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

MS. Bonnie Nelson Stephens, BS

Individual provider Specialist · NPI 1255464558

MS. Bonnie Nelson Stephens, BS is a Specialist in Lafayette, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.

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Practice location Address checks out

3182 Old Tunnel Rd Ste B
Lafayette, CA 94549-4152
Phone: (925) 933-0105
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X

Record details

NPI number1255464558
Entity typeIndividual (Type 1)
GenderFemale
Credentials BS
Sole proprietorYes
NPI enumeratedMarch 14, 2007
Last updated in NPPESJuly 8, 2007

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