Willa Marquis, PH.D.
NPI 1154757029 · Clinical Child & Adolescent Psychologist · San Diego, CA
Willa Marquis, PH.D. is a Clinical Child & Adolescent Psychologist provider in San Diego, CA (NPI 1154757029).
Provider details
- NPI number
- 1154757029
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY30756 (CA)
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
12 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
- 2013-09-23
- Last updated
- 2023-08-28
- Certified
- 2023-08-28
Frequently asked questions
- What is Willa Marquis's NPI number?
- Willa Marquis's National Provider Identifier (NPI) is 1154757029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willa Marquis's specialty?
- Willa Marquis is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Willa Marquis located?
- Willa Marquis's practice location on file with NPPES is 5252 Balboa Ave Ste 500, San Diego, CA 92117-6935.
- What is Willa Marquis's phone number?
- The practice phone number listed in the NPPES registry for Willa Marquis is (619) 432-7332.
- Is Willa Marquis's NPI active?
- Yes — Willa Marquis's NPI (1154757029) is active in the NPPES registry as of the last update on 2023-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.