Dr. Arnaldo A. Nieves Ortiz, MD

  • Caguas, PR
  • Internist
NPI1730548967PAC ID7113283805
Medicare services, 2023
20
Medicare patients, 2024
12
Part D claims, 2024
2,894
Hospital affiliations
3
Industry payments
$2,636
Practice address
100 Ave Luis Munoz Marin, Caguas, PR 00725
Practice phone
Call (787) 620-9770
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hima San Pablo - Caguas

Caguas, Puerto Rico

See all 8 affiliations

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Dr. Arnaldo A. Nieves Ortiz is an internist in Caguas, Puerto Rico

Dr. Nieves Ortiz practices at Hima San Pablo - Caguas in Caguas, Puerto Rico.

Dr. Nieves Ortiz's NPI, 1730548967, was assigned on February 16, 2016. Dr. Nieves Ortiz holds Puerto Rico license 19697.

NPI and contact details
Medicare PAC ID
7113283805
NPI enumeration date
February 16, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(787) 620-9770
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Arnaldo A. Nieves Ortiz practices at Hima San Pablo - Caguas in Caguas, Puerto Rico

Dr. Nieves Ortiz's primary practice is Hima San Pablo - Caguas, at 100 Ave Luis Munoz Marin, Caguas, PR 00725 in Caguas County. The practice phone is (787) 620-9770.

  • Hima San Pablo - Caguas
    100 Ave Luis Munoz Marin, Caguas, PR 00725 · Caguas CountyPhone(787) 620-9770

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Arnaldo A. Nieves Ortiz is affiliated with 5 sites of care and 3 medical groups

Dr. Nieves Ortiz's primary practice is Hima San Pablo - Caguas in Caguas, Puerto Rico. Dr. Nieves Ortiz is also affiliated with Hospital Pavia Caguas. The medical group on file is Grupo Radiológico Hacaro. Dmand AI also links Dr. Nieves Ortiz to 2 more hospitals, 2 medical groups and 1 home health agency, each named with a free account.

See all 8 affiliations for Dr. Nieves Ortiz

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Arnaldo A. Nieves Ortiz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nieves Ortiz practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hima San Pablo - CaguasAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Arnaldo A. Nieves Ortiz is one of 805 internists in Puerto Rico

Internal medicine is Dr. Nieves Ortiz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nieves Ortiz is licensed in Puerto Rico.

Specialties and state licenses

  • Internal medicine, Puerto RicoPrimaryLicense 19697 · taxonomy 207R00000X

Internists near Dr. Nieves Ortiz

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Arnaldo A. Nieves Ortiz billed Medicare for 20 services in 2023

CMS data shows 20 Medicare services from Dr. Nieves Ortiz across 1 procedure code in 2023, for 12 Medicare patients. Medicare paid $1,808 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202320
Medicare patients12
Paid by Medicare$1,808
Procedure codes1

Dr. Nieves Ortiz's Medicare services by type, 2019 to 2023

  • 2019
  • 2023
Office and hospital visits
2019: 382023: 2047%
Tests and treatments
2019: 222023: 0100%

Dr. Nieves Ortiz compared with the Puerto Rico median for internists, 2023

  • Dr. Nieves Ortiz
  • Puerto Rico median
Medicare services
20vs 5060% below
Medicare patients
12vs 2348% below
Part D claims
2,525vs 2,7287% below

Medians across 820 internists in Puerto Rico with Dmand AI profiles that report each measure.

Dr. Nieves Ortiz's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Nieves Ortiz

Need commercial claims for Dr. Nieves Ortiz?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nieves Ortiz and other internists in Puerto Rico.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Arnaldo A. Nieves Ortiz treated 12 Medicare patients in 2024, average age 76

CMS counts 12 Medicare patients who saw Dr. Nieves Ortiz in 2024. 75% of them have high blood pressure. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Nieves Ortiz's median patient age at 77, with 59% women.

