Sylvia Marnella, PH.D.
NPI 1588741656 · Clinical Psychologist · San Clemente, CA
Sylvia Marnella, PH.D. is a Clinical Psychologist provider in San Clemente, CA (NPI 1588741656).
Provider details
- NPI number
- 1588741656
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 13905 (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
- 2006-11-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sylvia Marnella's NPI number?
- Sylvia Marnella's National Provider Identifier (NPI) is 1588741656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Marnella's specialty?
- Sylvia Marnella is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sylvia Marnella located?
- Sylvia Marnella's practice location on file with NPPES is 33 Campanilla, San Clemente, CA 92673.
- What is Sylvia Marnella's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Marnella is (949) 366-0513.
- Is Sylvia Marnella's NPI active?
- Yes — Sylvia Marnella's NPI (1588741656) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.