NPPES file of Aug 9, 2026

Herbert C. Ruderman, MD

Psychiatry Physician · Encino, CA

Herbert C. Ruderman, MD is a psychiatry physician with a practice address in Encino, California, and NPI 1285853648, issued on Apr 24, 2007. Check the license (California A28393, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285853648
Name
Herbert C. Ruderman
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A28393 CA
Self-reported in NPPES; status is on the state search
Practice location
16255 Ventura Blvd, Encino, CA 91436
Phone
(818) 981-4544
Enumerated
Apr 24, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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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Also registered at 16255 Ventura Blvd

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

  1. Steven Abrams, M.D.Psychiatry Physician1295954220
  2. Kim Boykin-Johnson, PSYDClinical Psychologist1689987281
  3. Scott CherkaskyPsychiatry Physician1821194945
  4. Madeline De Antonio, L.C.S.W.Clinical Social Worker1265561732
  5. Stephen Friedman, M.D.Procedural Dermatology Physician1578529806
  6. Mohammad Gharavi, MDVascular Surgery Physician1285602698

Verify Herbert C. Ruderman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A28393
    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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91% fewer Medicare Part D claims than the average psychiatry physician in 2024

86 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Herbert Ruderman86
  2. Specialty average1,000

Most prescribed

  1. Lamotrigine23 claims
  2. Trazodone Hcl12 claims
  3. Bupropion Xl11 claims
  4. Citalopram Hbr11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Herbert C. Ruderman among 8,673 psychiatry physician records in California

Herbert C. Ruderman, MD 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. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 48% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2007 · 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).

38 psychiatry physician records list a practice address in Encino

They are 38 of the 3,136 NPPES records with a practice address in Encino, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Daniel Auerbach, MDEncino, CA 914361871676056
  2. Murray Brown, M.D.Encino, CA 914361841374345
  3. Scott CherkaskyEncino, CA 914361821194945
  4. Marcia Daniels, M.D.Encino, CA 914361851462311
  5. Khristine Eroshevich, M.D.Encino, CA 914361720026420
  6. Daniel Grosz, MDEncino, CA 914361831200591
  7. Daniel Iacopi, MDEncino, CA 914361659397727
  8. Robert Kahn-Rose, M.D.Encino, CA 914361912915901

Common questions

What is Herbert C. Ruderman, MD's NPI number?

Herbert C. Ruderman, MD's National Provider Identifier (NPI) is 1285853648, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Herbert C. Ruderman, MD located?

The NPPES record lists a practice address at 16255 Ventura Blvd, Encino, CA, 91436. Phone: (818) 981-4544. Providers update this record themselves, so call before visiting.

How can I verify Herbert C. Ruderman, MD's license?

NPPES lists California license number A28393, 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.

How much does Herbert C. Ruderman, MD prescribe under Medicare Part D?

In 2024, Herbert C. Ruderman, MD had 86 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.