Medicare patients, 202412
Average age76
Average risk score2.02

Chronic conditions among Dr. Nieves Ortiz's Medicare patients, 2024

  1. High blood pressure75%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nieves Ortiz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Arnaldo A. Nieves Ortiz wrote 2,894 Medicare Part D claims in 2024

In 2024, Dr. Nieves Ortiz wrote 2,894 Medicare Part D claims for 620 patients. 83% of them were for generic drugs. CMS names the drug for 2,525 of them, across 51 drugs with 11 or more claims each, at $223,279 in total drug cost. In 2023, CMS named 131 claims across 9 drugs.

Part D claims, 20242,894
Drugs named by CMS51
Total drug cost$223,279
Part D patients620

Dr. Nieves Ortiz's Part D claims by kind of drug, 2024

  • Generic2,404 claims83%
  • Brand-name490 claims17%

Dr. Nieves Ortiz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Nieves Ortiz's Part D claims, 2024

  • Antibiotics7%193 of 2,894 claims
  • Antipsychotics, patients 65 and over1%20 of 2,894 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1312024: 2,5251827%

Drugs named by CMS: 51 in 2024, 9 in 2023.

See all prescribing by Dr. Nieves Ortiz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Arnaldo A. Nieves Ortiz takes part in Medicare

Dr. Nieves Ortiz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Arnaldo A. Nieves Ortiz received $2,636 in industry payments from 2019 to 2025

CMS Open Payments shows 74 general payments to Dr. Nieves Ortiz from 22 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $408.

General payments to Dr. Nieves Ortiz by program year, 2019 to 2025

Companies that paid Dr. Nieves Ortiz the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nieves Ortiz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Arnaldo A. Nieves Ortiz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Arnaldo A. Nieves Ortiz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Arnaldo A. Nieves Ortiz's NPI number?

Dr. Arnaldo A. Nieves Ortiz's NPI number is 1730548967. It was assigned on February 16, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Arnaldo A. Nieves Ortiz?

Dr. Arnaldo A. Nieves Ortiz is an internist in Caguas, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Arnaldo A. Nieves Ortiz practice?

Dr. Nieves Ortiz practices at 100 Ave Luis Munoz Marin, Caguas, PR 00725. Dr. Nieves Ortiz's primary practice is Hima San Pablo - Caguas in Caguas, Puerto Rico. Dmand AI also links Dr. Nieves Ortiz to 2 hospitals, 2 medical groups and 1 home health agency.

What is Dr. Arnaldo A. Nieves Ortiz's office phone number?

The practice phone on file for Dr. Nieves Ortiz is (787) 620-9770.

What is Dr. Arnaldo A. Nieves Ortiz's medical license number?

Dr. Nieves Ortiz holds Puerto Rico license 19697.

Which hospitals is Dr. Arnaldo A. Nieves Ortiz affiliated with?

Dr. Nieves Ortiz is affiliated with Hospital Pavia Caguas. Dmand AI links Dr. Nieves Ortiz to 2 more hospitals.

What medical group is Dr. Arnaldo A. Nieves Ortiz part of?

Dr. Nieves Ortiz is linked to Grupo Radiológico Hacaro. Dmand AI links Dr. Nieves Ortiz to 2 more medical groups.

Does Dr. Arnaldo A. Nieves Ortiz accept Medicare?

Yes. CMS data shows Dr. Nieves Ortiz billed Medicare for 20 services in 2023, and Dr. Nieves Ortiz accepts Medicare assignment.

How many Medicare patients does Dr. Arnaldo A. Nieves Ortiz see?

CMS counts 12 Medicare patients who saw Dr. Nieves Ortiz in 2024, with an average age of 76.

What services does Dr. Arnaldo A. Nieves Ortiz bill to Medicare?

In 2023, Dr. Nieves Ortiz's most billed Medicare services were emergency department visit (99284).

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What drugs does Dr. Arnaldo A. Nieves Ortiz prescribe most?

In 2024 Medicare Part D data, Dr. Nieves Ortiz's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Jardiance.

Has Dr. Arnaldo A. Nieves Ortiz received payments from drug or device companies?

CMS Open Payments shows $2,636 in general payments to Dr. Nieves Ortiz from 22 companies from 2019 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Dr. Arnaldo A. Nieves Ortiz been practicing?

Dr. Nieves Ortiz graduated from medical school in 2015, 11 years ago.

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