Jon Grammes, DO
NPI 1972821593 · Clinical Cardiac Electrophysiology Physician · Norfolk, VA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Grammes, DO is a Clinical Cardiac Electrophysiology Physician provider in Norfolk, VA (NPI 1972821593).
Provider details
- NPI number
- 1972821593
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0102202645 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,900 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,233 | $8 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 685 | $29 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 419 | $97 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 371 | $78 |
| Evaluation of Implantable Heart and Blood Vessel Monitoring System, Remote Up to 30 Days93297 | 340 | $25 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 664 | 197 |
| Flecainide Acetate | 185 | 77 |
| Metoprolol Succinate | 176 | 69 |
| Rivaroxabanbrand: Xarelto | 140 | 41 |
| Metoprolol Tartrate | 137 | 53 |
| Amiodarone Hcl | 120 | 56 |
| Furosemide | 89 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$849 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-06
- Last updated
- 2023-12-29
- Certified
- 2023-12-29
Frequently asked questions
- What is Jon Grammes's NPI number?
- Jon Grammes's National Provider Identifier (NPI) is 1972821593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Grammes's specialty?
- Jon Grammes is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Grammes located?
- Jon Grammes's practice location on file with NPPES is 844 Kempsville Rd Ste 204, Norfolk, VA 23502-3927.
- What is Jon Grammes's phone number?
- The practice phone number listed in the NPPES registry for Jon Grammes is (757) 261-0700.
- Does Jon Grammes accept Medicare?
- Jon Grammes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Grammes's NPI active?
- Yes — Jon Grammes's NPI (1972821593) is active in the NPPES registry as of the last update on 2023-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.