Registry data as of Aug 27, 2026

Ralph Brown, DDS

Dentist · Carlsbad, CA

Ralph Brown, DDS is a dentist with a practice address in Carlsbad, California, and NPI 1821333477, issued on Dec 9, 2012. Check the license (California 27733, as entered in NPPES) with the California board that licenses this profession; 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
1821333477
Name
Ralph Brown
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
27733 CA
Self-reported in NPPES; status is on the state search
Practice location
5814 Van Allen Way Ste 220, Carlsbad, CA 92008
Phone
(760) 918-9000
Enumerated
Dec 9, 2012
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 5814 Van Allen Way Ste 220

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

  1. Arina AdourianGeneral Practice Dentistry1851915409
  2. Edward Adourian, DDSGeneral Practice Dentistry1326229907

Verify Ralph Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 27733
    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
Find 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 →

24% fewer Medicare Part D claims than the average dentist in 2024

68 Medicare Part D claims for 49 beneficiaries, against an average of 90 among the 51,502 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ralph Brown68
  2. Specialty average90

Most prescribed

  1. Amoxicillin50 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.

31 dentist records list a Carlsbad practice address

They are 31 of the 3,411 NPPES records with a Carlsbad practice address, and 14,906 dentist records in California.

Other dentist records in California

  1. Chantelle AabediLos Angeles, CA1740895150
  2. Sohrab Aalam, DMDIrvine, CA1497431100
  3. Rick Aaronian, DDSFresno, CA1245452184
  4. Michael Aaronson, DDSSan Rafael, CA1992029722
  5. Autumn Abadesco, DDSLa Puente, CA1952857237
  6. Behzad Abadi, DMDDowney, CA1588879100
  7. Esfandiar Abadi, DDSSacramento, CA1992926448
  8. Bahareh AbadianSan Jose, CA1689169005
  9. Reza Abaei Tafreshi, DDSIrvine, CA1134656804
  10. Michael AbaianSherman Oaks, CA1023263167

Common questions

What is Ralph Brown, DDS's NPI number?

Ralph Brown, DDS's National Provider Identifier (NPI) is 1821333477, issued on Dec 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Brown, DDS located?

The NPPES record lists a practice address at 5814 Van Allen Way Ste 220, Carlsbad, CA, 92008. Phone: (760) 918-9000. Providers update this record themselves, so call before visiting.

How can I verify Ralph Brown, DDS's license?

NPPES lists California license number 27733, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Ralph Brown, DDS prescribe under Medicare Part D?

In 2024, Ralph Brown, DDS had 68 Medicare Part D claims for 49 beneficiaries; the average among dentist prescribers was 90. 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.