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Cardiac Electrophysiology

Augustus O. Grant Jr., MD

Works at hospitals in Durham, NC · Chapel Hill, NC · Cary, NC … · North Carolina

Summary

Dr. Augustus O. Grant Jr., MD is a cardiac electrophysiologist at 100 Duke Health Cary Pl, Cary, NC 27519. Phone: (919) 684-8111. Accepts Medicare assignment. In 2024, Augustus O. Grant Jr. had 5,757 Original Medicare patients and 9,104 services. NPI 1497839302. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiac electrophysiologist (Medicare lists Cardiac Electrophysiology)
  • Address: 100 Duke Health Cary Pl, Cary, NC 27519 · Directions (14 more locations)
  • Phone: (919) 684‑8111
  • Medicare: Accepts Medicare assignment
  • Hospitals: Duke Regional Hospital, Duke University Hospital, UNC Hospitals and 2 more
  • Group practice: Duke Health Integrated Practice, Inc
  • Medical school: graduated 1971 (55 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Augustus O. Grant Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Augustus O. Grant Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Augustus O. Grant Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Augustus O. Grant Jr. see?
In 2024, CMS data shows 5,757 Original Medicare patients and 9,104 services for Augustus O. Grant Jr.. This counts Original Medicare only and measures volume, not quality.
What is Augustus O. Grant Jr.'s NPI number?
1497839302. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Augustus O. Grant Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients5,757
Services billed to Medicare9,104
Different services or procedures19
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)7,085 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,485 services
  3. Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days (93244)168 services
  4. Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (93228)110 services
  5. Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)90 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis51%
  • Ischemic heart disease42%
  • Atrial fibrillation42%
  • Chronic kidney disease40%

Hospitals where Augustus O. Grant Jr. works

Medicare's Facility Affiliation Data lists Augustus O. Grant Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Duke Regional HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340155
  • Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
  • UNC HospitalsChapel Hill, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340061
  • Wakemed, Cary HospitalCary, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340173
  • Wakemed, Raleigh CampusRaleigh, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340069

Practice locations

Addresses where Augustus O. Grant Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.

Group practices

Medicare enrollment lists Augustus O. Grant Jr. as a member of this group (CMS data updated October 2, 2026).

  • Duke Health Integrated Practice, Inc3,185 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in North Carolina →

Other cardiac electrophysiologists in Cary

Clinicians with the same Medicare primary specialty in Cary, NC — not a recommendation.

All cardiac electrophysiologists in Cary →

Other clinicians in Duke Health Integrated Practice, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1971 (55 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497839302
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians