Dr. Juan Oscar Rivera, MD

  • Mayaguez, PR
  • General practice physician
NPI1184859001PAC ID1850616889
Medicare services, 2024
437
Medicare patients, 2024
217
Part D claims, 2024
3,820
Hospital affiliations
1
Industry payments
$272
Practice address
Carr 2 Bo Sabalos, Mayaguez, PR 00682
Practice phone
Call (787) 652-9200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayagüez Medical Center

Hospital · Mayaguez, Puerto Rico

See all 5 affiliations

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Dr. Juan Oscar Rivera is a general practice physician in Mayaguez, Puerto Rico

Dr. Rivera practices at Mayagüez Medical Center in Mayaguez, Puerto Rico, part of Grupo Hospitalario.

Dr. Rivera's NPI, 1184859001, was assigned on May 20, 2009. Dr. Rivera holds Puerto Rico license 17554.

NPI and contact details
Medicare PAC ID
1850616889
NPI enumeration date
May 20, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(787) 652-9200
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Juan Oscar Rivera practices at 2 locations in Mayaguez, Puerto Rico

Dr. Rivera's primary practice is Mayagüez Medical Center, at Carr 2 Bo Sabalos, Mayaguez, PR 00682 in Mayaguez County. The practice phone is (787) 652-9200. Dr. Rivera also practices at Mayaguez Medical Center Dr Ramon Emeterio Betances Inc, 410 Ave Hostos, Mayaguez, PR 00682.

  • Mayagüez Medical CenterPrimary
    Carr 2 Bo Sabalos, Mayaguez, PR 00682 · Mayaguez CountyPhone(787) 652-9200
  • Mayaguez Medical Center Dr Ramon Emeterio Betances Inc
    410 Ave Hostos, Mayaguez, PR 00682 · Mayaguez CountyPhone(787) 652-9200

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

Dr. Juan Oscar Rivera is affiliated with 3 sites of care and 2 medical groups

Dr. Rivera's primary practice is Mayagüez Medical Center in Mayaguez, Puerto Rico, part of Grupo Hospitalario. The medical group on file is Mayaguez Medical Center Hospital Dr Ramon Emeterio Betances. Dmand AI also links Dr. Rivera to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Rivera's employer is on file too: a hospital.

See all 5 affiliations for Dr. Rivera

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Juan Oscar Rivera's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayagüez Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Juan Oscar Rivera is one of 2,604 general practice physicians in Puerto Rico

General practice is Dr. Rivera's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Rivera is licensed in Puerto Rico.

Specialties and state licenses

  • General practice, Puerto RicoPrimaryLicense 17554 · taxonomy 208D00000X

General practice physicians near Dr. Rivera

Counts of general practice physicians 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. Juan Oscar Rivera billed Medicare for 437 services in 2024

CMS data shows 437 Medicare services from Dr. Rivera across 2 procedure codes in 2024, for 217 Medicare patients. Medicare paid $12,241 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024437
Medicare patients217
Paid by Medicare$12,241
Procedure codes2

Dr. Rivera's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2642024: 264No change
Tests and treatments
2023: 1992024: 17313%

Dr. Rivera compared with the Puerto Rico median for general practice physicians, 2024

  • Dr. Rivera
  • Puerto Rico median
Medicare services
437vs 3412.9 times
Medicare patients
217vs 1911.4 times
Part D claims
3,319vs 7354.5 times

Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.

Dr. Rivera'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. Rivera

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

Dr. Juan Oscar Rivera treated 217 Medicare patients in 2024, average age 76

CMS counts 217 Medicare patients who saw Dr. Rivera in 2024. The largest group is 75 to 84, with 79 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.79, 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. Rivera's median patient age at 82, with 33% women.

