Byron M. Sotomayor, MD
Diagnostic Radiology Physician · Arcadia, CA
Byron M. Sotomayor, MD is a diagnostic radiology physician with a practice address in Arcadia, California, and NPI 1497780456, issued on Jul 11, 2006. Check the license (California A65524, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Byron M. Sotomayor
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A65524 CA
Self-reported in NPPES; status is on the state search - Practice location
- 638 W Duarte RD, Arcadia, CA 91007
- Phone
- (626) 446-0080
- Enumerated
- Jul 11, 2006
- Record last updated
- Jul 3, 2025
- Fax
- (626) 447-4432
- Entity
- Type 1 · individual
Also registered at 638 W Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Byron M. Sotomayor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
16 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
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.
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
Other diagnostic radiology physician records in California
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Common questions
What is Byron M. Sotomayor, MD's NPI number?
Byron M. Sotomayor, MD's National Provider Identifier (NPI) is 1497780456, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Byron M. Sotomayor, MD located?
The NPPES record lists a practice address at 638 W Duarte RD, Arcadia, CA, 91007. Phone: (626) 446-0080. Providers update this record themselves, so call before visiting.
How can I verify Byron M. Sotomayor, MD's license?
NPPES lists California license number A65524, 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 M. Sotomayor, MD prescribe under Medicare Part D?
In 2024, Byron M. Sotomayor, MD had 16 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.