Registry data as of Aug 27, 2026

Byron Carcelen, MD

Emergency Medicine Physician · Los Banos, CA

Byron Carcelen, MD is an emergency medicine physician with a practice address in Los Banos, California, and NPI 1477509917, issued on May 26, 2006. Check the license (California G79516, 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
1477509917
Name
Byron Carcelen
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G79516 CA
Self-reported in NPPES; status is on the state search
Practice location
520 W I St, Los Banos, CA 93635
Phone
(209) 826-0591
Enumerated
May 26, 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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Also registered at 520 W I St

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

  1. Leland EstrellaFamily Nurse Practitioner1780130039
  2. Michael Friedlander, M.D.Internal Medicine Physician1376550913
  3. Davein Humphrey, RN, MSN, APN-BCFamily Nurse Practitioner1922387307
  4. Clare Johnson, M.D.Student in an Organized Health Care Education/Training Program1134445216
  5. Rohit Kadambi, PA-CPhysician Assistant1821498817
  6. Pratap Kurra, MDAnesthesiology Physician1265486856

Verify Byron Carcelen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79516
    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 →

68% fewer Medicare Part D claims than the average emergency medicine physician in 2024

115 Medicare Part D claims for 70 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Byron Carcelen115
  2. Specialty average355

Most prescribed

  1. Hydrocodone-Acetaminophen24 claims
  2. Cephalexin13 claims
  3. Azithromycin11 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.

One hospital or facility affiliation

  1. Kern Valley Healthcare DistrictLake Isabella, CA · Critical Access Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

5 emergency medicine physician records list a Los Banos practice address

They are 5 of the 441 NPPES records with a Los Banos practice address, and 7,133 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Byron Carcelen, MD's NPI number?

Byron Carcelen, MD's National Provider Identifier (NPI) is 1477509917, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Byron Carcelen, MD located?

The NPPES record lists a practice address at 520 W I St, Los Banos, CA, 93635. Phone: (209) 826-0591. Providers update this record themselves, so call before visiting.

How can I verify Byron Carcelen, MD's license?

NPPES lists California license number G79516, 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 Byron Carcelen, MD prescribe under Medicare Part D?

In 2024, Byron Carcelen, MD had 115 Medicare Part D claims for 70 beneficiaries; the average among emergency medicine physician prescribers was 355. 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.