IndividualActive
Darryl Johnson
NPI 1003704040 · Peer Specialist · San Leandro, CA
Darryl Johnson is a Peer Specialist provider in San Leandro, CA (NPI 1003704040).
Provider details
- NPI number
- 1003704040
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
13095 Neptune Dr
San Leandro, CA 94577-3130
Phone: (510) 300-3500
Street-level locationGet directions
Mailing address
13095 Neptune Dr
San Leandro, CA 94577-3130
Registry dates
- Enumerated
- 2025-06-26
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is Darryl Johnson's NPI number?
- Darryl Johnson's National Provider Identifier (NPI) is 1003704040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darryl Johnson's specialty?
- Darryl Johnson is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Darryl Johnson located?
- Darryl Johnson's practice location on file with NPPES is 13095 Neptune Dr, San Leandro, CA 94577-3130.
- What is Darryl Johnson's phone number?
- The practice phone number listed in the NPPES registry for Darryl Johnson is (510) 300-3500.
- Is Darryl Johnson's NPI active?
- Yes — Darryl Johnson's NPI (1003704040) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.