Dr. James Gerard Dwyer, MD

  • Phoenix, AZ
  • Cardiologist
NPI1356458699
Medicare services, 2022
491
Part D claims, 2023
24
Publications
3
Industry payments
$1,231
Affiliated sites
2
Practice address
1848 E Thomas Rd Suite 100 Suite 100, Phoenix, AZ 85016-8103
Practice phone
Call (602) 456-2342
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Az Heart Rhythm Center - Primary Care - Phoenix

Multi-specialty group site · Phoenix, Arizona

See all 4 affiliations

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Dr. James Gerard Dwyer is a cardiologist in Phoenix, Arizona

Dr. Dwyer practices at Az Heart Rhythm Center - Primary Care - Phoenix in Phoenix, Arizona.

Dr. Dwyer's NPI, 1356458699, was assigned on August 24, 2006. Dr. Dwyer holds Arizona license 28611.

NPI and contact details
NPI enumeration date
August 24, 2006
NPI status
Active
Practice phone
(602) 456-2342
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. James Gerard Dwyer practices at Az Heart Rhythm Center - Primary Care - Phoenix in Phoenix, Arizona

Dr. Dwyer's primary practice is Az Heart Rhythm Center - Primary Care - Phoenix, at 1848 E Thomas Rd Suite 100 Suite 100, Phoenix, AZ 85016-8103. The practice phone is (602) 456-2342.

  • Az Heart Rhythm Center - Primary Care - Phoenix
    1848 E Thomas Rd Suite 100 Suite 100, Phoenix, AZ 85016-8103Phone(602) 456-2342

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James Gerard Dwyer is affiliated with 2 sites of care and 2 medical groups

Dr. Dwyer's primary practice is Az Heart Rhythm Center - Primary Care - Phoenix in Phoenix, Arizona. The medical group on file is Arizona Heart Rhythm Center. Dmand AI also links Dr. Dwyer to 1 more physician office and 1 medical group, each named with a free account.

Az Heart Rhythm Center - Primary Care - PhoenixMulti-specialty group site · Phoenix, ArizonaPrimary
Arizona Heart Rhythm CenterPrimary care group, Phoenix, AZ1 physician officeName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. Dwyer

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. James Gerard Dwyer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dwyer practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Az Heart Rhythm Center - Primary Care - PhoenixAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Gerard Dwyer is one of 423 cardiologists in Arizona

Cardiovascular disease is Dr. Dwyer's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Dwyer is licensed in Arizona.

Specialties and state licenses

  • Cardiovascular disease, ArizonaPrimaryLicense 28611 · taxonomy 207RC0000X

Cardiologists near Dr. Dwyer

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. James Gerard Dwyer billed Medicare for 491 services in 2022

CMS data shows 491 Medicare services from Dr. Dwyer across 5 procedure codes in 2022. Medicare paid $26,393 for them. Every service was in an office.

Medicare services, 2022491
Paid by Medicare$26,393
Procedure codes5

Dr. Dwyer's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 5392022: 31841%
Tests and treatments
2021: 1332022: 17330%

Dr. Dwyer compared with the Arizona median for cardiologists, 2022

  • Dr. Dwyer
  • Arizona median
Medicare services
491vs 2,35779% below
Part D claims
24vs 1,36298% below

Medians across 403 cardiologists in Arizona with Dmand AI profiles that report each measure.

Dr. Dwyer's most billed Medicare procedure codes, 2022

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

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

Dr. James Gerard Dwyer's patients have a median age of 77

Across all payers, Dmand AI patient panel data puts Dr. Dwyer's median patient age at 77, with 48% women.

Dr. Dwyer's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women48%
  • Men52%

Source: Dmand AI Patient Panel Data

Dr. James Gerard Dwyer wrote 24 Medicare Part D claims in 2023

In 2023, Dr. Dwyer wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $375 in total drug cost. In 2022, CMS named 899 claims across 20 drugs.

Part D claims, 202324
Drugs named by CMS2
Total drug cost$375

Dr. Dwyer's most prescribed drugs by claims, 2023

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

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 8992023: 2497%

Drugs named by CMS: 2 in 2023, 20 in 2022.

See all prescribing by Dr. Dwyer

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

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Dr. James Gerard Dwyer has 3 publications on record

Dmand AI links 3 papers to Dr. Dwyer in 2014. 2014 was the busiest year, with 2. The most frequent topics are Cardiology, Percutaneous Coronary Intervention and American Heart Association. Dr. Dwyer's most frequent co-authors are James Blankenship, MD, Mehmet Cilingiroglu, MD and Mandeep Singh, MD.

Papers3

Topics Dr. Dwyer writes about most

  • Cardiology
  • Percutaneous Coronary Intervention
  • American Heart Association

Dr. Dwyer's most frequent co-authors

Recent publications by Dr. Dwyer

See all 3 publications and co-authors

See who Dr. Dwyer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dwyer 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. James Gerard Dwyer received $1,231 in industry payments from 2016 to 2021

CMS Open Payments shows 43 general payments to Dr. Dwyer from 16 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $217.

General payments to Dr. Dwyer by program year, 2016 to 2021

Companies that paid Dr. Dwyer the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Dwyer

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

Sources for Dr. James Gerard Dwyer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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)
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. James Gerard Dwyer

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. James Gerard Dwyer's NPI number?

Dr. James Gerard Dwyer's NPI number is 1356458699. It was assigned on August 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James Gerard Dwyer?

Dr. James Gerard Dwyer is a cardiologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. James Gerard Dwyer practice?

Dr. Dwyer practices at 1848 E Thomas Rd Suite 100 Suite 100, Phoenix, AZ 85016-8103. Dr. Dwyer's primary practice is Az Heart Rhythm Center - Primary Care - Phoenix in Phoenix, Arizona. Dmand AI also links Dr. Dwyer to 1 physician office and 1 medical group.

What is Dr. James Gerard Dwyer's office phone number?

The practice phone on file for Dr. Dwyer is (602) 456-2342.

What is Dr. James Gerard Dwyer's medical license number?

Dr. Dwyer holds Arizona license 28611.

What medical group is Dr. James Gerard Dwyer part of?

Dr. Dwyer is linked to Arizona Heart Rhythm Center. Dmand AI links Dr. Dwyer to 1 more medical group.

Does Dr. James Gerard Dwyer accept Medicare?

Yes. CMS data shows Dr. Dwyer billed Medicare for 491 services in 2022.

What services does Dr. James Gerard Dwyer bill to Medicare?

In 2022, Dr. Dwyer's most billed Medicare services were office visit, established patient (99213), heart test or procedure (93000) and office visit, established patient (99214).

What drugs does Dr. James Gerard Dwyer prescribe most?

In 2023 Medicare Part D data, Dr. Dwyer's most prescribed drugs by claims were Atorvastatin Calcium and Pravastatin Sodium.

Has Dr. James Gerard Dwyer received payments from drug or device companies?

CMS Open Payments shows $1,231 in general payments to Dr. Dwyer from 16 companies from 2016 to 2021. The largest total came from Abbott Laboratories.

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How long has Dr. James Gerard Dwyer been practicing?

Dr. Dwyer graduated from medical school in 1978, 48 years ago.

Does Dr. James Gerard Dwyer do research?

Dmand AI links 3 publications to Dr. Dwyer.

Who does Dr. James Gerard Dwyer publish with?

Dr. Dwyer's most frequent co-authors are James Blankenship, MD (3 shared papers), Mehmet Cilingiroglu, MD (1 shared paper) and Mandeep Singh, MD (1 shared paper).

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