
Phone: (714) 476-5846
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 77730 (CA)

Record details

NPI number1730326786
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedJanuary 13, 2009
Last updated in NPPESNovember 13, 2017

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