Oliver Harrison
NPI 1437544921 · Addiction (Substance Use Disorder) Counselor · San Francisco, CA
Oliver Harrison is a Addiction (Substance Use Disorder) Counselor provider in San Francisco, CA (NPI 1437544921).
Provider details
- NPI number
- 1437544921
- 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
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-04-01
- Last updated
- 2015-04-09
Frequently asked questions
- What is Oliver Harrison's NPI number?
- Oliver Harrison's National Provider Identifier (NPI) is 1437544921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oliver Harrison's specialty?
- Oliver Harrison is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Oliver Harrison located?
- Oliver Harrison's practice location on file with NPPES is 1301 Pierce St, San Francisco, CA 94115-4005.
- What is Oliver Harrison's phone number?
- The practice phone number listed in the NPPES registry for Oliver Harrison is (415) 563-8200.
- Is Oliver Harrison's NPI active?
- Yes — Oliver Harrison's NPI (1437544921) is active in the NPPES registry as of the last update on 2015-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.