Dr. Jean Riviere William, MD
- Medicare services, 2023
- 13
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 211
- Hospital affiliations
- 1
- Industry payments
- $6,436
- Practice address
- 1485 Ave Ashford, San Juan, PR 00907
- Practice phone
- Call (787) 621-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Manati Medical Center
San Juan, Puerto Rico
Find Dr. Riviere William's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jean Riviere William is a general surgeon in San Juan, Puerto Rico
Dr. Riviere William practices at Manati Medical Center in San Juan, Puerto Rico.
Dr. Riviere William's NPI, 1427198746, was assigned on February 7, 2007. Dr. Riviere William holds Puerto Rico license 14781.
- NPI
- 1427198746NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739141987
- NPI enumeration date
- February 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 621-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jean Riviere William practices at Manati Medical Center in San Juan, Puerto Rico
Dr. Riviere William's primary practice is Manati Medical Center, at 1485 Ave Ashford, San Juan, PR 00907 in San Juan County. The practice phone is (787) 621-3700.
- Manati Medical Center1485 Ave Ashford, San Juan, PR 00907 · San Juan CountyPhone(787) 621-3700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jean Riviere William is affiliated with 3 sites of care
Dr. Riviere William's primary practice is Manati Medical Center in San Juan, Puerto Rico. Dr. Riviere William is also affiliated with Manatí Medical Center. Dmand AI also links Dr. Riviere William to 1 more physician office, named with a free account.
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. Jean Riviere William's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riviere William practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manati Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jean Riviere William is one of 168 general surgeons in Puerto Rico
Surgery is Dr. Riviere William's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Riviere William is licensed in Puerto Rico.
Specialties and state licenses
- Surgery, Puerto RicoPrimary
General surgeons near Dr. Riviere William
Counts of general surgeons 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. Jean Riviere William billed Medicare for 13 services in 2023
CMS data shows 13 Medicare services from Dr. Riviere William across 1 procedure code in 2023, all of them office visits, for 11 Medicare patients. Medicare paid $741 for them. Every service was in an office.
Dr. Riviere William's Medicare services by type, 2020 to 2023
- 2020
- 2023
- Office and hospital visits
- 2020: 132023: 13No change
Dr. Riviere William compared with the Puerto Rico median for general surgeons, 2023
- Dr. Riviere William
- Puerto Rico median
- Medicare services
- 13vs 1932% below
- Medicare patients
- 11vs 1839% below
- Part D claims
- 198vs 513.9 times
Medians across 167 general surgeons in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Riviere William'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riviere William and other general surgeons in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jean Riviere William treated 11 Medicare patients in 2024, average age 74
CMS counts 11 Medicare patients who saw Dr. Riviere William in 2024. The largest group is under 65, with 0 patients. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Riviere William's median patient age at 46, with 67% women.
Dr. Riviere William's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Riviere William's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jean Riviere William wrote 211 Medicare Part D claims in 2024
In 2024, Dr. Riviere William wrote 211 Medicare Part D claims for 197 patients. 99% of them were for generic drugs. CMS names the drug for 198 of them, across 2 drugs with 11 or more claims each, at $2,354 in total drug cost. In 2023, CMS named 224 claims across 2 drugs.
Dr. Riviere William's Part D claims by kind of drug, 2024
- Generic208 claims99%
- Brand-name and other3 claims1%
Dr. Riviere William'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. Riviere William's Part D claims, 2024
- Antibiotics97%205 of 211 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: 2242024: 19812%
Drugs named by CMS: 2 in 2024, 2 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. Jean Riviere William takes part in Medicare
Dr. Riviere William accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jean Riviere William received $6,436 in industry payments from 2016 to 2025
CMS Open Payments shows 46 general payments to Dr. Riviere William from 8 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 53% of the total. Novadaq Technologies Inc. paid the most, $2,315.
General payments to Dr. Riviere William by program year, 2016 to 2025
General payments to Dr. Riviere William by kind, 2016 to 2025
- Travel and lodging$3,43053%
- Food and beverage$2,70742%
- Consulting fees$3005%
Companies that paid Dr. Riviere William the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jean Riviere William'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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. Jean Riviere William
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. Jean Riviere William's NPI number?
Dr. Jean Riviere William's NPI number is 1427198746. It was assigned on February 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jean Riviere William?
Dr. Jean Riviere William is a general surgeon in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jean Riviere William practice?
Dr. Riviere William practices at 1485 Ave Ashford, San Juan, PR 00907. Dr. Riviere William's primary practice is Manati Medical Center in San Juan, Puerto Rico. Dmand AI also links Dr. Riviere William to 1 physician office.
What is Dr. Jean Riviere William's office phone number?
The practice phone on file for Dr. Riviere William is (787) 621-3700.
What is Dr. Jean Riviere William's medical license number?
Dr. Riviere William holds Puerto Rico license 14781.
Which hospitals is Dr. Jean Riviere William affiliated with?
Dr. Riviere William is affiliated with Manatí Medical Center.
Does Dr. Jean Riviere William accept Medicare?
Yes. CMS data shows Dr. Riviere William billed Medicare for 13 services in 2023, and Dr. Riviere William accepts Medicare assignment.
How many Medicare patients does Dr. Jean Riviere William see?
CMS counts 11 Medicare patients who saw Dr. Riviere William in 2024, with an average age of 74.
What services does Dr. Jean Riviere William bill to Medicare?
In 2023, Dr. Riviere William's most billed Medicare services were office visit, new patient (99203).
What drugs does Dr. Jean Riviere William prescribe most?
In 2024 Medicare Part D data, Dr. Riviere William's most prescribed drugs by claims were Cefadroxil and Clindamycin HCl.
Has Dr. Jean Riviere William received payments from drug or device companies?
CMS Open Payments shows $6,436 in general payments to Dr. Riviere William from 8 companies from 2016 to 2025. The largest total came from Novadaq Technologies Inc.
How long has Dr. Jean Riviere William been practicing?
Dr. Riviere William graduated from medical school in 1998, 28 years ago.
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