David Dwyer
NPI 1578492138 · Addiction (Substance Use Disorder) Counselor · Sacramento, CA
David Dwyer is a Addiction (Substance Use Disorder) Counselor provider in Sacramento, CA (NPI 1578492138).
Provider details
- NPI number
- 1578492138
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2026-05-18
- Last updated
- 2026-05-18
- Certified
- 2026-05-18
Frequently asked questions
- What is David Dwyer's NPI number?
- David Dwyer's National Provider Identifier (NPI) is 1578492138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Dwyer's specialty?
- David Dwyer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is David Dwyer located?
- David Dwyer's practice location on file with NPPES is 4241 Florin Rd Ste 75, Sacramento, CA 95823-2535.
- What is David Dwyer's phone number?
- The practice phone number listed in the NPPES registry for David Dwyer is (916) 840-7874.
- Is David Dwyer's NPI active?
- Yes — David Dwyer's NPI (1578492138) is active in the NPPES registry as of the last update on 2026-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.