Bruce A. Hayton, M.D.
Hematology & Oncology Physician · Wildomar, CA
Bruce A. Hayton, M.D. is a hematology & oncology physician with a practice address in Wildomar, California, and NPI 1710030192, issued on Jan 19, 2007. Check the license (California G55511, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bruce A. Hayton
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G55511 CA
Self-reported in NPPES; status is on the state search - Practice location
- 36450 Inland Valley Dr, Wildomar, CA 92595
- Phone
- (951) 698-7514
- Enumerated
- Jan 19, 2007
- Record last updated
- Jun 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (951) 698-8740
- Medicaid ID
- 00G555110 CA
- Medicare enrollment
- Enrolled (PECOS I20080606000484); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 36450 Inland Valley Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bassam Azzam, BS PHARMACYPharmacist1114466653
- Anh Brewer, D.O.Family Medicine Physician1487981569
- Blanca Casas, PAPhysician Assistant1649328568
- Kevin ChandrasenaInternal Medicine Physician1144614447
- David ChenPharmacist1912445818
- Sarah Devine-Cooter, FNPFamily Nurse Practitioner1023406675
Verify Bruce A. Hayton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G55511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average hematology & oncology physician in 2024
992 Medicare Part D claims for 157 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 130 claims were for opioids.
Most prescribed
- Ondansetron Hcl63 claims
- Anastrozole48 claims
- Hydrocodone-Acetaminophen46 claims
- Xtandi42 claims
- Prednisone40 claims
- Abiraterone Acetate36 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 MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $131.15
4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bruce A. Hayton among 1,583 hematology & oncology physician records in California
Bruce A. Hayton, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1984 · median 2003 among the 1,124 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Wildomar → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Waheed Murad, M.D, MRCPTemecula, CA 925911205098498
- Samer AlkassisIrvine, CA 926041124681515
- Zorawar Noor, M.D., M.H.S.Irvine, CA 926041376802843
- David Xu, MDIrvine, CA 926041568826519
- Hyun Don Yun, MDIrvine, CA 926041508090473
- Rafi Ahmed, MDIrvine, CA 926181205093028
- Tiffanie Do, M.D.Irvine, CA 926181194251710
- Nader Kashani, MDIrvine, CA 926181285793893
Common questions
What is Bruce A. Hayton, M.D.'s NPI number?
Bruce A. Hayton, M.D.'s National Provider Identifier (NPI) is 1710030192, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Bruce A. Hayton, M.D. located?
The NPPES record lists a practice address at 36450 Inland Valley Dr, Wildomar, CA, 92595. Phone: (951) 698-7514. Providers update this record themselves, so call before visiting.
How can I verify Bruce A. Hayton, M.D.'s license?
NPPES lists California license number G55511, 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 Bruce A. Hayton, M.D. prescribe under Medicare Part D?
In 2024, Bruce A. Hayton, M.D. had 992 Medicare Part D claims for 157 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Bruce A. Hayton, M.D.'s MIPS final 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), 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.