NPPES file of Aug 9, 2026

Marshall Robert Berens, MD

Emergency Medicine Physician · Topanga, CA

Marshall Robert Berens, MD is an emergency medicine physician with a practice address in Topanga, California, and NPI 1659922920, issued on Sep 26, 2019. Check the license (California G20759, 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
1659922920
Name
Marshall Robert Berens
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G20759 CA
Self-reported in NPPES; status is on the state search
Practice location
20958 Hillside Dr, Topanga, CA 90290
Phone
(818) 292-0413
Enumerated
Sep 26, 2019
Record last updated
Sep 26, 2019 (not updated in 7 years: call before relying on the address or phone)
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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Verify Marshall Robert Berens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G20759
    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

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1 emergency medicine physician records list a practice address in Topanga

They are 1 of the 56 NPPES records with a practice address in Topanga, and 7,751 emergency medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Marshall Robert Berens, MD's NPI number?

Marshall Robert Berens, MD's National Provider Identifier (NPI) is 1659922920, issued on Sep 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Marshall Robert Berens, MD located?

The NPPES record lists a practice address at 20958 Hillside Dr, Topanga, CA, 90290. Phone: (818) 292-0413. Providers update this record themselves, so call before visiting.

How can I verify Marshall Robert Berens, MD's license?

NPPES lists California license number G20759, 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.

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.