Luis Ramos Diaz, M.D.
NPI 1669516704 · General Practice Physician · San Juan, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Ramos Diaz, M.D. is a General Practice Physician provider in San Juan, PR (NPI 1669516704).
Provider details
- NPI number
- 1669516704
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13143 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
66 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $58 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 24 | $52 |
Typical Medicare-allowed amounts for these services range $52–$58 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 204 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,022 | 292 |
| Famotidine | 838 | 208 |
| Losartan Potassium | 808 | 252 |
| Gabapentin | 724 | 189 |
| Rosuvastatin Calcium | 695 | 212 |
| Omeprazole | 689 | 149 |
| Simvastatin | 680 | 198 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$336 across 13 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
- 2007-02-19
- Last updated
- 2009-12-07
Frequently asked questions
- What is Luis Ramos Diaz's NPI number?
- Luis Ramos Diaz's National Provider Identifier (NPI) is 1669516704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Ramos Diaz's specialty?
- Luis Ramos Diaz is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Ramos Diaz located?
- Luis Ramos Diaz's practice location on file with NPPES is #165 Calle Pirineos, San Juan, PR 00926.
- What is Luis Ramos Diaz's phone number?
- The practice phone number listed in the NPPES registry for Luis Ramos Diaz is (787) 720-9898.
- Does Luis Ramos Diaz accept Medicare?
- Luis Ramos 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 Ramos Diaz's NPI active?
- Yes — Luis Ramos Diaz's NPI (1669516704) is active in the NPPES registry as of the last update on 2009-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.