John Diaz, MD
NPI 1588616072 · Family Medicine Physician · Naples, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Diaz, MD is a Family Medicine Physician provider in Naples, FL (NPI 1588616072).
Provider details
- NPI number
- 1588616072
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME34948 (FL)
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
20 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
2,202 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 454 | $129 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 340 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 315 | $13 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 273 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 150 | $16 |
| Uric Acid Level, Blood84550 | 149 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 358 | 108 |
| Ezetimibe | 326 | 107 |
| Evolocumabbrand: Repatha Sureclick | 228 | 45 |
| Levothyroxine Sodium | 163 | 47 |
| Carvedilol | 126 | 33 |
| Icosapent Ethylbrand: Vascepa | 117 | 31 |
| Amlodipine Besylate | 85 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,789 across 85 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
- 2006-05-16
- Last updated
- 2025-04-24
- Certified
- 2025-04-24
Frequently asked questions
- What is John Diaz's NPI number?
- John Diaz's National Provider Identifier (NPI) is 1588616072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Diaz's specialty?
- John Diaz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Diaz located?
- John Diaz's practice location on file with NPPES is 5470 Bryson Ct, Naples, FL 34109-6000.
- What is John Diaz's phone number?
- The practice phone number listed in the NPPES registry for John Diaz is (239) 631-9832.
- Does John Diaz accept Medicare?
- John Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Diaz's NPI active?
- Yes — John Diaz's NPI (1588616072) is active in the NPPES registry as of the last update on 2025-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.