NPPES file of Aug 9, 2026

Carlos A. Ariza, M.D.

Internal Medicine Physician · Hato Rey, PR

Carlos A. Ariza, M.D. is an internal medicine physician with a practice address in Hato Rey, Puerto Rico, and NPI 1124219092, issued on Aug 6, 2007. Check the license (Puerto Rico 13016, 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
1124219092
Name
Carlos A. Ariza
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
13016 PR
Self-reported in NPPES; status is on the state search
Practice location
525 Ave. Roosevelt, Suite 905, Hato Rey, PR 00918
Phone
(787) 764-7166
Enumerated
Aug 6, 2007
Record last updated
Apr 15, 2026
Medicare enrollment
Enrolled (PECOS I20040401000999); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 1996
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 Carlos A. Ariza 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 13016
    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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8.2 times the Medicare Part D claims of the average internal medicine physician in 2024

26,165 Medicare Part D claims for 1,285 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Carlos Ariza26,165
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,780 claims
  2. Gabapentin1,358 claims
  3. Losartan Potassium927 claims
  4. Famotidine923 claims
  5. Metformin Hcl841 claims
  6. Levothyroxine Sodium833 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.

Bills Medicare through one group practice

  1. Physiotherapy Rehabilitation Services IncBayamon, PR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Carlos A. Ariza among 1,146 internal medicine physician records in Puerto Rico

Carlos A. Ariza, M.D. is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 79% 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 48% of them.

  • NPI issued2007 · 48% of these records are older, 41% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1996 · median 1996 among the 595 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 internal medicine physician records list a practice address in Hato Rey

They are 7 of the 292 NPPES records with a practice address in Hato Rey, and 1,146 internal medicine physician records in Puerto Rico.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dweepkumar Bangdiwala, M.D.San Juan, PR 009181770588428
  2. Susana Cantalapiedra, M.D.San Juan, PR 009181952300410
  3. Pablo Cruz Burgos, MDSan Juan, PR 009181922004134
  4. Luis Diaz-Maisonet, MDHato Rey, PR 009181447214192
  5. Carlos Gonzalez PonsSan Juan, PR 009181548218688
  6. Martin H Lugo Fagundo, MDSan Juan, PR 009181316944549
  7. Pedro Maldonado, M.D.San Juan, PR 009181033102652
  8. Jose Martinez Fernandez, MDSan Juan, PR 009181477542322

Common questions

What is Carlos A. Ariza, M.D.'s NPI number?

Carlos A. Ariza, M.D.'s National Provider Identifier (NPI) is 1124219092, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carlos A. Ariza, M.D. located?

The NPPES record lists a practice address at 525 Ave. Roosevelt, Suite 905, Hato Rey, PR, 00918. Phone: (787) 764-7166. Providers update this record themselves, so call before visiting.

How can I verify Carlos A. Ariza, M.D.'s license?

NPPES lists Puerto Rico license number 13016, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Carlos A. Ariza, M.D. prescribe under Medicare Part D?

In 2024, Carlos A. Ariza, M.D. had 26,165 Medicare Part D claims for 1,285 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.