Elaine Costanzo Alvarez, PH.D.
Clinical Psychologist · Northridge, CA
Elaine Costanzo Alvarez, PH.D. is a clinical psychologist with a practice address in Northridge, California, and NPI 1417030800, issued on Oct 23, 2006. Check the license (California PSY 5342, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Elaine Costanzo Alvarez
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY 5342 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18546 Roscoe Blvd Ste 210, Northridge, CA 91324
- Phone
- (818) 710-8057
- Enumerated
- Oct 23, 2006
- Record last updated
- Mar 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (818) 710-8042
- Entity
- Type 1 · individual
Verify Elaine Costanzo Alvarez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 5342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49 clinical psychologist records list a practice address in Northridge
They are 49 of the 2,598 NPPES records with a practice address in Northridge, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 49 in Northridge → All 12,647 in California → Every provider in Northridge →
Other clinical psychologist records in California
- Tanya Aaen, PH.D.Martinez, CA1477518561
- Jack Aamot, PSY.D.Napa, CA1770711210
- Brian Abary, PSY.DLos Angeles, CA1538354832
- Tatevik Abaryan, PH.D.Pacoima, CA1952682619
- Liana Abascal, PH.D.San Diego, CA1073740569
- Jessica Abdalla, PHDWalnut Creek, CA1558069211
- Mohamed Abdallah, PSY.DEl Centro, CA1912430851
- Megan Abdolrashidi, PSYDGilroy, CA1093293094
- Keri Abdullah, PH.D.San Diego, CA1699840587
- Qutayba Abdullatif, PH.D.Pasadena, CA1134667751
Common questions
What is Elaine Costanzo Alvarez, PH.D.'s NPI number?
Elaine Costanzo Alvarez, PH.D.'s National Provider Identifier (NPI) is 1417030800, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elaine Costanzo Alvarez, PH.D. located?
The NPPES record lists a practice address at 18546 Roscoe Blvd Ste 210, Northridge, CA, 91324. Phone: (818) 710-8057. Providers update this record themselves, so call before visiting.
How can I verify Elaine Costanzo Alvarez, PH.D.'s license?
NPPES lists California license number PSY 5342, 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. 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.