Dr. Patrick B. Gregory, MD
Cardiology (Cardiovascular Disease Physician)
11108 Parkview Circle Dr
Fort Wayne, IN 46845
Who else practices at this address →
Allen County is a federal mental health shortage area. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 35
- In the NPI registry since
- 2005
- Medicare patients seen, 2024
- 1,030
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. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 2005Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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
WI license 45415
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Parkview Regional Medical Center Fort Wayne, IN
- Parkview Whitley Hospital Columbia City, IN
- Parkview Noble Hospital Kendallville, IN
- Parkview Dekalb Hospital Auburn, IN
- Parkview Wabash Hospital, Inc Wabash, IN
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
- 1,030
- Services billed
- 1,675
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 714 | 674 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 269 | 268 |
| Established patient office or other outpatient visit, 30-39 minutes | 231 | 197 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 203 | 102 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 104 | 104 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 94 | 93 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 94 | 93 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 93 | 91 |
| Ultrasound of heart, follow-up | 82 | 81 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | 82 | 81 |
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 |
|---|---|
| Atorvastatin Calcium Other prescribers in Fort Wayne, IN | 449 |
| Metoprolol Succinate Other prescribers in Fort Wayne, IN | 410 |
| Eliquis (apixaban) Other prescribers in Fort Wayne, IN | 373 |
| Amlodipine Besylate Other prescribers in Fort Wayne, IN | 340 |
| Spironolactone Other prescribers in Fort Wayne, IN | 329 |
| Carvedilol Other prescribers in Fort Wayne, IN | 306 |
| Furosemide Other prescribers in Fort Wayne, IN | 268 |
| Jardiance (empagliflozin) Other prescribers in Fort Wayne, IN | 214 |
| Lisinopril Other prescribers in Fort Wayne, IN | 200 |
| Entresto (sacubitril/valsartan) Other prescribers in Fort Wayne, IN | 179 |
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, 6 companies reported 20 payments worth $273 in total to this clinician.
| Amgen Inc. | $92.16 |
|---|---|
| Zoll Services LLC (a/k/a Zoll Lifecor Corp) | $65.71 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $60.99 |
| Abbott Laboratories | $21.21 |
| AstraZeneca Pharmaceuticals LP | $18.38 |
| Pfizer Inc. | $14.35 |
| Food and Beverage | $273 |
|---|
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 $26,589 in research payments for these studies, mostly to the institutions running them.
- ALLEVIATE-HF
Medtronic, Inc.
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.