Rafael Santiago-Borras, MD
General Practice Physician · Arroyo, PR
Rafael Santiago-Borras, MD is a general practice physician with a practice address in Arroyo, Puerto Rico, and NPI 1881340297, issued on Feb 24, 2022. Check the license (Puerto Rico 22632, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rafael Santiago-Borras
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 22632 PR
Self-reported in NPPES; status is on the state search - Practice location
- B6 Calle G, Arroyo, PR 00714
- Phone
- (939) 250-8389
- Enumerated
- Feb 24, 2022
- Record last updated
- Feb 28, 2022
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Rafael Santiago-Borras in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 22632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average general practice physician in 2024
743 Medicare Part D claims for 431 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin144 claims
- Amoxicillin-Clavulanate Potass94 claims
- Dexamethasone59 claims
- Sulindac45 claims
- Ciprofloxacin Hcl43 claims
- Gabapentin35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Rafael Santiago-Borras among 4,170 general practice physician records in Puerto Rico
Rafael Santiago-Borras, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 general practice physician records list a practice address in Arroyo
They are 17 of the 85 NPPES records with a practice address in Arroyo, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Arroyo → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Jessica Aguirre PillotArroyo, PR 007141942441316
- Nilda Alvarez, MDArroyo, PR 007141073610333
- Larry Bernier Gonzalez, MDArroyo, PR 007141043230428
- Jose Burgos Gonzalez, MDArroyo, PR 007141184180515
- Fermin De Jesus, MDArroyo, PR 007141710458674
- Lissette Diaz Olmeda, MDArroyo, PR 007141194379750
- Eugenio Gonzalez Castillo, MDArroyo, PR 007141316962921
- Maria Del Carmen Gutierrez Ortiz, MDArroyo, PR 007141871594200
Common questions
What is Rafael Santiago-Borras, MD's NPI number?
Rafael Santiago-Borras, MD's National Provider Identifier (NPI) is 1881340297, issued on Feb 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Rafael Santiago-Borras, MD located?
The NPPES record lists a practice address at B6 Calle G, Arroyo, PR, 00714. Phone: (939) 250-8389. Providers update this record themselves, so call before visiting.
How can I verify Rafael Santiago-Borras, MD's license?
NPPES lists Puerto Rico license number 22632, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Rafael Santiago-Borras, MD prescribe under Medicare Part D?
In 2024, Rafael Santiago-Borras, MD had 743 Medicare Part D claims for 431 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.