Timothy Mahoney, M.D.
NPI 1235303751 · Clinical Cardiac Electrophysiology Physician · Morristown, NJ
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Mahoney, M.D. is a Clinical Cardiac Electrophysiology Physician provider in Morristown, NJ (NPI 1235303751).
Provider details
- NPI number
- 1235303751
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 57.011029 (OH)
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
18 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
4,450 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 Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 732 | $26 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 636 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 597 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 433 | $9 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days93295 | 359 | $38 |
| Programming of Dual Lead Pacemaker System93280 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 251 | 97 |
| Dofetilide | 104 | 42 |
| Apixabanbrand: Eliquis | 101 | 38 |
| Dronedarone Hclbrand: Multaq | 74 | 27 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 61 | 21 |
| Flecainide Acetate | 50 | 18 |
| Metoprolol Tartrate | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,949 across 152 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
- 2008-04-16
- Last updated
- 2016-09-29
Frequently asked questions
- What is Timothy Mahoney's NPI number?
- Timothy Mahoney's National Provider Identifier (NPI) is 1235303751, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Mahoney's specialty?
- Timothy Mahoney is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Mahoney located?
- Timothy Mahoney's practice location on file with NPPES is 100 Madison Ave, Morristown, NJ 07960-6136.
- What is Timothy Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Timothy Mahoney is (973) 971-4261.
- Does Timothy Mahoney accept Medicare?
- Timothy Mahoney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Mahoney's NPI active?
- Yes — Timothy Mahoney's NPI (1235303751) is active in the NPPES registry as of the last update on 2016-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.