Elizabeth Christine Ramirez-Diaz, MD
Rheumatology Physician · Naranjito, PR
Elizabeth Christine Ramirez-Diaz, MD is a rheumatology physician with a practice address in Naranjito, Puerto Rico, and NPI 1235471186, issued on Mar 19, 2013. Check the license (Puerto Rico 19332, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Christine Ramirez-Diaz
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 19332 PR
19,332 PR
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 515, Naranjito, PR 00719
- Phone
- (787) 787-2387
- Enumerated
- Mar 19, 2013
- Record last updated
- May 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210609003189); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 87 in Puerto Rico → Look up another NPI →
Also registered at PO Box 515
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriela Ramos TorresHealth Educator1578223723
- Nataly Santiago, PHARMD.Pharmacist1346741881
Verify Elizabeth Christine Ramirez-Diaz 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 19332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average rheumatology physician in 2024
2,354 Medicare Part D claims for 188 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Gabapentin332 claims
- Prednisone190 claims
- Methotrexate179 claims
- Hydroxychloroquine Sulfate143 claims
- Alendronate Sodium116 claims
- Duloxetine Hcl99 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.
Industry payments in 2024: $524.98
19 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Elizabeth Christine Ramirez-Diaz among 87 rheumatology physician records in Puerto Rico
Elizabeth Christine Ramirez-Diaz, MD is one of 87 rheumatology physician records with a practice address in Puerto Rico. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 85% of them.
- NPI issued2013 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2013 · median 1992 among the 69 with a school on file
- Record last updated2021 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Puerto Rico
There are 87 rheumatology physician records in Puerto Rico.
All 87 in Puerto Rico → Every provider in Naranjito → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Osvaldo Antommattei, MDPonce, PR 007171821063074
- Roberto Leon-Perez, MDPonce, PR 007171932197639
- Rafael Rios Rivera, M.D.Ponce, PR 007161366891590
- Ileana Rivera-Burgos, MDPonce, PR 007161003131996
- Lilliana Serrano ArroyoPonce, PR 007161851934129
- Maria Del Carmen Ballesteros Ramos, MDPonce, PR 007131841251683
- Lillian Bezares, M.D.Caguas, PR 007251861547960
- Leyda Diaz-Correa, M.D.Caguas, PR 007251144453317
Common questions
What is Elizabeth Christine Ramirez-Diaz, MD's NPI number?
Elizabeth Christine Ramirez-Diaz, MD's National Provider Identifier (NPI) is 1235471186, issued on Mar 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Christine Ramirez-Diaz, MD located?
The NPPES record lists a practice address at PO Box 515, Naranjito, PR, 00719. Phone: (787) 787-2387. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Christine Ramirez-Diaz, MD's license?
NPPES lists Puerto Rico license number 19332, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Christine Ramirez-Diaz, MD prescribe under Medicare Part D?
In 2024, Elizabeth Christine Ramirez-Diaz, MD had 2,354 Medicare Part D claims for 188 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.