Registry data as of Aug 27, 2026

Roger Amerian, MD

Pulmonary Disease Physician · West Hills, CA

Roger Amerian, MD is a pulmonary disease physician with a practice address in West Hills, California, and NPI 1033105614, issued on Sep 20, 2005. Check the license (California G33671, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1033105614
Name
Roger Amerian
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
G33671 CA
Self-reported in NPPES; status is on the state search
Practice location
7320 Woodlake Ave, West Hills, CA 91307
Phone
(818) 716-6446
Enumerated
Sep 20, 2005
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 7320 Woodlake Ave

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

  1. Calin Arimie, MDGastroenterology Physician1831277847
  2. Shahab Attarchi, MDInternal Medicine Physician1902982408
  3. Mariam Bakhtary, MDInfectious Disease Physician1134492895
  4. Frank Candela, M.D., F.A.C.S.Surgery Physician1699700492
  5. Ron Chitayat, MDGastroenterology Physician1912008657
  6. Renee Cotter, MD A PROFESSIONAL COSpecialist1861569428

Verify Roger Amerian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G33671
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

99% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

13 Medicare Part D claims, against an average of 1,498 among the 6,594 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Roger Amerian13
  2. Specialty average1,498

Most prescribed

  1. Furosemide13 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.

Pulmonary Disease Physician providers in California

There are 905 pulmonary disease physician records in California.

Other pulmonary disease physician records in California

  1. Manoochehr Abadian Sharifabad, M.D.Fountain Valley, CA1164655817
  2. Mohamad Abdelfattah, MDFullerton, CA1134539711
  3. Zainab Abdulsada, MBCHBSacramento, CA1144858333
  4. Ayham Aboeed, M.D.Bakersfield, CA1093969750
  5. Babak Abrishami, D.O.Los Angeles, CA1972553576
  6. Thomas Addison, MDSan Francisco, CA1154494599
  7. Leonard Adelson, MDSherman Oaks, CA1235152455
  8. Yossef Aelony, MDHarbor City, CA1619178597
  9. Kamyar Afshar, D.O.San Diego, CA1407050669
  10. Muhammad Afzal, M.D.Sacramento, CA1689600553

Common questions

What is Roger Amerian, MD's NPI number?

Roger Amerian, MD's National Provider Identifier (NPI) is 1033105614, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Roger Amerian, MD located?

The NPPES record lists a practice address at 7320 Woodlake Ave, West Hills, CA, 91307. Phone: (818) 716-6446. Providers update this record themselves, so call before visiting.

How can I verify Roger Amerian, MD's license?

NPPES lists California license number G33671, 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 Roger Amerian, MD prescribe under Medicare Part D?

In 2024, Roger Amerian, MD had 13 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,498. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.