Elizabeth Ramirez-Diaz, MD
NPI 1235471186 · Rheumatology Physician · Naranjito, PR
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Ramirez-Diaz, MD is a Rheumatology Physician provider in Naranjito, PR (NPI 1235471186).
Provider details
- NPI number
- 1235471186
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 19,332 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 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 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 332 | 59 |
| Prednisone | 190 | 38 |
| Methotrexate Sodiumbrand: Methotrexate | 179 | 33 |
| Hydroxychloroquine Sulfate | 143 | 26 |
| Alendronate Sodium | 116 | 25 |
| Duloxetine Hcl | 99 | 18 |
| Baclofen | 94 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$525 across 19 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.
Mailing address
Registry dates
- Enumerated
- 2013-03-19
- Last updated
- 2021-05-15
- Certified
- 2021-05-15
Frequently asked questions
- What is Elizabeth Ramirez-Diaz's NPI number?
- Elizabeth Ramirez-Diaz's National Provider Identifier (NPI) is 1235471186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Ramirez-Diaz's specialty?
- Elizabeth Ramirez-Diaz is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Ramirez-Diaz located?
- Elizabeth Ramirez-Diaz's practice location on file with NPPES is Po Box 515, Naranjito, PR 00719-0515.
- What is Elizabeth Ramirez-Diaz's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Ramirez-Diaz is (787) 787-2387.
- Does Elizabeth Ramirez-Diaz accept Medicare?
- Elizabeth Ramirez-Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Ramirez-Diaz's NPI active?
- Yes — Elizabeth Ramirez-Diaz's NPI (1235471186) is active in the NPPES registry as of the last update on 2021-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.