Rafael Santiago-Borras, MD
NPI 1881340297 · General Practice Physician · Arroyo, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rafael Santiago-Borras, MD is a General Practice Physician provider in Arroyo, PR (NPI 1881340297).
Provider details
- NPI number
- 1881340297
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 22632 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 144 | 140 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 94 | 87 |
| Dexamethasone | 59 | 56 |
| Sulindac | 45 | 42 |
| Ciprofloxacin Hcl | 43 | 40 |
| Gabapentin | 35 | 32 |
| Baclofen | 27 | 27 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-02-24
- Last updated
- 2022-02-28
- Certified
- 2022-02-28
Frequently asked questions
- What is Rafael Santiago-Borras's NPI number?
- Rafael Santiago-Borras's National Provider Identifier (NPI) is 1881340297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rafael Santiago-Borras's specialty?
- Rafael Santiago-Borras is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Rafael Santiago-Borras located?
- Rafael Santiago-Borras's practice location on file with NPPES is B6 Calle G, Arroyo, PR 00714.
- What is Rafael Santiago-Borras's phone number?
- The practice phone number listed in the NPPES registry for Rafael Santiago-Borras is (939) 250-8389.
- Does Rafael Santiago-Borras accept Medicare?
- Rafael Santiago-Borras is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rafael Santiago-Borras's NPI active?
- Yes — Rafael Santiago-Borras's NPI (1881340297) is active in the NPPES registry as of the last update on 2022-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.