Dr. Samuel Rivera, MD
- Medicare services, 2023
- 14
- Part D claims, 2024
- 1,386
- Publications
- 1
- Industry payments
- $5,172
- Affiliated sites
- 1
- Practice address
- Calle Sgto. Hernandez Carrion, Manati, PR 00674
- Practice phone
- Call (787) 884-0310
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastrointestinal Diagnostic Clinic of Puerto Rico
Physician office · Manati, Puerto Rico
Find Dr. Rivera'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. Samuel Rivera is an internist in Bayamon, Puerto Rico
Dr. Rivera practices at Gastrointestinal Diagnostic Clinic of Puerto Rico in Manati, Puerto Rico.
Dr. Rivera's NPI, 1235334400, was assigned on June 18, 2007. Dr. Rivera graduated from University Central Del Caribe Escuela De Medicina in 2005. Dr. Rivera holds Puerto Rico license 18138.
- NPI
- 1235334400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507999422
- NPI enumeration date
- June 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 884-0310
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samuel Rivera practices in Manati and Bayamon
Dr. Rivera's primary practice is Gastrointestinal Diagnostic Clinic of Puerto Rico, at Calle Sgto. Hernandez Carrion, Manati, PR 00674. The practice phone is (787) 884-0310. The NPI Registry lists Dr. Rivera's practice address as DB-21 Lomas, Bayamon, PR 00961.
- Gastrointestinal Diagnostic Clinic of Puerto RicoPrimaryCalle Sgto. Hernandez Carrion, Manati, PR 00674Phone(787) 884-0310
- NPI Registry addressDB-21 Lomas, Bayamon, PR 00961 · Bayamon CountyPhone(787) 898-7990
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Samuel Rivera is affiliated with 1 site of care
Dr. Rivera's primary practice is Gastrointestinal Diagnostic Clinic of Puerto Rico in Manati, Puerto Rico.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Samuel Rivera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastrointestinal Diagnostic Clinic of Puerto Rico | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel Rivera is one of 805 internists in Puerto Rico
Internal medicine is Dr. Rivera's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Rivera's licenses on file in 2 states: Puerto Rico and Louisiana.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
- Louisiana license
Internists near Dr. Rivera
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. Samuel Rivera billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Rivera across 1 procedure code in 2023. Medicare paid $620 for them. Every service was in an office.
Dr. Rivera's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Other services
- 2022: 182023: 1422%
- Office and hospital visits
- 2022: 142023: 0100%
Dr. Rivera compared with the Puerto Rico median for internists, 2023
- Dr. Rivera
- Puerto Rico median
- Medicare services
- 14vs 5072% below
- Part D claims
- 1,193vs 2,72856% below
Medians across 820 internists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Rivera'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. Rivera and other internists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel Rivera's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Rivera's median patient age at 81, with 0% women.
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 81
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Samuel Rivera wrote 1,386 Medicare Part D claims in 2024
In 2024, Dr. Rivera wrote 1,386 Medicare Part D claims for 511 patients. 84% of them were for generic drugs. CMS names the drug for 1,193 of them, across 17 drugs with 11 or more claims each, at $144,285 in total drug cost. In 2023, CMS named 1,423 claims across 22 drugs.
Dr. Rivera's Part D claims by kind of drug, 2024
- Generic1,167 claims84%
- Brand-name219 claims16%
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
- Antibiotics5%73 of 1,386 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: 1,4232024: 1,19316%
Drugs named by CMS: 17 in 2024, 22 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
Dr. Samuel Rivera ranks in the 82nd percentile for colonoscopy in Medicare
Dr. Rivera accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 113 procedures of colonoscopy by Dr. Rivera, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Rivera ranks in Medicare procedure volume
- Colonoscopy
- 82nd percentile113 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 70th percentile71 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Samuel Rivera has 1 publication on record
Dmand AI links 1 paper to Dr. Rivera in 2024.
Recent publications by Dr. Rivera
See who Dr. Rivera researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rivera works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Samuel Rivera received $5,172 in industry payments from 2016 to 2025
CMS Open Payments shows 161 general payments to Dr. Rivera from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,971.
General payments to Dr. Rivera by program year, 2016 to 2025
General payments to Dr. Rivera by kind, 2016 to 2025
- Food and beverage$5,08798%
- Education$852%
Companies that paid Dr. Rivera the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samuel Rivera graduated from University Central Del Caribe Escuela De Medicina
Dr. Rivera graduated from University Central Del Caribe Escuela De Medicina in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Samuel 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 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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Samuel 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. Samuel Rivera's NPI number?
Dr. Samuel Rivera's NPI number is 1235334400. It was assigned on June 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel Rivera?
Dr. Samuel Rivera is an internist in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samuel Rivera practice?
Dr. Rivera practices at Calle Sgto. Hernandez Carrion, Manati, PR 00674. Dr. Rivera also practices at DB-21 Lomas, Bayamon, PR 00961. Dr. Rivera's primary practice is Gastrointestinal Diagnostic Clinic of Puerto Rico in Manati, Puerto Rico.
What is Dr. Samuel Rivera's office phone number?
The practice phone on file for Dr. Rivera is (787) 884-0310.
What is Dr. Samuel Rivera's medical license number?
Dr. Rivera holds Puerto Rico license 18138, one of the licenses on file in 2 states.
Which states has Dr. Samuel Rivera been licensed in?
Dmand AI has state licenses on file for Dr. Rivera in Puerto Rico and Louisiana.
Does Dr. Samuel Rivera accept Medicare?
Yes. CMS data shows Dr. Rivera billed Medicare for 14 services in 2023, and Dr. Rivera accepts Medicare assignment.
What services does Dr. Samuel Rivera bill to Medicare?
In 2023, Dr. Rivera's most billed Medicare services were medicare service (G0500).
Where did Dr. Samuel Rivera go to medical school?
Dr. Rivera graduated from University Central Del Caribe Escuela De Medicina in 2005.
What drugs does Dr. Samuel Rivera prescribe most?
In 2024 Medicare Part D data, Dr. Rivera's most prescribed drugs by claims were Midazolam HCl, Omeprazole and Fentanyl Citrate.
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Has Dr. Samuel Rivera received payments from drug or device companies?
CMS Open Payments shows $5,172 in general payments to Dr. Rivera from 9 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Samuel Rivera been practicing?
Dr. Rivera graduated from medical school in 2005, 21 years ago.
Does Dr. Samuel Rivera do research?
Dmand AI links 1 publication to Dr. Rivera.
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