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

Danielle Mazzei

Individual provider Mental Health Counselor · NPI 1881854420

Danielle Mazzei is a Mental Health Counselor in Vallejo, California. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008

Practice location Address checks out

2201 Tuolumne St
Vallejo, CA 94589-2524
Phone: (707) 558-1777
Fax: (707) 558-1770
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1881854420
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJune 16, 2008
Last updated in NPPESJune 16, 2008
Mailing address1650 Pine St, 16, Concord, CA 94520-3463

Other providers in Vallejo