Andrew Dertien
NPI 1013512383 · Addiction (Substance Use Disorder) Counselor · San Francisco, CA
Andrew Dertien is a Addiction (Substance Use Disorder) Counselor provider in San Francisco, CA (NPI 1013512383).
Provider details
- NPI number
- 1013512383
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
5 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
Mailing address
Registry dates
- Enumerated
- 2020-12-03
- Last updated
- 2023-03-17
- Certified
- 2023-03-17
Frequently asked questions
- What is Andrew Dertien's NPI number?
- Andrew Dertien's National Provider Identifier (NPI) is 1013512383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Dertien's specialty?
- Andrew Dertien is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Andrew Dertien located?
- Andrew Dertien's practice location on file with NPPES is 1111 Market St Fl 1, San Francisco, CA 94103-1589.
- What is Andrew Dertien's phone number?
- The practice phone number listed in the NPPES registry for Andrew Dertien is (415) 863-3883.
- Is Andrew Dertien's NPI active?
- Yes — Andrew Dertien's NPI (1013512383) is active in the NPPES registry as of the last update on 2023-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.