Registry data as of Aug 27, 2026

Stephen Brown, M.D.

Sleep Medicine (Internal Medicine) Physician · Long Beach, CA

Stephen Brown, M.D. is a sleep medicine (internal medicine) physician with a practice address in Long Beach, California, and NPI 1588698161, issued on Jul 10, 2006. Check the license (California G28692, 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
1588698161
Name
Stephen Brown
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
G28692 CA
Self-reported in NPPES; status is on the state search
Practice location
4300 Long Beach Blvd Ste 405, Long Beach, CA 90807
Phone
(562) 422-1110
Enumerated
Jul 10, 2006
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 Stephen Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G28692
    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 →

Industry payments in 2024: $24.48

1 payment, mostly food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc.. The 567 providers of this specialty with any payment received $4,175.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Brown$24.48
  2. Specialty average$4,175.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sleep Medicine (Internal Medicine) Physician providers in California

There are 102 sleep medicine (internal medicine) physician records in California.

Other sleep medicine (internal medicine) physician records in California

  1. Jennifer Acostamadiedo, MDSanta Cruz, CA1417479288
  2. Fatima Ajaz, M.DOrange, CA1477731461
  3. Kathreen Al RamoFresno, CA1396208443
  4. Jacqueline Angles, D.O.Madera, CA1285681494
  5. Amir Arfaei, MDVentura, CA1841270584
  6. Katyayini Aribindi, M.D.Sacramento, CA1902338122
  7. Hovig Artinian, M.D.Clovis, CA1093014284
  8. Aditya Bhargava, M.D.Dublin, CA1114938032
  9. Smit Chauhan, MD MPHSan Diego, CA1700083391
  10. Yishui Chen, MDNovato, CA1619546884

Common questions

What is Stephen Brown, M.D.'s NPI number?

Stephen Brown, M.D.'s National Provider Identifier (NPI) is 1588698161, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Brown, M.D. located?

The NPPES record lists a practice address at 4300 Long Beach Blvd Ste 405, Long Beach, CA, 90807. Phone: (562) 422-1110. Providers update this record themselves, so call before visiting.

How can I verify Stephen Brown, M.D.'s license?

NPPES lists California license number G28692, 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.

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.