Dr. Byron J J. Allen, MD

  • Orange, CA
  • Cardiologist
NPI1134202658PAC ID5193860138
Medicare services, 2024
427
Medicare patients, 2024
214
Part D claims, 2024
2,724
Publications
30
MIPS score, 2024
100
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
Get professional email
Personal email
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Mobile number
Get mobile number
Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

See all 4 affiliations

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Dr. Byron J J. Allen is a cardiologist in Orange, California

Dr. Allen practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Allen's NPI, 1134202658, was assigned on October 21, 2006. Dr. Allen graduated from David Geffen School of Medicine at UCLA in 1980. Dr. Allen holds California license 000000G44917.

NPI and contact details
Medicare PAC ID
5193860138
NPI enumeration date
October 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 456-7890
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Byron J J. Allen practices at UCI Health - Orange in Orange, California

Dr. Allen's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Dr. Byron J J. Allen is affiliated with 3 sites of care and 1 medical group

Dr. Allen's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Allen is also affiliated with Hoag Hospital Newport Beach. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Allen to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Allen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Byron J J. Allen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Byron J J. Allen is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Allen's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Allen is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Allen is licensed in California.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense 000000G44917 · 1981 to 2027 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists acid reflux, aneurysm, atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Allen treats.

Cardiologists near Dr. Allen

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Byron J J. Allen billed Medicare for 427 services in 2024

CMS data shows 427 Medicare services from Dr. Allen across 4 procedure codes in 2024, for 214 Medicare patients. Medicare paid $28,404 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024427
Medicare patients214
Paid by Medicare$28,404
Procedure codes4

Dr. Allen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3832024: 3489%
Tests and treatments
2023: 1362024: 7942%

Dr. Allen compared with the California median for cardiologists, 2024

  • Dr. Allen
  • California median
Medicare services
427vs 1,56073% below
Medicare patients
214vs 64467% below
Part D claims
2,444vs 1,41073% above

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Allen's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Allen

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Byron J J. Allen treated 214 Medicare patients in 2024, average age 79

CMS counts 214 Medicare patients who saw Dr. Allen in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Allen's median patient age at 78, with 42% women.

Medicare patients, 2024214
Average age79
Average risk score1.48
Also on Medicaid17%

Dr. Allen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Allen's Medicare patients by sex, 2024

  • Women8339%
  • Men13161%

Chronic conditions among Dr. Allen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Ischemic heart disease50%
  5. Atrial fibrillation40%
  6. Diabetes28%
  7. Heart failure28%
  8. Chronic kidney disease26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Allen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women42%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Byron J J. Allen wrote 2,724 Medicare Part D claims in 2024

In 2024, Dr. Allen wrote 2,724 Medicare Part D claims for 264 patients. 86% of them were for generic drugs. CMS names the drug for 2,444 of them, across 39 drugs with 11 or more claims each, at $513,670 in total drug cost. In 2023, CMS named 2,531 claims across 38 drugs.

Part D claims, 20242,724
Drugs named by CMS39
Total drug cost$513,670
Part D patients264

Dr. Allen's Part D claims by kind of drug, 2024

  • Generic2,343 claims86%
  • Brand-name381 claims14%

Dr. Allen's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Allen's Part D claims, 2024

  • Antibiotics1%18 of 2,724 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,5312024: 2,4443%

Drugs named by CMS: 39 in 2024, 38 in 2023.

See all prescribing by Dr. Allen

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Byron J J. Allen scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Allen for performance year 2024, reported through an alternative payment model (APM). Dr. Allen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Allen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Allen's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83.7of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Byron J J. Allen has 30 publications on record

Dmand AI links 30 papers to Dr. Allen. The most frequent topics are Electrocardiography, Tachycardia and Atrial Fibrillation. Dr. Allen has published most often in Am Heart J. Dr. Allen's most frequent co-authors are Thomas Patrick Casey, MD, Brian Mark Chesnie, MD and Mark L. Ginkel, MD.

