Gary Quan
NPI 1376722280 · Addiction (Substance Use Disorder) Counselor · Santa Cruz, CA
Gary Quan is a Addiction (Substance Use Disorder) Counselor provider in Santa Cruz, CA (NPI 1376722280).
Provider details
- NPI number
- 1376722280
- 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
18 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
- 2007-10-26
- Last updated
- 2007-10-26
Frequently asked questions
- What is Gary Quan's NPI number?
- Gary Quan's National Provider Identifier (NPI) is 1376722280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Quan's specialty?
- Gary Quan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gary Quan located?
- Gary Quan's practice location on file with NPPES is 707 Fair Ave, Santa Cruz, CA 95060-5828.
- What is Gary Quan's phone number?
- The practice phone number listed in the NPPES registry for Gary Quan is (831) 427-1007.
- Is Gary Quan's NPI active?
- Yes — Gary Quan's NPI (1376722280) is active in the NPPES registry as of the last update on 2007-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.