NPPES file of Aug 9, 2026

Cesar Ruben Berdeja, M.D.

Psychiatry Physician · Campbell, CA

Cesar Ruben Berdeja, M.D. is a psychiatry physician with a practice address in Campbell, California, and NPI 1033379805, issued on Jun 14, 2008. Check the license (California A124989, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1033379805
Name
Cesar Ruben Berdeja
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
A124989 CA
70788 AZ
S5843 TX
Self-reported in NPPES; status is on the state search
Practice location
251 Llewellyn Ave, Campbell, CA 95008
Phone
(408) 364-4130
Enumerated
Jun 14, 2008
Record last updated
Apr 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(408) 364-7090
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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8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 251 Llewellyn Ave

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

  1. Orly AbtaClinical Social Worker1710059795
  2. Eva AcostaCase Manager/Care Coordinator1144745118
  3. Paloma AganadLicensed Psychiatric Technician1124619739
  4. Deanna AguasBehavior Analyst1356881916
  5. Kayla AgustinCommunity Health Worker1497108823
  6. Perla Alaniz DiazLicensed Vocational Nurse1720260821

Verify Cesar Ruben Berdeja in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124989    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
Open 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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Cesar Ruben Berdeja among 8,673 psychiatry physician records in California

Cesar Ruben Berdeja, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 43% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,673 in California → Every provider in Campbell → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Anthony Atwell, M.D.Campbell, CA 950081356480362
  2. Amit Desai, MDCampbell, CA 950081558627182
  3. Janetta Geringson, MDCampbell, CA 950081174600019
  4. Alexander Goya, MDCampbell, CA 950081275157257
  5. Bob HanCampbell, CA 950081225455488
  6. Jennifer Lancaster, D.O.Campbell, CA 950081205080520
  7. Courtney Maloney, MDCampbell, CA 950081275282600
  8. M. Mar, M.D.Campbell, CA 950081649305905

Common questions

What is Cesar Ruben Berdeja, M.D.'s NPI number?

Cesar Ruben Berdeja, M.D.'s National Provider Identifier (NPI) is 1033379805, issued on Jun 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Cesar Ruben Berdeja, M.D. located?

The NPPES record lists a practice address at 251 Llewellyn Ave, Campbell, CA, 95008. Phone: (408) 364-4130. Providers update this record themselves, so call before visiting.

How can I verify Cesar Ruben Berdeja, M.D.'s license?

NPPES lists California license number A124989, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

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.