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Bonnie Stephens, B.S.
NPI 1255464558 · Specialist · Lafayette, CA
Bonnie Stephens, B.S. is a Specialist provider in Lafayette, CA (NPI 1255464558).
Provider details
- NPI number
- 1255464558
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- B.S.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3182 Old Tunnel Rd Ste B
Lafayette, CA 94549-4152
Phone: (925) 933-0105
Street-level locationGet directions
Mailing address
3394 Las Huertas Rd
Lafayette, CA 94549-5156
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Bonnie Stephens's NPI number?
- Bonnie Stephens's National Provider Identifier (NPI) is 1255464558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Stephens's specialty?
- Bonnie Stephens is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Bonnie Stephens located?
- Bonnie Stephens's practice location on file with NPPES is 3182 Old Tunnel Rd Ste B, Lafayette, CA 94549-4152.
- What is Bonnie Stephens's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Stephens is (925) 933-0105.
- Is Bonnie Stephens's NPI active?
- Yes — Bonnie Stephens's NPI (1255464558) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.