NPPES file of Aug 9, 2026

Natalia Diavatis, PSYD

Clinical Psychologist · Antioch, CA

Natalia Diavatis, PSYD is a clinical psychologist with a practice address in Antioch, California, and NPI 1316647027, issued on Mar 9, 2023. Check the license (California PSY34047, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316647027
Name
Natalia Diavatis
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY34047 CA
Self-reported in NPPES; status is on the state search
Practice location
3454 Hillcrest Ave, Antioch, CA 94531
Phone
(925) 777-6300
Enumerated
Mar 9, 2023
Record last updated
Jul 18, 2023
Medicare enrollment
Enrolled (PECOS I20230831000135); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 3454 Hillcrest Ave

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

  1. Samantha Aguilar, PSYDClinical Psychologist1467310151
  2. Melanie Akalal, M.D.Psychiatry Physician1386723971
  3. Arwin Angelae Cotas-Girard, PSY.D.Clinical Psychologist1649539503
  4. Jared Cozen, LMHCClinical Psychologist1235206806
  5. Staci Digioia, PSY.D.Clinical Psychologist1558709600
  6. Lorena Flores, PSY.D.Clinical Child & Adolescent Psychologist1861655748

Verify Natalia Diavatis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY34047    Check 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.

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Bills Medicare through one group practice

  1. Permanente Medical Group IncAntioch, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Natalia Diavatis among 12,647 clinical psychologist records in California

Natalia Diavatis, PSYD 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 2023, is newer than 95% of them.

  • NPI issued2023 · 95% of these records are older, 4% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2021 · median 2006 among the 2,424 with a school on file
  • Record last updated2023 · 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).

32 clinical psychologist records list a practice address in Antioch

They are 32 of the 2,184 NPPES records with a practice address in Antioch, and 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Antioch → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Samantha Aguilar, PSYDAntioch, CA 945311467310151
  2. Rosilda AlvesAntioch, CA 945311174670327
  3. Adeline Boye, PSY.DAntioch, CA 945311306088166
  4. Arwin Angelae Cotas-Girard, PSY.D.Antioch, CA 945311649539503
  5. Jared Cozen, LMHCAntioch, CA 945311235206806
  6. Staci Digioia, PSY.D.Antioch, CA 945311558709600
  7. Kalana Greer, PSYDAntioch, CA 945311306498027
  8. Talia Holden-Brooks, PSYDAntioch, CA 945311639365919

Common questions

What is Natalia Diavatis, PSYD's NPI number?

Natalia Diavatis, PSYD's National Provider Identifier (NPI) is 1316647027, issued on Mar 9, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Natalia Diavatis, PSYD located?

The NPPES record lists a practice address at 3454 Hillcrest Ave, Antioch, CA, 94531. Phone: (925) 777-6300. Providers update this record themselves, so call before visiting.

How can I verify Natalia Diavatis, PSYD's license?

NPPES lists California license number PSY34047, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.