Arnaldo A. Nieves Ortiz, MD
Internal Medicine Physician · Caguas, PR
Arnaldo A. Nieves Ortiz, MD is an internal medicine physician with a practice address in Caguas, Puerto Rico, and NPI 1730548967, issued on Feb 16, 2016. Check the license (Puerto Rico 19697, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Arnaldo A. Nieves Ortiz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19697 PR
Self-reported in NPPES; status is on the state search - Practice location
- 100 Ave Luis Munoz Marin, Caguas, PR 00725
- Phone
- (787) 423-2261
- Enumerated
- Feb 16, 2016
- Record last updated
- Oct 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20171114000121); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Also registered at 100 Ave Luis Munoz Marin
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arnaldo A. Nieves Ortiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 19697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,894 Medicare Part D claims for 620 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium205 claims
- Metoprolol Succinate196 claims
- Jardiance167 claims
- Famotidine140 claims
- Furosemide129 claims
- Losartan Potassium112 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: $184.85
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Arnaldo A. Nieves Ortiz among 1,146 internal medicine physician records in Puerto Rico
Arnaldo A. Nieves Ortiz, MD 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 2016, is newer than 71% of them.
- NPI issued2016 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 1996 among the 595 with a school on file
- Record last updated2023 · 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).
58 internal medicine physician records list a practice address in Caguas
They are 58 of the 2,093 NPPES records with a practice address in Caguas, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in Caguas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andres Barcelo-Miller, M.DCaguas, PR 007251144244385
- David Carballeira, MDCaguas, PR 007251174524748
- Carmen Cortes, MDCaguas, PR 007251275538779
- Eduardo Diaz Del Valle, MDCaguas, PR 007251457339541
- Marco Feliciano, M.DCaguas, PR 007251033107172
- Anstrong Figueroa, M.D.Caguas, PR 007251750336921
- Wallace Laracuenta, M.DCaguas, PR 007251598788200
- Hector Martinez Torres, MDCaguas, PR 007251821032087
Common questions
What is Arnaldo A. Nieves Ortiz, MD's NPI number?
Arnaldo A. Nieves Ortiz, MD's National Provider Identifier (NPI) is 1730548967, issued on Feb 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Arnaldo A. Nieves Ortiz, MD located?
The NPPES record lists a practice address at 100 Ave Luis Munoz Marin, Caguas, PR, 00725. Phone: (787) 423-2261. Providers update this record themselves, so call before visiting.
How can I verify Arnaldo A. Nieves Ortiz, MD's license?
NPPES lists Puerto Rico license number 19697, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Arnaldo A. Nieves Ortiz, MD prescribe under Medicare Part D?
In 2024, Arnaldo A. Nieves Ortiz, MD had 2,894 Medicare Part D claims for 620 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.