Registry data as of Aug 27, 2026

Debra Decker, PHD

Clinical Psychologist · Simi Valley, CA

Debra Decker, PHD is a clinical psychologist with a practice address in Simi Valley, California, and NPI 1841342664, issued on Jan 18, 2007. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1841342664
Name
Debra Decker
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
Practice location
3695 Alamo St, Simi Valley, CA 93063
Phone
(805) 522-1700
Enumerated
Jan 18, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3695 Alamo St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marina AzerPharmacist1407441298
  2. Victor Muradian, D.D.S.General Practice Dentistry1720042849
  3. Jeffrey Nagel, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1235361791
  4. Norman Nagel, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1053656553
  5. Daniel Rozdial, LMFTMarriage & Family Therapist1497086920
  6. Kaera Spencer-PetersonMarriage & Family Therapist1194665729

Verify Debra Decker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Clinical Psychologist providers in California

There are 11,200 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical psychologist records in California

  1. Tanya Aaen, PH.D.Martinez, CA1477518561
  2. Jack Aamot, PSY.D.Napa, CA1770711210
  3. Elena Abalo-Dehmer, PH.D.Anaheim, CA1942406368
  4. Brian Abary, PSY.DLos Angeles, CA1538354832
  5. Tatevik Abaryan, PH.D.Pacoima, CA1952682619
  6. Liana Abascal, PH.D.San Diego, CA1073740569
  7. Jessica Abdalla, PHDWalnut Creek, CA1558069211
  8. Mohamed Abdallah, PSY.DEl Centro, CA1912430851
  9. Megan Abdolrashidi, PSYDGilroy, CA1093293094
  10. Qutayba Abdullatif, PH.D.Pasadena, CA1134667751

Common questions

What is Debra Decker, PHD's NPI number?

Debra Decker, PHD's National Provider Identifier (NPI) is 1841342664, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Debra Decker, PHD located?

The NPPES record lists a practice address at 3695 Alamo St, Simi Valley, CA, 93063. Phone: (805) 522-1700. Providers update this record themselves, so call before visiting.

How can I verify Debra Decker, PHD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.