Mallory L. Moon, PSY.D.
Clinical Psychologist · El Cajon, CA
Mallory L. Moon, PSY.D. is a clinical psychologist with a practice address in El Cajon, California, and NPI 1205496932, issued on Jun 14, 2019. Check the license (California 31108, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mallory L. Moon
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 31108 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Fesler St Ste 208, El Cajon, CA 92020
- Phone
- (619) 440-4211
- Enumerated
- Jun 14, 2019
- Record last updated
- Aug 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191220002276); 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 →
Also registered at 500 Fesler St Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Vannortwick, LMFTMarriage & Family Therapist1528679016
Verify Mallory L. Moon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 31108Check 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
- Silver Lake Psychology IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mallory L. Moon among 12,647 clinical psychologist records in California
Mallory L. Moon, PSY.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 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2016 · median 2006 among the 2,424 with a school on file
- Record last updated2019 · 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).
Clinical Psychologist providers in California
There are 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in El Cajon → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Ana Marie Desoto, PHDEl Cajon, CA 920201063596021
- Moe Fathi, PHDEl Cajon, CA 920201952979098
- Megan Johnson, PSY.D.El Cajon, CA 920201639487283
- Cathy NguyenEl Cajon, CA 920201285060731
- Denisse Obeso, PSY.D.El Cajon, CA 920201881851384
- Stephen Papaleo, PH.D.El Cajon, CA 920201598702029
- Gordon Renwick, PSY.DEl Cajon, CA 920201679581953
- Margaret Tess, PH.D.El Cajon, CA 920201306872502
Common questions
What is Mallory L. Moon, PSY.D.'s NPI number?
Mallory L. Moon, PSY.D.'s National Provider Identifier (NPI) is 1205496932, issued on Jun 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mallory L. Moon, PSY.D. located?
The NPPES record lists a practice address at 500 Fesler St Ste 208, El Cajon, CA, 92020. Phone: (619) 440-4211. Providers update this record themselves, so call before visiting.
How can I verify Mallory L. Moon, PSY.D.'s license?
NPPES lists California license number 31108, 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.