Dr. Jose A. Rivera Santiago, MD
- Medicare services, 2024
- 80
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 19,038
- Hospital affiliations
- 1
- Industry payments
- $2,534
- Practice address
- 15 Dr Basora Street, Mayaguez, PR 00681
- Practice phone
- Call (787) 834-0101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rivera Santiago'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. Jose A. Rivera Santiago is an internist in Mayaguez, Puerto Rico
Dr. Rivera Santiago practices at Hospital Perea, Mayagüez in Mayaguez, Puerto Rico, part of Metro Pavia Health System.
Dr. Rivera Santiago's NPI, 1811163843, was assigned on April 30, 2008. Dr. Rivera Santiago holds Puerto Rico license 11060.
- NPI
- 1811163843NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143309310
- NPI enumeration date
- April 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 834-0101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jose A. Rivera Santiago practices at Hospital Perea, Mayagüez in Mayaguez, Puerto Rico
Dr. Rivera Santiago's primary practice is Hospital Perea, Mayagüez, at 15 Dr Basora Street, Mayaguez, PR 00681 in Mayaguez County. The practice phone is (787) 834-0101.
- Hospital Perea, Mayagüez15 Dr Basora Street, Mayaguez, PR 00681 · Mayaguez CountyPhone(787) 834-0101
Source: Dmand AI Affiliation Data
Dr. Jose A. Rivera Santiago is affiliated with 2 sites of care
Dr. Rivera Santiago's primary practice is Hospital Perea, Mayagüez in Mayaguez, Puerto Rico, part of Metro Pavia Health System. Dmand AI also links Dr. Rivera Santiago to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jose A. Rivera Santiago's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera Santiago practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Perea, Mayagüez | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Metro Pavia Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jose A. Rivera Santiago is one of 805 internists in Puerto Rico
Internal medicine is Dr. Rivera Santiago's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rivera Santiago is licensed in Puerto Rico.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
Internists near Dr. Rivera Santiago
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. Jose A. Rivera Santiago billed Medicare for 80 services in 2024
CMS data shows 80 Medicare services from Dr. Rivera Santiago across 2 procedure codes in 2024, all of them office visits, for 21 Medicare patients. Medicare paid $5,617 for them. Every service was in an office.
Dr. Rivera Santiago's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 872024: 808%
Dr. Rivera Santiago compared with the Puerto Rico median for internists, 2024
- Dr. Rivera Santiago
- Puerto Rico median
- Medicare services
- 80vs 5060% above
- Medicare patients
- 21vs 239% below
- Part D claims
- 18,403vs 2,7286.7 times
Medians across 820 internists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Rivera Santiago'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rivera Santiago and other internists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jose A. Rivera Santiago treated 21 Medicare patients in 2024, average age 79
CMS counts 21 Medicare patients who saw Dr. Rivera Santiago in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rivera Santiago's median patient age at 81, with 67% women.
Chronic conditions among Dr. Rivera Santiago's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes71%
- Arthritis57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rivera Santiago'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
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jose A. Rivera Santiago wrote 19,038 Medicare Part D claims in 2024
In 2024, Dr. Rivera Santiago wrote 19,038 Medicare Part D claims for 621 patients. 89% of them were for generic drugs. CMS names the drug for 18,403 of them, across 161 drugs with 11 or more claims each, at $712,027 in total drug cost. In 2023, CMS named 20,864 claims across 178 drugs.
Dr. Rivera Santiago's Part D claims by kind of drug, 2024
- Generic16,976 claims89%
- Brand-name1,938 claims10%
- Other124 claims1%
Dr. Rivera Santiago'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 Santiago's Part D claims, 2024
- Opioids1%159 of 19,038 claims
- Antibiotics1%134 of 19,038 claims
- Antipsychotics, patients 65 and over0%52 of 19,038 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: 20,8642024: 18,40312%
Drugs named by CMS: 161 in 2024, 178 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. Jose A. Rivera Santiago takes part in Medicare
Dr. Rivera Santiago accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of nail tissue: 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. Jose A. Rivera Santiago received $2,534 in industry payments from 2016 to 2023
CMS Open Payments shows 97 general payments to Dr. Rivera Santiago from 12 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 83% of the total. AstraZeneca Pharmaceuticals LP paid the most, $933.
General payments to Dr. Rivera Santiago by program year, 2016 to 2023
General payments to Dr. Rivera Santiago by kind, 2016 to 2023
- Food and beverage$2,10783%
- Speaker and faculty fees$35014%
- Consulting fees$502%
- Education$281%
Companies that paid Dr. Rivera Santiago the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jose A. Rivera Santiago'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 | Dmand AI Affiliation 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)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. Jose A. Rivera Santiago
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. Jose A. Rivera Santiago's NPI number?
Dr. Jose A. Rivera Santiago's NPI number is 1811163843. It was assigned on April 30, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jose A. Rivera Santiago?
Dr. Jose A. Rivera Santiago is an internist in Mayaguez, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jose A. Rivera Santiago practice?
Dr. Rivera Santiago practices at 15 Dr Basora Street, Mayaguez, PR 00681. Dr. Rivera Santiago's primary practice is Hospital Perea, Mayagüez in Mayaguez, Puerto Rico, part of Metro Pavia Health System. Dmand AI also links Dr. Rivera Santiago to 1 physician office.
What is Dr. Jose A. Rivera Santiago's office phone number?
The practice phone on file for Dr. Rivera Santiago is (787) 834-0101.
What is Dr. Jose A. Rivera Santiago's medical license number?
Dr. Rivera Santiago holds Puerto Rico license 11060.
Which hospitals is Dr. Jose A. Rivera Santiago affiliated with?
Dr. Rivera Santiago practices at Hospital Perea, Mayagüez in Mayaguez, Puerto Rico.
Does Dr. Jose A. Rivera Santiago accept Medicare?
Yes. CMS data shows Dr. Rivera Santiago billed Medicare for 80 services in 2024, and Dr. Rivera Santiago accepts Medicare assignment.
How many Medicare patients does Dr. Jose A. Rivera Santiago see?
CMS counts 21 Medicare patients who saw Dr. Rivera Santiago in 2024, with an average age of 79.
What services does Dr. Jose A. Rivera Santiago bill to Medicare?
In 2024, Dr. Rivera Santiago's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
What drugs does Dr. Jose A. Rivera Santiago prescribe most?
In 2024 Medicare Part D data, Dr. Rivera Santiago's most prescribed drugs by claims were Losartan Potassium, Simvastatin and Gabapentin.
Has Dr. Jose A. Rivera Santiago received payments from drug or device companies?
CMS Open Payments shows $2,534 in general payments to Dr. Rivera Santiago from 12 companies from 2016 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Jose A. Rivera Santiago been practicing?
Dr. Rivera Santiago graduated from medical school in 1989, 37 years ago.
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