Mark Ruggiero, M.D.
NPI 1396773644 · Cardiovascular Disease Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ruggiero, M.D. is a Cardiovascular Disease Physician provider in Waterbury, CT (NPI 1396773644).
Provider details
- NPI number
- 1396773644
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 033880 (CT)
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
19 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
2,456 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 | 513 | $23 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 496 | $134 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 426 | $30 |
| Programming of Dual Lead Pacemaker System93280 | 162 | $81 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 110 | $69 |
| 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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 704 | 226 |
| Apixabanbrand: Eliquis | 593 | 153 |
| Metoprolol Succinate | 532 | 167 |
| Amlodipine Besylate | 409 | 133 |
| Ezetimibe | 397 | 125 |
| Metoprolol Tartrate | 387 | 130 |
| Furosemide | 374 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 2 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
- 2006-06-28
- Last updated
- 2014-07-15
Frequently asked questions
- What is Mark Ruggiero's NPI number?
- Mark Ruggiero's National Provider Identifier (NPI) is 1396773644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ruggiero's specialty?
- Mark Ruggiero is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ruggiero located?
- Mark Ruggiero's practice location on file with NPPES is 455 Chase Pkwy, Waterbury, CT 06708-3352.
- What is Mark Ruggiero's phone number?
- The practice phone number listed in the NPPES registry for Mark Ruggiero is (203) 573-1435.
- Does Mark Ruggiero accept Medicare?
- Mark Ruggiero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ruggiero's NPI active?
- Yes — Mark Ruggiero's NPI (1396773644) is active in the NPPES registry as of the last update on 2014-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.