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Lyssabeth Mattoon, PH.D.
NPI 1366632747 · Clinical Psychologist · Merced, CA
Lyssabeth Mattoon, PH.D. is a Clinical Psychologist provider in Merced, CA (NPI 1366632747).
Provider details
- NPI number
- 1366632747
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 25874 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
414 W 21st St
Merced, CA 95340-3718
Phone: (209) 720-2960
Street-level locationGet directions
Mailing address
414 W 21st St
Merced, CA 95340-3718
Registry dates
- Enumerated
- 2007-07-31
- Last updated
- 2018-11-16
Frequently asked questions
- What is Lyssabeth Mattoon's NPI number?
- Lyssabeth Mattoon's National Provider Identifier (NPI) is 1366632747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lyssabeth Mattoon's specialty?
- Lyssabeth Mattoon is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Lyssabeth Mattoon located?
- Lyssabeth Mattoon's practice location on file with NPPES is 414 W 21st St, Merced, CA 95340-3718.
- What is Lyssabeth Mattoon's phone number?
- The practice phone number listed in the NPPES registry for Lyssabeth Mattoon is (209) 720-2960.
- Is Lyssabeth Mattoon's NPI active?
- Yes — Lyssabeth Mattoon's NPI (1366632747) is active in the NPPES registry as of the last update on 2018-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.