NPPES file of Aug 9, 2026

Robert Steven Carroll, MD

Psychiatry Physician · Los Angeles, CA

Robert Steven Carroll, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1639388077, issued on May 22, 2007. Check the license (California CA LIC G032317, 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
1639388077
Name
Robert Steven Carroll
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
CA LIC G032317 CA
Self-reported in NPPES; status is on the state search
Practice location
1314 Westwood BL, Los Angeles, CA 90024
Phone
(310) 475-2990
Enumerated
May 22, 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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Verify Robert Steven Carroll in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license CA LIC G032317
    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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96% fewer Medicare Part D claims than the average psychiatry physician in 2024

37 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 32% of claims.

  1. Robert Carroll37
  2. Specialty average1,000

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.

Robert Steven Carroll among 8,673 psychiatry physician records in California

Robert Steven Carroll, 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).

987 psychiatry physician records list a practice address in Los Angeles

They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. George Allen, MDLos Angeles, CA 900241154452308
  2. John Altman, MDLos Angeles, CA 900241053480327
  3. Robert Ashley, MDLos Angeles, CA 900241255385886
  4. Henry Bender, M.D.Los Angeles, CA 900241154450336
  5. Franklin Dines, MDLos Angeles, CA 900241881763142
  6. Robert Gerner, M.D.Los Angeles, CA 900241083667455
  7. Thomas Kappeler, MDLos Angeles, CA 900241912070749
  8. Matthew Koury, M.D.Los Angeles, CA 900241376633735

Common questions

What is Robert Steven Carroll, MD's NPI number?

Robert Steven Carroll, MD's National Provider Identifier (NPI) is 1639388077, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Steven Carroll, MD located?

The NPPES record lists a practice address at 1314 Westwood BL, Los Angeles, CA, 90024. Phone: (310) 475-2990. Providers update this record themselves, so call before visiting.

How can I verify Robert Steven Carroll, MD's license?

NPPES lists California license number CA LIC G032317, 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 Robert Steven Carroll, MD prescribe under Medicare Part D?

In 2024, Robert Steven Carroll, MD had 37 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.