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.

IndividualActiveAccepts Medicare

Efrain Marcantoni, M.D.

NPI 1053387993 · Internal Medicine Physician · Ciales, PR

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)

Practice location

12 Calle Ignacio Fernandez

Ciales, PR 00638-3242

Phone: (787) 871-3677

Fax: (787) 871-4972

Street-level locationGet directions

More PR providers

Mailing address

12 Calle Ignacio Fernandez

Ciales, PR 00638-3242

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 7712 (PR)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(92/100 index)

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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider prescribes (Medicare Part D)

Transparency — industry payments