Marsha Hewlett, PH.D.
Clinical Psychologist · Newport Beach, CA
Marsha Hewlett, PH.D. is a clinical psychologist with a practice address in Newport Beach, California, and NPI 1316057797, issued on Aug 30, 2006. Check the license (California PSY16670, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marsha Hewlett
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY16670 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Dove St Ste 160, Newport Beach, CA 92660
- Phone
- (949) 263-0703
- Enumerated
- Aug 30, 2006
- Record last updated
- Feb 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (949) 719-9204
- Medicare enrollment
- Enrolled (PECOS I20180606003342); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Marsha Hewlett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY16670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Harbor Psychiatry And Mental Health Professional CorporationNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marsha Hewlett among 12,647 clinical psychologist records in California
Marsha Hewlett, 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. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 80% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1998 · median 2006 among the 2,424 with a school on file
- Record last updated2011 · 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).
123 clinical psychologist records list a practice address in Newport Beach
They are 123 of the 4,414 NPPES records with a practice address in Newport Beach, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Newport Beach → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Vance Becker, PH.D.Newport Beach, CA 926601013912443
- Alexandra Chiara, PH.D.Newport Beach, CA 926601528166808
- Steven Davidson, PHDNewport Beach, CA 926601487767992
- Jennifer Fee, PSY.D.Newport Beach, CA 926601932101326
- Michael Fenton, PHDNewport Beach, CA 926601881654846
- Steven Harris, PH.D.Newport Beach, CA 926601487673927
- Christopher Ingalls, PHDNewport Beach, CA 926601497862619
- Sandra Kearns, PH.D.Newport Beach, CA 926601972559490
Common questions
What is Marsha Hewlett, PH.D.'s NPI number?
Marsha Hewlett, PH.D.'s National Provider Identifier (NPI) is 1316057797, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marsha Hewlett, PH.D. located?
The NPPES record lists a practice address at 1101 Dove St Ste 160, Newport Beach, CA, 92660. Phone: (949) 263-0703. Providers update this record themselves, so call before visiting.
How can I verify Marsha Hewlett, PH.D.'s license?
NPPES lists California license number PSY16670, 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. Medicare files from data.cms.gov. 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.