Dr. Isaac Brendan Rhea, MD
- Medicare services, 2024
- 1,623
- Medicare patients, 2024
- 737
- Part D claims, 2024
- 3,566
- Publications
- 26
- Hospital affiliations
- 2
- Practice address
- 1265 Union Ave Suite 700, Memphis, TN 38104
- Practice phone
- Call (901) 516-8274
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rhea's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Isaac Brendan Rhea is a cardiologist in Memphis, Tennessee
Dr. Rhea practices at Methodist University Hospital in Memphis, Tennessee, part of Methodist Le Bonheur Healthcare.
Dr. Rhea's NPI, 1568782811, was assigned on June 9, 2010. Dr. Rhea graduated from University of Louisville School of Medicine in 2010. Dr. Rhea holds Tennessee license 59843.
- NPI
- 1568782811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557501350
- NPI enumeration date
- June 9, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (901) 516-8274
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Isaac Brendan Rhea practices at Methodist University Hospital in Memphis, Tennessee
Dr. Rhea's primary practice is Methodist University Hospital, at 1265 Union Ave Suite 700, Memphis, TN 38104 in Shelby County. The practice phone is (901) 516-8274.
- Methodist University Hospital1265 Union Ave Suite 700, Memphis, TN 38104 · Shelby CountyPhone(901) 516-8274
Source: Dmand AI Affiliation Data
Dr. Isaac Brendan Rhea is affiliated with 4 sites of care and 2 medical groups
Dr. Rhea's primary practice is Methodist University Hospital in Memphis, Tennessee, part of Methodist Le Bonheur Healthcare. Dr. Rhea is also affiliated with Methodist Olive Branch Hospital. The medical group on file is St. Jude Children's Research Hospital. Dmand AI also links Dr. Rhea to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Isaac Brendan Rhea's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rhea practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist University Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Methodist Le Bonheur Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Isaac Brendan Rhea is one of 424 cardiologists in Tennessee
Cardiovascular disease is Dr. Rhea's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Rhea's licenses on file in 2 states: Tennessee and Indiana.
Specialties and state licenses
- Cardiovascular disease, TennesseePrimary
- Internal medicine, Indiana
Cardiologists near Dr. Rhea
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. Isaac Brendan Rhea billed Medicare for 1,623 services in 2024
CMS data shows 1,623 Medicare services from Dr. Rhea across 14 procedure codes in 2024, for 737 Medicare patients. Medicare paid $57,465 for them.
Dr. Rhea's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9822024: 87511%
- Office and hospital visits
- 2023: 6312024: 5985%
- Other services
- 2023: 02024: 139
- Imaging
- 2023: 02024: 11
Where Dr. Rhea's Medicare services took place, 2024
- In an office38023%
- In a facility1,24377%
Dr. Rhea compared with the Tennessee median for cardiologists, 2024
- Dr. Rhea
- Tennessee median
- Medicare services
- 1,623vs 1,7909% below
- Medicare patients
- 737vs 86615% below
- Part D claims
- 3,380vs 1,79888% above
Medians across 428 cardiologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Rhea'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.
Need commercial claims for Dr. Rhea?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rhea and other cardiologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Isaac Brendan Rhea treated 737 Medicare patients in 2024, average age 70
CMS counts 737 Medicare patients who saw Dr. Rhea in 2024. The largest group is 65 to 74, with 324 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Rhea's median patient age at 69, with 56% women.
Dr. Rhea's Medicare patients by age, 2024
Dr. Rhea's Medicare patients by sex, 2024
- Women39353%
- Men34447%
Chronic conditions among Dr. Rhea's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure53%
- Chronic kidney disease52%
- Diabetes52%
- Ischemic heart disease51%
- Arthritis49%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rhea's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Isaac Brendan Rhea wrote 3,566 Medicare Part D claims in 2024
In 2024, Dr. Rhea wrote 3,566 Medicare Part D claims for 369 patients. 73% of them were for generic drugs. CMS names the drug for 3,380 of them, across 39 drugs with 11 or more claims each, at $3,260,012 in total drug cost. In 2023, CMS named 2,703 claims across 38 drugs.
Dr. Rhea's Part D claims by kind of drug, 2024
- Generic2,603 claims73%
- Brand-name963 claims27%
Dr. Rhea'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,7032024: 3,38025%
Drugs named by CMS: 39 in 2024, 38 in 2023.
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. Isaac Brendan Rhea offers telehealth to Medicare patients
Dr. Rhea accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rhea as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Isaac Brendan Rhea has 26 publications on record
Dmand AI links 26 papers to Dr. Rhea, published from 2014 to 2025. 2020 was the busiest year, with 3. The most frequent topics are Antineoplastic Agents, Cancer Survivors and Cardiomyopathies. Dr. Rhea has published most often in JACC CardioOncol. Dr. Rhea's most frequent co-authors are Gregory T. Armstrong, MD, Daniel A. Mulrooney, MD and Deya Aldeen Mohammad Ali Alkhatib, MD.
Dr. Rhea's papers by year, 2015 to 2025
Topics Dr. Rhea writes about most
- Antineoplastic Agents
- Cancer Survivors
- Cardiomyopathies
- Cardiovascular Diseases
- Echocardiography
- Stroke Volume
- Adenine
- Atrial Fibrillation
Dr. Rhea's most frequent co-authors
- Gregory T. Armstrong, MD5 shared papers
- Daniel A. Mulrooney, MD5 shared papers
- Deya Aldeen Mohammad Ali Alkhatib, MD3 shared papers
Recent publications by Dr. Rhea
See who Dr. Rhea researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rhea works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Isaac Brendan Rhea received $4,117 in industry payments from 2016 to 2025
CMS Open Payments shows 191 general payments to Dr. Rhea from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Janssen Pharmaceuticals, Inc paid the most, $763.
General payments to Dr. Rhea by program year, 2016 to 2025
General payments to Dr. Rhea by kind, 2016 to 2025
- Food and beverage$3,82293%
- Education$2957%
Companies that paid Dr. Rhea the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Isaac Brendan Rhea graduated from University of Louisville School of Medicine
Dr. Rhea graduated from University of Louisville School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Isaac Brendan Rhea's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Isaac Brendan Rhea
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. Isaac Brendan Rhea's NPI number?
Dr. Isaac Brendan Rhea's NPI number is 1568782811. It was assigned on June 9, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Isaac Brendan Rhea?
Dr. Isaac Brendan Rhea is a cardiologist in Memphis, Tennessee. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Isaac Brendan Rhea practice?
Dr. Rhea practices at 1265 Union Ave Suite 700, Memphis, TN 38104. Dr. Rhea's primary practice is Methodist University Hospital in Memphis, Tennessee, part of Methodist Le Bonheur Healthcare. Dmand AI also links Dr. Rhea to 2 group practices and clinics and 1 medical group.
What is Dr. Isaac Brendan Rhea's office phone number?
The practice phone on file for Dr. Rhea is (901) 516-8274.
What is Dr. Isaac Brendan Rhea's medical license number?
Dr. Rhea holds Tennessee license 59843, one of the licenses on file in 2 states.
Which states has Dr. Isaac Brendan Rhea been licensed in?
Dmand AI has state licenses on file for Dr. Rhea in Tennessee and Indiana.
Which hospitals is Dr. Isaac Brendan Rhea affiliated with?
Dr. Rhea practices at Methodist University Hospital in Memphis, Tennessee. Dr. Rhea is also affiliated with Methodist Olive Branch Hospital.
What medical group is Dr. Isaac Brendan Rhea part of?
Dr. Rhea is linked to St. Jude Children's Research Hospital. Dmand AI links Dr. Rhea to 1 more medical group.
Does Dr. Isaac Brendan Rhea accept Medicare?
Yes. CMS data shows Dr. Rhea billed Medicare for 1,623 services in 2024, and Dr. Rhea accepts Medicare assignment.
Does Dr. Isaac Brendan Rhea offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rhea as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Isaac Brendan Rhea see?
CMS counts 737 Medicare patients who saw Dr. Rhea in 2024, with an average age of 70.
What services does Dr. Isaac Brendan Rhea bill to Medicare?
In 2024, Dr. Rhea's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and hospital inpatient care (99232).
Where did Dr. Isaac Brendan Rhea go to medical school?
Dr. Rhea graduated from University of Louisville School of Medicine in 2010.
What drugs does Dr. Isaac Brendan Rhea prescribe most?
In 2024 Medicare Part D data, Dr. Rhea's most prescribed drugs by claims were Carvedilol, Atorvastatin Calcium and Entresto.
Has Dr. Isaac Brendan Rhea received payments from drug or device companies?
CMS Open Payments shows $4,117 in general payments to Dr. Rhea from 23 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Isaac Brendan Rhea been practicing?
Dr. Rhea graduated from medical school in 2010, 16 years ago.
Does Dr. Isaac Brendan Rhea do research?
Dmand AI links 26 publications to Dr. Rhea, published from 2014 to 2025.
Who does Dr. Isaac Brendan Rhea publish with?
Dr. Rhea's most frequent co-authors are Gregory T. Armstrong, MD (5 shared papers), Daniel A. Mulrooney, MD (5 shared papers) and Deya Aldeen Mohammad Ali Alkhatib, MD (3 shared papers).
Selling to cardiovascular disease practices?
See cardiologists in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card