Registry data as of Aug 27, 2026

Joel Brothers, MD

Hematology & Oncology Physician · Loma Linda, CA

Joel Brothers, MD is a hematology & oncology physician with a practice address in Loma Linda, California, and NPI 1427311034, issued on Jun 19, 2012. Check the license (California A141503, 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
1427311034
Name
Joel Brothers
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A141503 CA
Self-reported in NPPES; status is on the state search
Practice location
11175 Campus St, Loma Linda, CA 92350
Phone
(909) 558-4910
Enumerated
Jun 19, 2012
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 11175 Campus St

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

  1. Elisa ArnoldPhysician Assistant1215618053
  2. Rita Artounian MilagerdiPhysician Assistant1093497778
  3. Anamika Banerji, MDPediatrics Physician1770757528
  4. Jadelyn BautistaStudent in an Organized Health Care Education/Training Program1457001356
  5. Brandyn BelotePhysician Assistant1477233765
  6. Linninea BoomNurse Practitioner1205281540

Verify Joel Brothers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A141503
    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 →

6% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

834 Medicare Part D claims for 136 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims. 34 claims were for opioids.

  1. Joel Brothers834
  2. Specialty average885

Most prescribed

  1. Ondansetron Hcl65 claims
  2. Prednisone42 claims
  3. Imbruvica38 claims
  4. Prochlorperazine Maleate37 claims
  5. Abiraterone Acetate36 claims
  6. Hydroxyurea36 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.

The practice group's Medicare quality score for 2023: 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $605.83

4 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 6,678 providers of this specialty with any payment received $7,643.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joel Brothers$605.83
  2. Specialty average$7,643.36

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

One hospital or facility affiliation

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

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.

Hematology & Oncology Physician providers in California

There are 1,306 hematology & oncology physician records in California.

Other hematology & oncology physician records in California

  1. Mark Abate, M.D.Santa Barbara, CA1588778674
  2. Iman Abdalla, MDLos Angeles, CA1730248311
  3. Nihal Abdulla, MDLos Alamitos, CA1750585345
  4. Oyewale Abidoye, M.D.La Jolla, CA1790841815
  5. Mohamad Adada, M.D., PHDRoseville, CA1528590734
  6. Jesse Adams, MDSacramento, CA1851479554
  7. Thompson Adams, MDSanta Monica, CA1407880891
  8. Camille Adeimy, MDUpland, CA1477785160
  9. David Adkins, MDModesto, CA1104883644
  10. Kent Adler, M.D.San Mateo, CA1013074632

Common questions

What is Joel Brothers, MD's NPI number?

Joel Brothers, MD's National Provider Identifier (NPI) is 1427311034, issued on Jun 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Joel Brothers, MD located?

The NPPES record lists a practice address at 11175 Campus St, Loma Linda, CA, 92350. Phone: (909) 558-4910. Providers update this record themselves, so call before visiting.

How can I verify Joel Brothers, MD's license?

NPPES lists California license number A141503, 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 Joel Brothers, MD prescribe under Medicare Part D?

In 2024, Joel Brothers, MD had 834 Medicare Part D claims for 136 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.

What is Joel Brothers, MD's Medicare quality score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.