Isabel Ramirez De Arellano, MD
Specialist · Mayaguez, PR
Isabel Ramirez De Arellano, MD is a specialist with a practice address in Mayaguez, Puerto Rico, and NPI 1578697827, issued on Mar 16, 2007. Check the license (Puerto Rico 9180, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isabel Ramirez De Arellano
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 9180 PR
Self-reported in NPPES; status is on the state search - Practice location
- Calle Dr Basora 16N, Mayaguez, PR 00680
- Phone
- (787) 834-4770
- Enumerated
- Mar 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 265-2120
- Entity
- Type 1 · individual
8 nearest specialist records → All 574 in Puerto Rico → Look up another NPI →
Also registered at Calle Dr Basora 16N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Armando Marquez, MDSpecialist1346374790
Verify Isabel Ramirez De Arellano 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 9180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average specialist in 2024
20 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
Isabel Ramirez De Arellano among 574 specialist records in Puerto Rico
Isabel Ramirez De Arellano, MD is one of 574 specialist records with a practice address in Puerto Rico. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 63% of them.
- NPI issued2007 · 63% of these records are older, 10% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileNo · 26% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 specialist records list a practice address in Mayaguez
They are 30 of the 1,408 NPPES records with a practice address in Mayaguez, and 574 specialist records in Puerto Rico.
All 574 in Puerto Rico → Every provider in Mayaguez → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Domingo Acosta-Albino, M.D.Mayaguez, PR 006801548343031
- Noemi Benitez, M.D.Mayaguez, PR 006801962597203
- Manuel Benitez Corujo, M.D.Mayaguez, PR 006801295788651
- Hiram Cardona-Martinez, M.D.Mayaguez, PR 006801528153855
- Luis Cuebas Velez, M.D.Mayaguez, PR 006801427112143
- Gilberto Franceschini Barreto, M.D.Mayaguez, PR 006801417027897
- Maria Gonzalez, M.D.Mayaguez, PR 006801932199783
- Hector Hernandez-Lopez, MDMayaguez, PR 006801336254937
Common questions
What is Isabel Ramirez De Arellano, MD's NPI number?
Isabel Ramirez De Arellano, MD's National Provider Identifier (NPI) is 1578697827, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Isabel Ramirez De Arellano, MD located?
The NPPES record lists a practice address at Calle Dr Basora 16N, Mayaguez, PR, 00680. Phone: (787) 834-4770. Providers update this record themselves, so call before visiting.
How can I verify Isabel Ramirez De Arellano, MD's license?
NPPES lists Puerto Rico license number 9180, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Isabel Ramirez De Arellano, MD prescribe under Medicare Part D?
In 2024, Isabel Ramirez De Arellano, MD had 20 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.