Dr. Javier J. Lopez Araujo, MD

  • San Juan, PR
  • Radiation oncologist
NPI1568770063PAC ID8921244690
Medicare services, 2024
94
Medicare patients, 2024
26
Part D claims, 2024
217
Hospital affiliations
1
Industry payments
$2,413
Practice address
735 Ave Ponce De Leon, San Juan, PR 00917
Practice phone
Call (787) 777-8181
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Endourological Institute Inc

San Juan, Puerto Rico

See all 9 affiliations

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Dr. Javier J. Lopez Araujo is a radiation oncologist in San Juan, Puerto Rico

Dr. Lopez Araujo practices at Endourological Institute Inc in San Juan, Puerto Rico.

Dr. Lopez Araujo's NPI, 1568770063, was assigned on September 17, 2010. Dr. Lopez Araujo graduated from University Central Del Caribe Escuela De Medicina in 2010. Dr. Lopez Araujo holds Puerto Rico license 19101.

NPI and contact details
Medicare PAC ID
8921244690
NPI enumeration date
September 17, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(787) 777-8181
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. Javier J. Lopez Araujo practices at Endourological Institute Inc in San Juan, Puerto Rico

Dr. Lopez Araujo's primary practice is Endourological Institute Inc, at 735 Ave Ponce De Leon, San Juan, PR 00917 in San Juan County. The practice phone is (787) 777-8181.

  • Endourological Institute Inc
    735 Ave Ponce De Leon, San Juan, PR 00917 · San Juan CountyPhone(787) 777-8181

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

Dr. Javier J. Lopez Araujo is affiliated with 5 sites of care and 4 medical groups

Dr. Lopez Araujo's primary practice is Endourological Institute Inc in San Juan, Puerto Rico. Dr. Lopez Araujo is also affiliated with Hospital Auxilio Mutuo. The medical group on file is HIMA San Pablo Caguas Hospital. Dmand AI also links Dr. Lopez Araujo to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Dr. Lopez Araujo

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. Javier J. Lopez Araujo's practice

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

EHR by site
SiteEHR vendor and product
Endourological Institute IncAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Javier J. Lopez Araujo is one of 20 radiation oncologists in Puerto Rico

Radiation oncology is Dr. Lopez Araujo's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Lopez Araujo is licensed in Puerto Rico.

Specialties and state licenses

  • Radiation oncology, Puerto RicoPrimaryLicense 19101 · taxonomy 2085R0001X

Radiation oncologists near Dr. Lopez Araujo

Counts of radiation oncologists 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. Javier J. Lopez Araujo billed Medicare for 94 services in 2024

CMS data shows 94 Medicare services from Dr. Lopez Araujo across 1 procedure code in 2024, for 26 Medicare patients. Medicare paid $8,809 for them. Every service was in an office.

Medicare services, 202494
Medicare patients26
Paid by Medicare$8,809
Procedure codes1

Dr. Lopez Araujo's Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Imaging
2021: 2912024: 9468%
Other services
2021: 5112024: 0100%

Dr. Lopez Araujo compared with the Puerto Rico median for radiation oncologists, 2024

  • Dr. Lopez Araujo
  • Puerto Rico median
Medicare services
94vs 5959% above
Medicare patients
26vs 2030% above
Part D claims
138vs 602.3 times

Medians across 18 radiation oncologists in Puerto Rico with Dmand AI profiles that report each measure.

Dr. Lopez Araujo's most billed Medicare procedure codes, 2024

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. Lopez Araujo

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

Dr. Javier J. Lopez Araujo treated 26 Medicare patients in 2024, average age 74

CMS counts 26 Medicare patients who saw Dr. Lopez Araujo in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.53, 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. Lopez Araujo's median patient age at 81, with 17% women.

Medicare patients, 202426
Average age74
Average risk score1.53

Dr. Lopez Araujo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Lopez Araujo's Medicare patients by sex, 2024

  • Women1350%
  • Men1350%

Chronic conditions among Dr. Lopez Araujo's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol73%
  4. Diabetes46%
  5. Arthritis42%

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

Dr. Lopez Araujo's patients across all payers

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

Patient panel by age, all payers

Median age 81

Patient panel by sex, all payers

  • Women17%
  • Men83%

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

Dr. Javier J. Lopez Araujo wrote 217 Medicare Part D claims in 2024

In 2024, Dr. Lopez Araujo wrote 217 Medicare Part D claims for 87 patients. 94% of them were for generic drugs. CMS names the drug for 138 of them, across 6 drugs with 11 or more claims each, at $1,015 in total drug cost. In 2023, CMS named 142 claims across 6 drugs.

