Luis Rosa Diaz
NPI 1346319399 · Family Medicine Physician · Guaynabo, PR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Rosa Diaz is a Family Medicine Physician provider in Guaynabo, PR (NPI 1346319399).
Provider details
- NPI number
- 1346319399
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13318 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 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 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 717 | 158 |
| Famotidine | 684 | 218 |
| Losartan Potassium | 674 | 139 |
| Gabapentin | 574 | 103 |
| Metformin Hcl | 427 | 87 |
| Simvastatin | 425 | 88 |
| Levothyroxine Sodium | 420 | 78 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$241 across 4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-06
- Last updated
- 2008-02-28
Frequently asked questions
- What is Luis Rosa Diaz's NPI number?
- Luis Rosa Diaz's National Provider Identifier (NPI) is 1346319399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Rosa Diaz's specialty?
- Luis Rosa Diaz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Rosa Diaz located?
- Luis Rosa Diaz's practice location on file with NPPES is Suite 208, Carr.21, Las Lomas, Guaynabo, PR 00921.
- What is Luis Rosa Diaz's phone number?
- The practice phone number listed in the NPPES registry for Luis Rosa Diaz is (787) 782-9999.
- Does Luis Rosa Diaz accept Medicare?
- Luis Rosa Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luis Rosa Diaz's NPI active?
- Yes — Luis Rosa Diaz's NPI (1346319399) is active in the NPPES registry as of the last update on 2008-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.