NPPES file of Aug 9, 2026

Alan Ruttenberg, MD INC

Psychiatry Physician · Canoga Park, CA

Alan Ruttenberg, MD INC is a psychiatry physician with a practice address in Canoga Park, California, and NPI 1073680021, issued on Nov 28, 2006. Check the license (California C27473, 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
1073680021
Name
Alan Ruttenberg
Credential
MD INC
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
C27473 CA
Self-reported in NPPES; status is on the state search
Practice location
22048 Sherman Way, Canoga Park, CA 91303
Phone
(818) 888-8428
Enumerated
Nov 28, 2006
Record last updated
Nov 29, 2022
Fax
(818) 888-8495
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 22048 Sherman Way

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

  1. Judi Lirman, M.F.T.Marriage & Family Therapist1740489988
  2. Alexandra Mathews, PSYDClinical Psychologist1700043122
  3. Muriel White, LCSWClinical Social Worker1295895407

Verify Alan Ruttenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C27473
    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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70% fewer Medicare Part D claims than the average psychiatry physician in 2024

295 Medicare Part D claims for 155 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Alan Ruttenberg295
  2. Specialty average1,000

Most prescribed

  1. Lamotrigine24 claims
  2. Duloxetine Hcl20 claims
  3. Alprazolam19 claims
  4. Lorazepam17 claims
  5. Escitalopram Oxalate16 claims
  6. Clonazepam13 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.

Alan Ruttenberg among 8,673 psychiatry physician records in California

Alan Ruttenberg, MD INC 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2022 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Fabian Hernandez, D.O.Canoga Park, CA 913031467586693
  2. Rod Amiri, MDCalabasas, CA 913021083769293
  3. Andrew Do, M.D.Canoga Park, CA 913041518209683
  4. Robert Feeley, M.D.Calabasas, CA 913021518224328
  5. Roman Garcia, MD, PHDCalabasas, CA 913021033505169
  6. Tarik Hadzic, M.D., PH.D.Calabasas, CA 913021033559679
  7. John Hollenberg, MDCanoga Park, CA 913041083799225
  8. Anthony Jang, MDCalabasas, CA 913021114507787

Common questions

What is Alan Ruttenberg, MD INC's NPI number?

Alan Ruttenberg, MD INC's National Provider Identifier (NPI) is 1073680021, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan Ruttenberg, MD INC located?

The NPPES record lists a practice address at 22048 Sherman Way, Canoga Park, CA, 91303. Phone: (818) 888-8428. Providers update this record themselves, so call before visiting.

How can I verify Alan Ruttenberg, MD INC's license?

NPPES lists California license number C27473, 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 Alan Ruttenberg, MD INC prescribe under Medicare Part D?

In 2024, Alan Ruttenberg, MD INC had 295 Medicare Part D claims for 155 beneficiaries; 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.