Medicare patients, 2024217
Average age76
Average risk score1.79
Also on Medicaid20%

Dr. Rivera's Medicare patients by age, 2024

Dr. Rivera's Medicare patients by sex, 2024

  • Women9946%
  • Men11854%

Chronic conditions among Dr. Rivera's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol65%
  3. Diabetes45%
  4. Ischemic heart disease35%
  5. Chronic kidney disease33%
  6. Heart failure31%
  7. Arthritis30%
  8. Anxiety19%

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

Dr. Rivera's patients across all payers

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

Patient panel by age, all payers

Median age 82

Patient panel by sex, all payers

  • Women33%
  • Men67%

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

Dr. Juan Oscar Rivera wrote 3,820 Medicare Part D claims in 2024

In 2024, Dr. Rivera wrote 3,820 Medicare Part D claims for 355 patients. 91% of them were for generic drugs. CMS names the drug for 3,319 of them, across 74 drugs with 11 or more claims each, at $90,473 in total drug cost. In 2023, CMS named 3,027 claims across 72 drugs.

Part D claims, 20243,820
Drugs named by CMS74
Total drug cost$90,473
Part D patients355

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

  • Generic3,475 claims91%
  • Brand-name330 claims9%
  • Other15 claims0%

Dr. Rivera'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. Rivera's Part D claims, 2024

  • Antibiotics3%128 of 3,820 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: 3,0272024: 3,31910%

Drugs named by CMS: 74 in 2024, 72 in 2023.

See all prescribing by Dr. Rivera

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. Juan Oscar Rivera takes part in Medicare

Dr. Rivera 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. Juan Oscar Rivera received $272 in industry payments from 2018 to 2024

CMS Open Payments shows 10 general payments to Dr. Rivera from 6 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Asahi Intecc USA Inc paid the most, $82.

General payments to Dr. Rivera by program year, 2018 to 2024

Companies that paid Dr. Rivera the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Rivera

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

Sources for Dr. Juan Oscar Rivera'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand 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. Juan Oscar Rivera

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. Juan Oscar Rivera's NPI number?

Dr. Juan Oscar Rivera's NPI number is 1184859001. It was assigned on May 20, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Juan Oscar Rivera?

Dr. Juan Oscar Rivera is a general practice physician in Mayaguez, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Juan Oscar Rivera practice?

Dr. Rivera practices at Carr 2 Bo Sabalos, Mayaguez, PR 00682. Dr. Rivera also practices at 410 Ave Hostos, Mayaguez, PR 00682. Dr. Rivera's primary practice is Mayagüez Medical Center in Mayaguez, Puerto Rico, part of Grupo Hospitalario. Dmand AI also links Dr. Rivera to 2 group practices and clinics and 1 medical group.

What is Dr. Juan Oscar Rivera's office phone number?

The practice phone on file for Dr. Rivera is (787) 652-9200.

What is Dr. Juan Oscar Rivera's medical license number?

Dr. Rivera holds Puerto Rico license 17554.

Which hospitals is Dr. Juan Oscar Rivera affiliated with?

Dr. Rivera practices at Mayagüez Medical Center in Mayaguez, Puerto Rico.

What medical group is Dr. Juan Oscar Rivera part of?

Dr. Rivera is linked to Mayaguez Medical Center Hospital Dr Ramon Emeterio Betances. Dmand AI links Dr. Rivera to 1 more medical group.

Does Dr. Juan Oscar Rivera accept Medicare?

Yes. CMS data shows Dr. Rivera billed Medicare for 437 services in 2024, and Dr. Rivera accepts Medicare assignment.

How many Medicare patients does Dr. Juan Oscar Rivera see?

CMS counts 217 Medicare patients who saw Dr. Rivera in 2024, with an average age of 76.

What services does Dr. Juan Oscar Rivera bill to Medicare?

In 2024, Dr. Rivera's most billed Medicare services were emergency department visit (99283) and heart test or procedure (93010).

Show 3 more questionsShow fewer questions

What drugs does Dr. Juan Oscar Rivera prescribe most?

In 2024 Medicare Part D data, Dr. Rivera's most prescribed drugs by claims were Cilostazol, Gabapentin and Rosuvastatin Calcium.

Has Dr. Juan Oscar Rivera received payments from drug or device companies?

CMS Open Payments shows $272 in general payments to Dr. Rivera from 6 companies from 2018 to 2024. The largest total came from Asahi Intecc USA Inc.

How long has Dr. Juan Oscar Rivera been practicing?

Dr. Rivera graduated from medical school in 2007, 19 years ago.

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