Paco Diaz-Pares, MD
NPI 1609011295 · Infectious Disease Physician · Arecibo, PR
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paco Diaz-Pares, MD is a Infectious Disease Physician provider in Arecibo, PR (NPI 1609011295).
Provider details
- NPI number
- 1609011295
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18236 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
105 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 39 | $110 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 34 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $127 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $168 |
Typical Medicare-allowed amounts for these services range $74–$168 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 56 | 43 |
| Doxycycline Hyclate | 37 | 31 |
| Fluconazole | 36 | 33 |
| Levofloxacin | 30 | 28 |
| Omeprazole | 29 | 25 |
| Metronidazole | 23 | 22 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 22 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$414 across 11 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
Additional practice locations (1)
- 55 Calle PalmaArecibo, PR 00612-4526Phone: (787) 650-1030
Registry dates
- Enumerated
- 2008-12-10
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Paco Diaz-Pares's NPI number?
- Paco Diaz-Pares's National Provider Identifier (NPI) is 1609011295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paco Diaz-Pares's specialty?
- Paco Diaz-Pares is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Paco Diaz-Pares located?
- Paco Diaz-Pares's practice location on file with NPPES is Pr 129 Km 1.0 Ave San Luis, Arecibo, PR 00613.
- What is Paco Diaz-Pares's phone number?
- The practice phone number listed in the NPPES registry for Paco Diaz-Pares is (787) 650-7272.
- Does Paco Diaz-Pares accept Medicare?
- Paco Diaz-Pares is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paco Diaz-Pares's NPI active?
- Yes — Paco Diaz-Pares's NPI (1609011295) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.