Quick answers
- Does Marsha Hewlett accept Medicare assignment?
- Yes. Medicare's clinician data says Marsha Hewlett accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Marsha Hewlett's NPI number?
- 1316057797. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marsha Hewlett is enrolled with Medicare (CMS data updated October 2, 2026).
- 4631 Teller Ave, Suite 100Newport Beach, CA 92660 (949) 887‑7187
Group practices
Medicare enrollment lists Marsha Hewlett as a member of this group (CMS data updated October 2, 2026).
- Harbor Psychiatry and Mental Health Professional Corporation19 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Other clinicians in Harbor Psychiatry and Mental Health Professional Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 1998 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316057797 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians