Carlos Alfonso, MD
NPI 1801864061 · Cardiovascular Disease Physician · Glen Ridge, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Alfonso, MD is a Cardiovascular Disease Physician provider in Glen Ridge, NJ (NPI 1801864061).
Provider details
- NPI number
- 1801864061
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA06865300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
5,614 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 Report93000 | 947 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 793 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 781 | $145 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 532 | $15 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 530 | $23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 881 | 299 |
| Metoprolol Succinate | 864 | 290 |
| Losartan Potassium | 493 | 164 |
| Amlodipine Besylate | 471 | 167 |
| Rosuvastatin Calcium | 366 | 124 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 341 | 134 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$493 across 26 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
- 2006-03-14
- Last updated
- 2010-06-24
Frequently asked questions
- What is Carlos Alfonso's NPI number?
- Carlos Alfonso's National Provider Identifier (NPI) is 1801864061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Alfonso's specialty?
- Carlos Alfonso is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Alfonso located?
- Carlos Alfonso's practice location on file with NPPES is 946 Bloomfield Avenue, Glen Ridge, NJ 07028.
- What is Carlos Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Carlos Alfonso is (973) 743-1121.
- Does Carlos Alfonso accept Medicare?
- Carlos Alfonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Alfonso's NPI active?
- Yes — Carlos Alfonso's NPI (1801864061) is active in the NPPES registry as of the last update on 2010-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.