Byron F. Carcelen, MD
Emergency Medicine Physician · Los Banos, CA
Byron F. 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.
- Name
- Byron F. 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
- Record last updated
- Dec 24, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 00G795160 CA
- Medicare enrollment
- Enrolled (PECOS I20040117000196); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 520 W I St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leland EstrellaFamily Nurse Practitioner1780130039
- Michael Friedlander, M.D.Internal Medicine Physician1376550913
- Davein Humphrey, RN, MSN, APN-BCFamily Nurse Practitioner1922387307
- Clare Johnson, M.D.Emergency Medicine Physician1134445216
- Rohit Kadambi, PA-CPhysician Assistant1821498817
- Pratap Kurra, MDAnesthesiology Physician1265486856
Verify Byron F. Carcelen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% 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 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen24 claims
- Cephalexin13 claims
- 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 affiliation
- Kern Valley Healthcare DistrictLake Isabella, CA · Critical Access Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Byron F. Carcelen among 7,751 emergency medicine physician records in California
Byron F. Carcelen, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1983 · median 2011 among the 4,560 with a school on file
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 emergency medicine physician records list a practice address in Los Banos
They are 6 of the 441 NPPES records with a practice address in Los Banos, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Banos → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Paul Iwai, MDLos Banos, CA 936351578671145
- Clare Johnson, M.D.Los Banos, CA 936351134445216
- Phillip Silverstein, MDLos Banos, CA 936351699729996
- Robert Thrailkill, MDLos Banos, CA 936351437267135
- Thirukkanankudi Viswanathan, MDLos Banos, CA 936351700994373
- Jonathan Cooper-Sood, M.D.Madera, CA 936361124310529
- Soledad Raroque, MDMadera, CA 936361336289230
- Aram Shemmassian, M.D.Madera, CA 936361578889069
Common questions
What is Byron F. Carcelen, MD's NPI number?
Byron F. 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 F. 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 F. 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 F. Carcelen, MD prescribe under Medicare Part D?
In 2024, Byron F. Carcelen, MD had 115 Medicare Part D claims for 70 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.