Papers30

Topics Dr. Allen writes about most

  • Electrocardiography
  • Tachycardia
  • Atrial Fibrillation
  • Arrhythmias, Cardiac
  • Ventricular Fibrillation
  • Cardiac Pacing, Artificial
  • Heart Rate
  • Adrenergic beta-Antagonists

Dr. Allen's most frequent co-authors

Recent publications by Dr. Allen

See all 30 publications and co-authors

See who Dr. Allen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Allen works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Byron J J. Allen received $311 in industry payments from 2017 to 2025

CMS Open Payments shows 8 general payments to Dr. Allen from 2 drug and device companies from 2017 to 2025. Education make up the largest share, 52% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $198.

General payments to Dr. Allen by program year, 2017 to 2025

General payments to Dr. Allen by kind, 2017 to 2025

$311in total
  • Education$16052%
  • Food and beverage$15048%

Companies that paid Dr. Allen the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Allen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Byron J J. Allen has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Allen, most recently Top Doctors:LA Area in 2013.

Awards and honors for Dr. Allen

  1. 2013
    • Top Doctors:LA Area
    • Top Doctors:San Diego Area
  2. 2012
    • Top Doctors:Southern California
  3. Undated
    • Checkbook Top Doc
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Byron J J. Allen graduated from David Geffen School of Medicine at UCLA

Dr. Allen graduated from David Geffen School of Medicine at UCLA in 1980.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Byron J J. Allen accepts plans from 14 insurance carriers

Dr. Allen is in network with 14 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aetna
  • +6 more carriersWith a free account

Plan types Dr. Allen accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. POS5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Byron J J. Allen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Byron J J. Allen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Byron J J. Allen's NPI number?

Dr. Byron J J. Allen's NPI number is 1134202658. It was assigned on October 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Byron J J. Allen?

Dr. Byron J J. Allen is a cardiologist in Orange, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Byron J J. Allen practice?

Dr. Allen practices at 101 City Drive South, Orange, CA 92868. Dr. Allen's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Allen to 1 group practice or clinic.

What is Dr. Byron J J. Allen's office phone number?

The practice phone on file for Dr. Allen is (714) 456-7890.

What is Dr. Byron J J. Allen's medical license number?

Dr. Allen holds California license 000000G44917.

Which hospitals is Dr. Byron J J. Allen affiliated with?

Dr. Allen practices at UCI Health - Orange in Orange, California. Dr. Allen is also affiliated with Hoag Hospital Newport Beach.

What medical group is Dr. Byron J J. Allen part of?

Dr. Allen is linked to UCI Health Physicians.

Does Dr. Byron J J. Allen accept Medicare?

Yes. CMS data shows Dr. Allen billed Medicare for 427 services in 2024, and Dr. Allen accepts Medicare assignment.

Does Dr. Byron J J. Allen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Allen as offering telehealth services.

What is Dr. Byron J J. Allen's MIPS score?

Dr. Allen's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Byron J J. Allen see?

CMS counts 214 Medicare patients who saw Dr. Allen in 2024, with an average age of 79.

Is Dr. Byron J J. Allen board certified?

Yes. Dr. Allen is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Byron J J. Allen bill to Medicare?

In 2024, Dr. Allen's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93294) and heart test or procedure (93248).

Where did Dr. Byron J J. Allen go to medical school?

Dr. Allen graduated from David Geffen School of Medicine at UCLA in 1980.

What drugs does Dr. Byron J J. Allen prescribe most?

In 2024 Medicare Part D data, Dr. Allen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Eliquis.

Has Dr. Byron J J. Allen received payments from drug or device companies?

CMS Open Payments shows $311 in general payments to Dr. Allen from 2 companies from 2017 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Dr. Byron J J. Allen been practicing?

Dr. Allen graduated from medical school in 1980, 46 years ago.

Does Dr. Byron J J. Allen do research?

Dmand AI links 30 publications to Dr. Allen.

Who does Dr. Byron J J. Allen publish with?

Dr. Allen's most frequent co-authors are Thomas Patrick Casey, MD (2 shared papers), Brian Mark Chesnie, MD (2 shared papers) and Mark L. Ginkel, MD (2 shared papers).

What insurance does Dr. Byron J J. Allen accept?

Dr. Allen is in network with 14 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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