Porfirio Diaz, MD
NPI 1992727713 · Cardiovascular Disease Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Porfirio Diaz, MD is a Cardiovascular Disease Physician provider in San Juan, PR (NPI 1992727713).
Provider details
- NPI number
- 1992727713
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6921 (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
80 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 | 49 | $88 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 20 | $14 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 11 | $192 |
Typical Medicare-allowed amounts for these services range $14–$192 (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 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 457 | 180 |
| Metoprolol Succinate | 386 | 159 |
| Amlodipine Besylate | 343 | 153 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 233 | 80 |
| Atorvastatin Calcium | 211 | 93 |
| Rosuvastatin Calcium | 164 | 76 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$323 across 5 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
- 2006-07-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Porfirio Diaz's NPI number?
- Porfirio Diaz's National Provider Identifier (NPI) is 1992727713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Porfirio Diaz's specialty?
- Porfirio Diaz is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Porfirio Diaz located?
- Porfirio Diaz's practice location on file with NPPES is #1021 General Del Valle Urb. Delicias, San Juan, PR 00924-3722.
- What is Porfirio Diaz's phone number?
- The practice phone number listed in the NPPES registry for Porfirio Diaz is (787) 731-2123.
- Does Porfirio Diaz accept Medicare?
- Porfirio Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Porfirio Diaz's NPI active?
- Yes — Porfirio Diaz's NPI (1992727713) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.