Winchell Quan
NPI 1780737544 · Marriage & Family Therapist · Santa Rosa, CA
Winchell Quan is a Marriage & Family Therapist provider in Santa Rosa, CA (NPI 1780737544).
Provider details
- NPI number
- 1780737544
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 31607 (CA)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2007-01-18
- Last updated
- 2014-08-18
Frequently asked questions
- What is Winchell Quan's NPI number?
- Winchell Quan's National Provider Identifier (NPI) is 1780737544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winchell Quan's specialty?
- Winchell Quan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Winchell Quan located?
- Winchell Quan's practice location on file with NPPES is 3322 Chanate Rd, Santa Rosa, CA 95404-1708.
- What is Winchell Quan's phone number?
- The practice phone number listed in the NPPES registry for Winchell Quan is (707) 565-4970.
- Is Winchell Quan's NPI active?
- Yes — Winchell Quan's NPI (1780737544) is active in the NPPES registry as of the last update on 2014-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.