NPPES file of Aug 9, 2026

Paco M. Diaz-Pares, MD

Infectious Disease Physician · Arecibo, PR

Paco M. Diaz-Pares, MD is an infectious disease physician with a practice address in Arecibo, Puerto Rico, and NPI 1609011295, issued on Dec 10, 2008. Check the license (Puerto Rico 18236, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609011295
Name
Paco M. Diaz-Pares
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
18236 PR
27229 PR
Self-reported in NPPES; status is on the state search
Practice location
PR 129 KM 1.0 Ave San Luis, Arecibo, PR 00613
Phone
(787) 650-7272
Enumerated
Dec 10, 2008
Record last updated
May 13, 2026
Fax
(787) 650-7248
Medicare enrollment
Enrolled (PECOS I20121010000281); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Paco M. Diaz-Pares in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 18236
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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31% fewer Medicare Part D claims than the average infectious disease physician in 2024

475 Medicare Part D claims for 190 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Paco Diaz-Pares475
  2. Specialty average689

Most prescribed

  1. Amoxicillin-Clavulanate Potass56 claims
  2. Doxycycline Hyclate37 claims
  3. Fluconazole36 claims
  4. Levofloxacin30 claims
  5. Omeprazole29 claims
  6. Metronidazole23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $414.42

11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Paco Diaz-Pares$414.42
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Paco M. Diaz-Pares among 120 infectious disease physician records in Puerto Rico

Paco M. Diaz-Pares, MD is one of 120 infectious disease physician records with a practice address in Puerto Rico. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2005 · median 2004 among the 90 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Puerto Rico

There are 120 infectious disease physician records in Puerto Rico.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Marisol Santiago Irizarry, M.D.Arecibo, PR 006131144776063
  2. Wanda Torres-Lopez, MDArecibo, PR 006131508925868
  3. John SepulvedaArecibo, PR 006121619013109
  4. Cecile Navarro Santana, MDAguadilla, PR 006031215969084
  5. Sandra Maldonado-Rivera, M.D.Dorado, PR 006461891980892
  6. Even Cedeno Cedeno, MDGuayanilla, PR 006561063673697
  7. Diego Canabal Lopez, MDIsabela, PR 006621568922201
  8. Mariela Hernandez Cajigas, M.D.Lares, PR 006691366869323

Common questions

What is Paco M. Diaz-Pares, MD's NPI number?

Paco M. Diaz-Pares, MD's National Provider Identifier (NPI) is 1609011295, issued on Dec 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Paco M. Diaz-Pares, MD located?

The NPPES record lists a practice address at PR 129 KM 1.0 Ave San Luis, Arecibo, PR, 00613. Phone: (787) 650-7272. Providers update this record themselves, so call before visiting.

How can I verify Paco M. Diaz-Pares, MD's license?

NPPES lists Puerto Rico license number 18236, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Paco M. Diaz-Pares, MD prescribe under Medicare Part D?

In 2024, Paco M. Diaz-Pares, MD had 475 Medicare Part D claims for 190 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.