NPPES file of Aug 9, 2026

Antonio Luis Diaz Hernandez, MD

Nephrology Physician · San Juan, PR

Antonio Luis Diaz Hernandez, MD is a nephrology physician with a practice address in San Juan, Puerto Rico, and NPI 1003016775, issued on Jul 20, 2007. Check the license (Puerto Rico 17173, 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
1003016775
Name
Antonio Luis Diaz Hernandez
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
17173 PR
26095 PR
Self-reported in NPPES; status is on the state search
Practice location
1492 Ave LA Constitucion Suite 717, San Juan, PR 00907
Phone
(787) 723-5017
Enumerated
Jul 20, 2007
Record last updated
Oct 26, 2022
Medicare enrollment
Enrolled (PECOS I20100730000851); accepts Medicare assignment
Medical or professional school
Ponce School Of Medicine, 2005
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 Antonio Luis Diaz Hernandez 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 17173
    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
Find the Puerto Rico license search

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29% more Medicare Part D claims than the average nephrology physician in 2024

1,893 Medicare Part D claims for 169 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Antonio Diaz Hernandez1,893
  2. Specialty average1,465

Most prescribed

  1. Calcium Acetate203 claims
  2. Sevelamer Carbonate193 claims
  3. Lokelma135 claims
  4. Gabapentin92 claims
  5. Lanthanum Carbonate87 claims
  6. Farxiga74 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: $404.31

11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Antonio Diaz Hernandez$404.31
  2. Specialty average$3,091.37

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

Antonio Luis Diaz Hernandez among 152 nephrology physician records in Puerto Rico

Antonio Luis Diaz Hernandez, MD is one of 152 nephrology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 47% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2005 · median 2004 among the 124 with a school on file
  • Record last updated2022 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Puerto Rico

There are 152 nephrology physician records in Puerto Rico.

The 8 nephrology physician records with the nearest ZIP codes

  1. Cristy Martinez-Lopez, MDSan Juan, PR 009071023262110
  2. Maria Rivera Hernandez, MDSan Juan, PR 009071952895310
  3. Pedro Colton, M.D.San Juan, PR 009091104001270
  4. Adair Laboy Zengotita, M.D.Santurce, PR 009091952335481
  5. Avid Muniz, M.D.Santurce, PR 009091417919804
  6. Lillian Borrego Conde, MDSan Juan, PR 009171255417283
  7. Carlos Cortes-Sanchez, MDSan Juan, PR 009171407140064
  8. Nivia Cruz-Ortiz, M.D.San Juan, PR 009171447363130

Common questions

What is Antonio Luis Diaz Hernandez, MD's NPI number?

Antonio Luis Diaz Hernandez, MD's National Provider Identifier (NPI) is 1003016775, issued on Jul 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Antonio Luis Diaz Hernandez, MD located?

The NPPES record lists a practice address at 1492 Ave LA Constitucion Suite 717, San Juan, PR, 00907. Phone: (787) 723-5017. Providers update this record themselves, so call before visiting.

How can I verify Antonio Luis Diaz Hernandez, MD's license?

NPPES lists Puerto Rico license number 17173, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Antonio Luis Diaz Hernandez, MD prescribe under Medicare Part D?

In 2024, Antonio Luis Diaz Hernandez, MD had 1,893 Medicare Part D claims for 169 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.