Dr. Karines Rivera Marrero, MD
- Medicare services, 2024
- 35
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 71
- Hospital affiliations
- 2
- Industry payments
- $130
- Practice address
- Cont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc)
Surgical practice · San Juan, Puerto Rico
Find Dr. Rivera Marrero's professional email, personal email and mobile number
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Dr. Karines Rivera Marrero is an anesthesiologist in San Juan, Puerto Rico
Dr. Rivera Marrero practices at Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) in San Juan, Puerto Rico.
Dr. Rivera Marrero's NPI, 1780811331, was assigned on June 22, 2009. Dr. Rivera Marrero holds Puerto Rico license 18110.
- NPI
- 1780811331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274842877
- NPI enumeration date
- June 22, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karines Rivera Marrero practices at 2 locations in San Juan, Puerto Rico
Dr. Rivera Marrero's primary practice is Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc), at Cont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029. The NPI Registry lists Dr. Rivera Marrero's practice address as 1431 Ave Ponce De Leon, San Juan, PR 00907.
- Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc)PrimaryCont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029
- NPI Registry address1431 Ave Ponce De Leon, San Juan, PR 00907 · San Juan CountyPhone(787) 877-3331
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Karines Rivera Marrero is affiliated with 4 sites of care and 5 medical groups
Dr. Rivera Marrero's primary practice is Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) in San Juan, Puerto Rico. Dr. Rivera Marrero is also affiliated with Hospital Auxilio Mutuo. The medical group on file is Hospitalist Medical Services. Dmand AI also links Dr. Rivera Marrero to 1 more hospital, 4 medical groups and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Karines Rivera Marrero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rivera Marrero practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karines Rivera Marrero is one of 150 anesthesiologists in Puerto Rico
Anesthesiology is Dr. Rivera Marrero's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Rivera Marrero is licensed in Puerto Rico.
Specialties and state licenses
- Anesthesiology, Puerto RicoPrimary
Anesthesiologists near Dr. Rivera Marrero
Counts of anesthesiologists 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. Karines Rivera Marrero billed Medicare for 35 services in 2024
CMS data shows 35 Medicare services from Dr. Rivera Marrero across 2 procedure codes in 2024, for 50 Medicare patients. Medicare paid $5,262 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rivera Marrero's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 132024: 35169%
Dr. Rivera Marrero compared with the Puerto Rico median for anesthesiologists, 2024
- Dr. Rivera Marrero
- Puerto Rico median
- Medicare services
- 35vs 3113% above
- Medicare patients
- 50vs 4025% above
- Part D claims
- 22vs 22Close to median
Medians across 118 anesthesiologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Rivera Marrero'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 Marrero and other anesthesiologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karines Rivera Marrero treated 50 Medicare patients in 2024, average age 73
CMS counts 50 Medicare patients who saw Dr. Rivera Marrero in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rivera Marrero's median patient age at 41, with 67% women.
Dr. Rivera Marrero's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rivera Marrero's Medicare patients by sex, 2024
- Women1428%
- Men3672%
Chronic conditions among Dr. Rivera Marrero's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
- Arthritis38%
- Chronic kidney disease38%
- Ischemic heart disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rivera Marrero's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
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. Karines Rivera Marrero wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Rivera Marrero wrote 71 Medicare Part D claims. 68% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $9,278 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Dr. Rivera Marrero's Part D claims by kind of drug, 2024
- Generic48 claims68%
- Brand-name23 claims32%
Dr. Rivera Marrero's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 112022: 22100%
Drugs named by CMS: 2 in 2022, 1 in 2021.
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. Karines Rivera Marrero takes part in Medicare
Dr. Rivera Marrero 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. Karines Rivera Marrero received $130 in industry payments from 2017 to 2018
CMS Open Payments shows 4 general payments to Dr. Rivera Marrero from 3 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Olympus Latin America, Inc. paid the most, $74.
General payments to Dr. Rivera Marrero by program year, 2017 to 2018
Companies that paid Dr. Rivera Marrero the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Karines Rivera Marrero's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karines Rivera Marrero
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What is Dr. Karines Rivera Marrero's NPI number?
Dr. Karines Rivera Marrero's NPI number is 1780811331. It was assigned on June 22, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Karines Rivera Marrero?
Dr. Karines Rivera Marrero is an anesthesiologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Karines Rivera Marrero practice?
Dr. Rivera Marrero practices at Cont Torre Auxilio Mutuo Ofc 704 735 Ave Ponce De Leon, San Juan, PR 00917-5029. Dr. Rivera Marrero also practices at 1431 Ave Ponce De Leon, San Juan, PR 00907. Dr. Rivera Marrero's primary practice is Grh Anesthesia Group - San Juan (Cont Torre Auxilio Mutuo Ofc) in San Juan, Puerto Rico. Dmand AI also links Dr. Rivera Marrero to 1 hospital, 4 medical groups and 1 physician office.
What is Dr. Karines Rivera Marrero's medical license number?
Dr. Rivera Marrero holds Puerto Rico license 18110.
Which hospitals is Dr. Karines Rivera Marrero affiliated with?
Dr. Rivera Marrero is affiliated with Hospital Auxilio Mutuo. Dmand AI links Dr. Rivera Marrero to 1 more hospital.
What medical group is Dr. Karines Rivera Marrero part of?
Dr. Rivera Marrero is linked to Hospitalist Medical Services. Dmand AI links Dr. Rivera Marrero to 4 more medical groups.
Does Dr. Karines Rivera Marrero accept Medicare?
Yes. CMS data shows Dr. Rivera Marrero billed Medicare for 35 services in 2024, and Dr. Rivera Marrero accepts Medicare assignment.
How many Medicare patients does Dr. Karines Rivera Marrero see?
CMS counts 50 Medicare patients who saw Dr. Rivera Marrero in 2024, with an average age of 73.
What services does Dr. Karines Rivera Marrero bill to Medicare?
In 2024, Dr. Rivera Marrero's most billed Medicare services were anesthesia (00914) and anesthesia (00873).
What drugs does Dr. Karines Rivera Marrero prescribe most?
In 2022 Medicare Part D data, Dr. Rivera Marrero's most prescribed drugs by claims were Humalog and Levothyroxine Sodium.
Has Dr. Karines Rivera Marrero received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Dr. Rivera Marrero from 3 companies from 2017 to 2018. The largest total came from Olympus Latin America, Inc.
How long has Dr. Karines Rivera Marrero been practicing?
Dr. Rivera Marrero graduated from medical school in 2015, 11 years ago.
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