Efrain Marcantoni, M.D.
NPI 1053387993 · Internal Medicine Physician · Ciales, PR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Efrain Marcantoni, M.D. is a Internal Medicine Physician provider in Ciales, PR (NPI 1053387993).
Provider details
- NPI number
- 1053387993
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7712 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,330 | 204 |
| Amlodipine Besylate | 844 | 119 |
| Lisinopril | 811 | 120 |
| Metformin Hcl | 804 | 121 |
| Naproxen | 550 | 112 |
| Losartan Potassium | 456 | 67 |
| Hydrochlorothiazide | 421 | 65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
- 2006-02-28
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Efrain Marcantoni's NPI number?
- Efrain Marcantoni's National Provider Identifier (NPI) is 1053387993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Efrain Marcantoni's specialty?
- Efrain Marcantoni is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Efrain Marcantoni located?
- Efrain Marcantoni's practice location on file with NPPES is 12 Calle Ignacio Fernandez, Ciales, PR 00638-3242.
- What is Efrain Marcantoni's phone number?
- The practice phone number listed in the NPPES registry for Efrain Marcantoni is (787) 871-3677.
- Does Efrain Marcantoni accept Medicare?
- Efrain Marcantoni is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Efrain Marcantoni's NPI active?
- Yes — Efrain Marcantoni's NPI (1053387993) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.