Jon Andrew Grammes, DO
NPI 1972821593ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Norfolk, VA
Internal Medicine, Clinical Cardiac Electrophysiology (DO) in Norfolk, Virginia, trained at Philadelphia College of Osteopathic Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,075,237 for 2,226 claims, against $403,164 paid for services in 2024. Boston Scientific Corporation was the largest of 6 companies reporting payments in 2025, $677.89 in all, mostly food and beverage.
Overview
| NPI | 1972821593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 6, 2010 |
| Last updated in NPPES | Dec 29, 2023 |
| Certified by provider | Dec 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 0102202645 | VA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 0102202645 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,068 |
|---|---|
| Services billed | 6,162 across 83 procedure codes |
| Paid by Medicare | $403,164 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,226 · 5,528 30-day fills |
|---|---|
| Patients | 506 |
| Total drug cost | $1,075,237 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Nuclear Medicine |
Medical group
- Sentara Medical GroupNorfolk, VA · 1,408 clinicians
Hospital affiliations
- Sentara Leigh HospitalNorfolk, VA
- Sentara Norfolk General HospitalNorfolk, VA
- Sentara Obici HospitalSuffolk, VA
- Sentara Princess Anne HospitalVirginia Beach, VA
- Sentara Virginia Beach General HospitalVirginia Beach, VA
Industry payments (Open Payments)
- 2025$677.89 · 35 payments from 6 companies
- 2024$848.51 · 28 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $217.42 | 13 |
| Biosense Webster, Inc. | $179.43 | 16 |
| Vital Connect, Inc | $157.80 | 1 |
| Abbott Laboratories | $46.03 | 2 |
| Cordis US Corp. | $44.10 | 2 |
What the 2025 payments were for
- Food and Beverage$677.89 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Clinical Cardiac Electrophysiology providers in Norfolk
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- 1598923583
All Internal Medicine, Clinical Cardiac Electrophysiology providers in Virginia