Dr. Isaac B. Rhea, M.D.
Cardiology (Cardiovascular Disease Physician)
- Medicare participating
At a glance
- Medical school
- University of Louisville School of Medicine (2010)
- Years since graduation
- 16
- In the NPI registry since
- 2010
- Medicare patients seen, 2024
- 737
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2010Medical school: University of Louisville School of Medicine
- 2010Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Cardiovascular Disease Physician primary
TN license 59843 · KY license 62285 -
Internal Medicine Physician
IN license 01072846A
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Methodist Hospitals of Memphis Memphis, TN
- Methodist Healthcare - Olive Branch Hospital Olive Branch, MS
Medical groups
- Specialty Physician Group LLC (102 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 737
- Services billed
- 1,740
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 537 | 396 |
| Established patient office or other outpatient visit, 30-39 minutes | 231 | 127 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 228 | 111 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 208 | 204 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 98 | 95 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 82 | 80 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 81 | 79 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 36 | 35 |
| New patient office or other outpatient visit, 45-59 minutes | 27 | 27 |
| Ultrasound of heart with probe in esophagus, with report | 20 | 20 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Carvedilol Other prescribers in Memphis, TN | 344 |
| Atorvastatin Calcium Other prescribers in Memphis, TN | 313 |
| Entresto (sacubitril/valsartan) Other prescribers in Memphis, TN | 282 |
| Amlodipine Besylate Other prescribers in Memphis, TN | 225 |
| Farxiga (dapagliflozin propanediol) Other prescribers in Memphis, TN | 221 |
| Spironolactone Other prescribers in Memphis, TN | 208 |
| Metoprolol Succinate Other prescribers in Memphis, TN | 168 |
| Furosemide Other prescribers in Memphis, TN | 159 |
| Jardiance (empagliflozin) Other prescribers in Memphis, TN | 115 |
| Olmesartan Medoxomil Other prescribers in Memphis, TN | 114 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 4 companies reported 5 payments worth $160 in total to this clinician.
| Abiomed | $93.09 |
|---|---|
| Abbott Laboratories | $43.66 |
| Recor Medical Inc | $19.45 |
| Zoll Services LLC (a/k/a Zoll Lifecor Corp) | $3.45 |
| Food and Beverage | $160 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.
Industry-funded research
Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $10,358 in research payments for these studies, mostly to the institutions running them.
- Study Evaluating the Safety, Tolerability and Preliminary Pharmacokinetics and Pharmacodynamics of MYK-461
E.r. Squibb & Sons, L.l.c. · Completed · NCT02329184
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.