Part D claims, 2024217
Drugs named by CMS6
Total drug cost$1,015
Part D patients87

Dr. Lopez Araujo's Part D claims by kind of drug, 2024

  • Generic205 claims94%
  • Brand-name12 claims6%

Dr. Lopez Araujo'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. Lopez Araujo's Part D claims, 2024

  • Opioids12%25 of 217 claims
  • Antibiotics11%24 of 217 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: 1422024: 1383%

Drugs named by CMS: 6 in 2024, 6 in 2023.

See all prescribing by Dr. Lopez Araujo

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. Javier J. Lopez Araujo takes part in Medicare

Dr. Lopez Araujo 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)

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Dr. Javier J. Lopez Araujo received $2,413 in industry payments from 2016 to 2025

CMS Open Payments shows 28 general payments to Dr. Lopez Araujo from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Elekta, Inc. paid the most, $1,104.

General payments to Dr. Lopez Araujo by program year, 2016 to 2025

General payments to Dr. Lopez Araujo by kind, 2016 to 2025

$2.4Kin total
  • Food and beverage$2,38699%
  • Education$271%

Companies that paid Dr. Lopez Araujo the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lopez Araujo

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

Dr. Javier J. Lopez Araujo graduated from University Central Del Caribe Escuela De Medicina

Dr. Lopez Araujo graduated from University Central Del Caribe Escuela De Medicina in 2010.

  1. Medical schoolUniversity Central Del Caribe Escuela De Medicina

Source: Dmand AI Professional Profile Data

Sources for Dr. Javier J. Lopez Araujo'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)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Javier J. Lopez Araujo

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. Javier J. Lopez Araujo's NPI number?

Dr. Javier J. Lopez Araujo's NPI number is 1568770063. It was assigned on September 17, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Javier J. Lopez Araujo?

Dr. Javier J. Lopez Araujo is a radiation oncologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Javier J. Lopez Araujo practice?

Dr. Lopez Araujo practices at 735 Ave Ponce De Leon, San Juan, PR 00917. Dr. Lopez Araujo's primary practice is Endourological Institute Inc in San Juan, Puerto Rico. Dmand AI also links Dr. Lopez Araujo to 3 group practices and clinics and 3 medical groups.

What is Dr. Javier J. Lopez Araujo's office phone number?

The practice phone on file for Dr. Lopez Araujo is (787) 777-8181.

What is Dr. Javier J. Lopez Araujo's medical license number?

Dr. Lopez Araujo holds Puerto Rico license 19101.

Which hospitals is Dr. Javier J. Lopez Araujo affiliated with?

Dr. Lopez Araujo is affiliated with Hospital Auxilio Mutuo.

What medical group is Dr. Javier J. Lopez Araujo part of?

Dr. Lopez Araujo is linked to HIMA San Pablo Caguas Hospital. Dmand AI links Dr. Lopez Araujo to 3 more medical groups.

Does Dr. Javier J. Lopez Araujo accept Medicare?

Yes. CMS data shows Dr. Lopez Araujo billed Medicare for 94 services in 2024, and Dr. Lopez Araujo accepts Medicare assignment.

How many Medicare patients does Dr. Javier J. Lopez Araujo see?

CMS counts 26 Medicare patients who saw Dr. Lopez Araujo in 2024, with an average age of 74.

What services does Dr. Javier J. Lopez Araujo bill to Medicare?

In 2024, Dr. Lopez Araujo's most billed Medicare services were radiation oncology (77014).

Show 4 more questionsShow fewer questions

Where did Dr. Javier J. Lopez Araujo go to medical school?

Dr. Lopez Araujo graduated from University Central Del Caribe Escuela De Medicina in 2010.

What drugs does Dr. Javier J. Lopez Araujo prescribe most?

In 2024 Medicare Part D data, Dr. Lopez Araujo's most prescribed drugs by claims were Tamsulosin HCl, Ciprofloxacin HCl and Lorazepam.

Has Dr. Javier J. Lopez Araujo received payments from drug or device companies?

CMS Open Payments shows $2,413 in general payments to Dr. Lopez Araujo from 13 companies from 2016 to 2025. The largest total came from Elekta, Inc.

How long has Dr. Javier J. Lopez Araujo been practicing?

Dr. Lopez Araujo graduated from medical school in 2010, 16 years ago.

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