Sifredo Acaron
NPI 1659481323 · Hematology & Oncology Physician · Mayaguez, PR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sifredo Acaron is a Hematology & Oncology Physician provider in Mayaguez, PR (NPI 1659481323).
Provider details
- NPI number
- 1659481323
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 7458 (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
19 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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 137 | 24 |
| Warfarin Sodium | 115 | 14 |
| Losartan Potassium | 105 | 29 |
| Nifedipinebrand: Nifedipine Er | 101 | 24 |
| Lisinopril | 101 | 21 |
| Prednisone | 94 | 17 |
| Acyclovir | 83 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$448 across 10 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
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sifredo Acaron's NPI number?
- Sifredo Acaron's National Provider Identifier (NPI) is 1659481323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sifredo Acaron's specialty?
- Sifredo Acaron is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Sifredo Acaron located?
- Sifredo Acaron's practice location on file with NPPES is Calle Morel Campos #4, Mayaguez, PR 00680.
- What is Sifredo Acaron's phone number?
- The practice phone number listed in the NPPES registry for Sifredo Acaron is (787) 832-0040.
- Does Sifredo Acaron accept Medicare?
- Sifredo Acaron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sifredo Acaron's NPI active?
- Yes — Sifredo Acaron's NPI (1659481323) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.