NPPES file of Aug 9, 2026

Byron Jeffrey Buckley, M.D.

Emergency Medicine Physician · San Diego, CA

Byron Jeffrey Buckley, M.D. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1902995400, issued on Oct 12, 2006. Check the license (California A94237, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902995400
Name
Byron Jeffrey Buckley
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A94237 CA
Self-reported in NPPES; status is on the state search
Practice location
7901 Frost St, San Diego, CA 92123
Phone
(858) 939-5611
Enumerated
Oct 12, 2006
Record last updated
May 24, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070913000928); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 7901 Frost St

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

  1. Aileen Afshar, MDInternal Medicine Physician1134689946
  2. Saad Alkhider, MDInternal Medicine Physician1447712062
  3. Mustafa Alwash, M.DHospitalist Physician1679936439
  4. Alexandra Anjier, MDEmergency Medicine Physician1467087510
  5. Anna Astashchanka, MDPulmonary Disease Physician1821594359
  6. Amir Bahreman, M.D.Internal Medicine Physician1124249388

Verify Byron Jeffrey Buckley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94237    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

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64% more Medicare Part D claims than the average emergency medicine physician in 2024

371 Medicare Part D claims for 274 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 70 claims were for opioids.

  1. Byron Buckley371
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen54 claims
  2. Doxycycline Hyclate38 claims
  3. Amoxicillin-Clavulanate Potass26 claims
  4. Cefuroxime25 claims
  5. Ondansetron Odt23 claims
  6. Cephalexin21 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.

Industry payments in 2024: $140.86

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Byron Buckley$140.86
  2. Specialty average$953.79

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

Bills Medicare through one group practice

  1. San Diego Emergency Physicians IncSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Byron Jeffrey Buckley among 7,751 emergency medicine physician records in California

Byron Jeffrey Buckley, M.D. 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
  • Graduated2004 · median 2011 among the 4,560 with a school on file
  • Record last updated2011 · 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).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

All 7,751 in California → Every provider in San Diego → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Bellezzo, M.D.San Diego, CA 921231760450340
  2. William Carter, M.D.San Diego, CA 921231457329062
  3. Delbert Clark, D.O.San Diego, CA 921231194799593
  4. Heather Conrad, M.D.San Diego, CA 921231205813409
  5. Andrew Desjardins, M.D.San Diego, CA 921231396713103
  6. William Fornaciari, M.D.San Diego, CA 921231083682546
  7. Lolie Fromm, M.D.San Diego, CA 921231457329096
  8. Arthur Gruen, M.D.San Diego, CA 921231376511303

Common questions

What is Byron Jeffrey Buckley, M.D.'s NPI number?

Byron Jeffrey Buckley, M.D.'s National Provider Identifier (NPI) is 1902995400, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Byron Jeffrey Buckley, M.D. located?

The NPPES record lists a practice address at 7901 Frost St, San Diego, CA, 92123. Phone: (858) 939-5611. Providers update this record themselves, so call before visiting.

How can I verify Byron Jeffrey Buckley, M.D.'s license?

NPPES lists California license number A94237, 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 Jeffrey Buckley, M.D. prescribe under Medicare Part D?

In 2024, Byron Jeffrey Buckley, M.D. had 371 Medicare Part D claims for 274 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.