Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Marsha Hewlett, PHD

Individual provider Clinical Psychologist · NPI 1316057797

Dr. Marsha Hewlett, PHD is a Clinical Psychologist in Newport Beach, California. Qualified in 1998, 28 years ago. Practices with Harbor Psychiatry and Mental Health Professional Corporation, a 19-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
28
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1101 Dove St Ste 160
Newport Beach, CA 92660-2826
Phone: (949) 263-0703
Fax: (949) 719-9204
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY16670 (CA)
Forensic Psychologist Taxonomy 103TF0200X · Licence PSY16670 (CA)

Record details

NPI number1316057797
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 30, 2006
Last updated in NPPESFebruary 23, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Harbor Psychiatry And Mental Health Professional Corporation — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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