Sylvia Mary Marnella, PH.D.
Clinical Psychologist · San Clemente, CA
Sylvia Mary Marnella, PH.D. is a clinical psychologist with a practice address in San Clemente, California, and NPI 1588741656, issued on Nov 1, 2006. Check the license (California PSY 13905, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sylvia Mary Marnella
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY 13905 CA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Campanilla, San Clemente, CA 92673
- Phone
- (949) 366-0513
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 366-0537
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Sylvia Mary Marnella in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 13905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Sylvia Mary Marnella among 12,647 clinical psychologist records in California
Sylvia Mary Marnella, PH.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 80% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 clinical psychologist records list a practice address in San Clemente
They are 15 of the 969 NPPES records with a practice address in San Clemente, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in San Clemente → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Anna Arya, PSYDSan Clemente, CA 926731053934687
- Bridgette Atallah, M.A.San Clemente, CA 926731720373954
- Gina Atencio-MacleanSan Clemente, CA 926731194003608
- William Martin, PH.D.,P.C.San Clemente, CA 926731740205186
- Albert Modad, PSYDSan Clemente, CA 926731629453691
- Janet Seymour, PSYDSan Clemente, CA 926731790902211
- Piper Walsh, PHDSan Clemente, CA 926731740405893
- Marijane Ward, PH.D.San Clemente, CA 926731124235593
Common questions
What is Sylvia Mary Marnella, PH.D.'s NPI number?
Sylvia Mary Marnella, PH.D.'s National Provider Identifier (NPI) is 1588741656, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia Mary Marnella, PH.D. located?
The NPPES record lists a practice address at 33 Campanilla, San Clemente, CA, 92673. Phone: (949) 366-0513. Providers update this record themselves, so call before visiting.
How can I verify Sylvia Mary Marnella, PH.D.'s license?
NPPES lists California license number PSY 13905, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.