Marsha Hewlett, PH.D.
NPI 1316057797 · Clinical Psychologist · Newport Beach, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marsha Hewlett, PH.D. is a Clinical Psychologist provider in Newport Beach, CA (NPI 1316057797).
Provider details
- NPI number
- 1316057797
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY16670 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-08-30
- Last updated
- 2011-02-23
Frequently asked questions
- What is Marsha Hewlett's NPI number?
- Marsha Hewlett's National Provider Identifier (NPI) is 1316057797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Hewlett's specialty?
- Marsha Hewlett is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Marsha Hewlett located?
- Marsha Hewlett's practice location on file with NPPES is 1101 Dove St Ste 160, Newport Beach, CA 92660-2826.
- What is Marsha Hewlett's phone number?
- The practice phone number listed in the NPPES registry for Marsha Hewlett is (949) 263-0703.
- Does Marsha Hewlett accept Medicare?
- Marsha Hewlett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marsha Hewlett's NPI active?
- Yes — Marsha Hewlett's NPI (1316057797) is active in the NPPES registry as of the last update on 2011-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.