Justin H. Hayase, M.D.
Clinical Cardiac Electrophysiology Physician · Los Angeles, CA
Justin H. Hayase, M.D. is a clinical cardiac electrophysiology physician with a practice address in Los Angeles, California, and NPI 1275896219, issued on Jun 22, 2012. Check the license (California A127730, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin H. Hayase
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- A127730 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Ucla Medical Plz Ste 690, Los Angeles, CA 90024
- Phone
- (310) 206-2235
- Enumerated
- Jun 22, 2012
- Record last updated
- Oct 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20151103001928); may accept Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 304 in California → Look up another NPI →
Also registered at 100 Ucla Medical Plz Ste 690
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Malcolm Bersohn, MD, PHDCardiovascular Disease Physician1275558348
- Kristina Bostrom, MDCardiovascular Disease Physician1316972235
- Noel Boyle, M.D.Clinical Cardiac Electrophysiology Physician1174574917
- Jason Bradfield, M.D.Clinical Cardiac Electrophysiology Physician1760698237
- Maria Conrica Dawis, NPAcute Care Nurse Practitioner1881301190
- Jean Gima, NPNurse Practitioner1760400972
Verify Justin H. Hayase in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A127730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
118 Medicare Part D claims for 38 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Metoprolol Succinate29 claims
- Eliquis14 claims
- Atorvastatin Calcium11 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): 86.1 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: $5,010.92
40 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 3,167 providers of this specialty with any payment received $10,651.37 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.
Justin H. Hayase among 304 clinical cardiac electrophysiology physician records in California
Justin H. Hayase, M.D. is one of 304 clinical cardiac electrophysiology physician records with a practice address in California. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 79% of them.
- NPI issued2012 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2012 · median 2002 among the 261 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in California
There are 304 clinical cardiac electrophysiology physician records in California.
All 304 in California → Every provider in Los Angeles → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Olujimi Ajijola, MD PHDLos Angeles, CA 900241467589812
- Noel Boyle, M.D.Los Angeles, CA 900241174574917
- Jason Bradfield, M.D.Los Angeles, CA 900241760698237
- Peter Hanna, M.D.Los Angeles, CA 900241588906929
- David Park, MDLos Angeles, CA 900241629232749
- Marmar Vaseghi, M.D.Los Angeles, CA 900241447493432
- Isaac Wiener, MDLos Angeles, CA 900241427041078
- Omar Yasin, MD, MSLos Angeles, CA 900241245610625
Common questions
What is Justin H. Hayase, M.D.'s NPI number?
Justin H. Hayase, M.D.'s National Provider Identifier (NPI) is 1275896219, issued on Jun 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Justin H. Hayase, M.D. located?
The NPPES record lists a practice address at 100 Ucla Medical Plz Ste 690, Los Angeles, CA, 90024. Phone: (310) 206-2235. Providers update this record themselves, so call before visiting.
How can I verify Justin H. Hayase, M.D.'s license?
NPPES lists California license number A127730, 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 Justin H. Hayase, M.D. prescribe under Medicare Part D?
In 2024, Justin H. Hayase, M.D. had 118 Medicare Part D claims for 38 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Justin H. Hayase, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.