NPPES file of Aug 9, 2026

Nixzaliz Rodriguez Rivera, M. D.

Endocrinology, Diabetes & Metabolism Physician · Ponce, PR

Nixzaliz Rodriguez Rivera, M. D. is an endocrinology, diabetes & metabolism physician with a practice address in Ponce, Puerto Rico, and NPI 1801031471, issued on Dec 10, 2008. Check the license (Puerto Rico 17383, 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
1801031471
Name
Nixzaliz Rodriguez Rivera
Credential
M. D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
17383 PR
Self-reported in NPPES; status is on the state search
Practice location
Urb San Antonio 1646, Ponce, PR 00728
Phone
(787) 284-7256
Enumerated
Dec 10, 2008
Record last updated
Jan 30, 2024
Medicare enrollment
Enrolled (PECOS I20100421000824); 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 Nixzaliz Rodriguez Rivera 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 17383
    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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7.4 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024

19,499 Medicare Part D claims for 1,359 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Nixzaliz Rodriguez Rivera19,499
  2. Specialty average2,630

Most prescribed

  1. Synthroid4,069 claims
  2. Farxiga974 claims
  3. Glipizide Er807 claims
  4. Rosuvastatin Calcium760 claims
  5. Metformin Hcl Er759 claims
  6. Lantus700 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: $971.62

29 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nixzaliz Rodriguez Rivera$971.62
  2. Specialty average$5,742.15

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

Nixzaliz Rodriguez Rivera among 144 endocrinology, diabetes & metabolism physician records in Puerto Rico

Nixzaliz Rodriguez Rivera, M. D. is one of 144 endocrinology, diabetes & metabolism physician records with a practice address in Puerto Rico. 97% 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 42% of them.

  • NPI issued2008 · 42% of these records are older, 51% newer
  • In a Medicare fileYes · 97% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated2012 · median 2007 among the 119 with a school on file
  • Record last updated2024 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Puerto Rico

There are 144 endocrinology, diabetes & metabolism physician records in Puerto Rico.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Viviana Ortiz SantiagoCaguas, PR 007271407114945
  2. Laurianne El Musa Penna, MD, MPHPonce, PR 007301629561527
  3. Nicolle Canales Ramos, MDCaguas, PR 007251740636026
  4. Amilcar Cintron, M.D.Caguas, PR 007251790751931
  5. Alberto Grana Santini, MDCaguas, PR 007251366829731
  6. Ivan Laboy-Ortiz, M.D.Caguas, PR 007251245565696
  7. Edna Melendez Reyes, MDCaguas, PR 007251922091784
  8. Andres Ortiz Nieves, MDPonce, PR 007311831449560

Common questions

What is Nixzaliz Rodriguez Rivera, M. D.'s NPI number?

Nixzaliz Rodriguez Rivera, M. D.'s National Provider Identifier (NPI) is 1801031471, issued on Dec 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nixzaliz Rodriguez Rivera, M. D. located?

The NPPES record lists a practice address at Urb San Antonio 1646, Ponce, PR, 00728. Phone: (787) 284-7256. Providers update this record themselves, so call before visiting.

How can I verify Nixzaliz Rodriguez Rivera, M. D.'s license?

NPPES lists Puerto Rico license number 17383, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Nixzaliz Rodriguez Rivera, M. D. prescribe under Medicare Part D?

In 2024, Nixzaliz Rodriguez Rivera, M. D. had 19,499 Medicare Part D claims for 1,359 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.