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

Colette Vassilian, DO

Individual provider Pediatrics Physician · NPI 1104222660

Colette Vassilian, DO is a Pediatrics Physician in Alamo, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1505 Saint Alphonsus Way
Alamo, CA 94507-1570
Phone: (925) 838-4633
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 20A14283 (CA)

Record details

NPI number1104222660
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 11, 2014
Last updated in NPPESDecember 19, 2024
Certification dateDecember 19, 2024
Mailing address1450 Treat Blvd Ste 300, Walnut Creek, CA 94597-2168

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