John Duell, M.D.
NPI 1598994261 · Clinical Cardiac Electrophysiology Physician · Dartmouth, MA
John Duell, M.D. is a Clinical Cardiac Electrophysiology Physician provider in Dartmouth, MA (NPI 1598994261).
Provider details
- NPI number
- 1598994261
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 266970 (MA)
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
5,877 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) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 848 | $22 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 695 | $129 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 665 | $102 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 547 | $29 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 525 | $14 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$554 across 23 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
- 2009-07-02
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is John Duell's NPI number?
- John Duell's National Provider Identifier (NPI) is 1598994261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Duell's specialty?
- John Duell is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Duell located?
- John Duell's practice location on file with NPPES is 535 Faunce Corner Rd, Dartmouth, MA 02747-1242.
- What is John Duell's phone number?
- The practice phone number listed in the NPPES registry for John Duell is (508) 996-3991.
- Is John Duell's NPI active?
- Yes — John Duell's NPI (1598994261) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.