Ivonne Monique Klatt, PSY.D.,
Psychologist · Concord, CA
Ivonne Monique Klatt, PSY.D., is a psychologist with a practice address in Concord, California, and NPI 1407184237, issued on Dec 7, 2009. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ivonne Monique Klatt
- Credential
- PSY.D.,
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 2600 Stanwell Dr Ste 220, Concord, CA 94520
- Phone
- (925) 363-5000
- Enumerated
- Dec 7, 2009
- Record last updated
- Jan 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20160808001957); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2600 Stanwell Dr Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth JohnsonAddiction (Substance Use Disorder) Counselor1033483946
Verify Ivonne Monique Klatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
- Permanente Medical Group IncCampbell, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychologist providers in California
There are 7,304 psychologist records in California.
Other psychologist records in California
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- Riley AbelesLos Angeles, CA1841861945
- Jenna Abell, PSYDLos Angeles, CA1073743969
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- Tseday Aberra, PSY.D.Corona, CA1104026517
- Elham Abouhamzeh, PSY.DIrvine, CA1386092880
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- Mackenzie Abraham, PHDRedondo Beach, CA1881053833
- Sandra Abraham, PSYDSanta Fe Springs, CA1427467851
Common questions
What is Ivonne Monique Klatt, PSY.D.,'s NPI number?
Ivonne Monique Klatt, PSY.D.,'s National Provider Identifier (NPI) is 1407184237, issued on Dec 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ivonne Monique Klatt, PSY.D., located?
The NPPES record lists a practice address at 2600 Stanwell Dr Ste 220, Concord, CA, 94520. Phone: (925) 363-5000. Providers update this record themselves, so call before visiting.
How can I verify Ivonne Monique Klatt, PSY.D.,'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), 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.