Dr. Juan Oscar Rivera, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rivera's professional email, personal email and mobile number
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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
- 1184859001NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850616889
- NPI enumeration date
- May 20, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 652-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 CenterPrimaryCarr 2 Bo Sabalos, Mayaguez, PR 00682 · Mayaguez CountyPhone(787) 652-9200
- Mayaguez Medical Center Dr Ramon Emeterio Betances Inc410 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.
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.
| Site | EHR vendor and product |
|---|---|
| Mayagüez Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available 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 RicoPrimary
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.
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.
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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.
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
- High blood pressure75%
- High cholesterol65%
- Diabetes45%
- Ischemic heart disease35%
- Chronic kidney disease33%
- Heart failure31%
- Arthritis30%
- 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.
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.
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.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Juan Oscar Rivera's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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).
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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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