Gastrointest Endosc
Endoscopy, GastrointestinalHypertension, PortalIntestinal Diseases
Dr. Ricardo Juan Marrero, MD
NPI1093998320PAC ID7214010701
- Medicare services, 2024
- 137
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 3,605
- Publications
- 1
- Industry payments
- $2,735
- Practice address
- 70 Cll Santa Cruz, Bayamon, PR 00959
- Practice phone
- Call (787) 620-4747
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital Hima - San Pablo Bayamon
Bayamon, Puerto Rico
Find Dr. Marrero's professional email, personal email and mobile number
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Dr. Ricardo Juan Marrero is a gastroenterologist in Bayamon, Puerto Rico
Dr. Marrero practices at Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico.
Dr. Marrero's NPI, 1093998320, was assigned on December 10, 2007. Dr. Marrero graduated from Universidad Central del Caribe School of Medicine in 1998. Dr. Marrero holds Puerto Rico license 16988.
NPI and contact details
- NPI
- 1093998320NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214010701
- NPI enumeration date
- December 10, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 620-4747
- 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. Ricardo Juan Marrero practices at Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico
Dr. Marrero's primary practice is Hospital Hima - San Pablo Bayamon, at 70 Cll Santa Cruz, Bayamon, PR 00959 in Bayamon County. The practice phone is (787) 620-4747.
- Hospital Hima - San Pablo Bayamon70 Cll Santa Cruz, Bayamon, PR 00959 · Bayamon CountyPhone(787) 620-4747
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ricardo Juan Marrero is affiliated with 2 sites of care
Dr. Marrero's primary practice is Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico. Dmand AI also links Dr. Marrero to 1 physician office, named with a free account.
Hospital Hima - San Pablo BayamonPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ricardo Juan Marrero's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marrero practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Hima - San Pablo Bayamon | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ricardo Juan Marrero is one of 170 gastroenterologists in Puerto Rico
Gastroenterology is Dr. Marrero's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Marrero's licenses on file in 6 states: Puerto Rico, District of Columbia, Colorado, Florida, Virginia and Maryland.
Specialties and state licenses
- Gastroenterology, Puerto RicoPrimary
- District of Columbia license
- Colorado license
- Florida license
- Virginia license
- Maryland license
Clinical focus
Dmand AI lists acute gastroduodenitis, cirrhosis of the liver, gastrointestinal bleeding, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Dr. Marrero treats.
Gastroenterologists near Dr. Marrero
Counts of gastroenterologists 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. Ricardo Juan Marrero billed Medicare for 137 services in 2024
CMS data shows 137 Medicare services from Dr. Marrero across 5 procedure codes in 2024, for 47 Medicare patients. Medicare paid $16,062 for them. Every service was in an office.
Medicare services, 2024137
Medicare patients47
Paid by Medicare$16,062
Procedure codes5
Dr. Marrero's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 422024: 5940%
- Other services
- 2023: 322024: 3922%
- Surgery
- 2023: 302024: 3930%
Dr. Marrero compared with the Puerto Rico median for gastroenterologists, 2024
- Dr. Marrero
- Puerto Rico median
- Medicare services
- 137vs 423.3 times
- Medicare patients
- 47vs 2681% above
- Part D claims
- 3,476vs 1,5302.3 times
Medians across 175 gastroenterologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. 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. Marrero and other gastroenterologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ricardo Juan Marrero treated 47 Medicare patients in 2024, average age 76
CMS counts 47 Medicare patients who saw Dr. Marrero in 2024. The largest group is 75 to 84, with 25 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marrero's median patient age at 77, with 100% women.
Medicare patients, 202447
Average age76
Average risk score1.12
Dr. Marrero's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marrero's Medicare patients by sex, 2024
- Women2655%
- Men2145%
Chronic conditions among Dr. Marrero's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes68%
- Arthritis64%
- Chronic kidney disease38%
- Asthma30%
- Osteoporosis28%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 77
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ricardo Juan Marrero wrote 3,605 Medicare Part D claims in 2024
In 2024, Dr. Marrero wrote 3,605 Medicare Part D claims for 888 patients. 81% of them were for generic drugs. CMS names the drug for 3,476 of them, across 19 drugs with 11 or more claims each, at $194,284 in total drug cost. In 2023, CMS named 3,320 claims across 21 drugs.
Part D claims, 20243,605
Drugs named by CMS19
Total drug cost$194,284
Part D patients888
Dr. Marrero's Part D claims by kind of drug, 2024
- Generic2,918 claims81%
- Brand-name687 claims19%
Dr. Marrero'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. Marrero's Part D claims, 2024
- Antibiotics3%116 of 3,605 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: 3,3202024: 3,4765%
Drugs named by CMS: 19 in 2024, 21 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. Ricardo Juan Marrero ranks in the 81st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Marrero accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 126 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Marrero, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Marrero ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 81st percentile126 procedures
- Colonoscopy
- 78th percentile93 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. Ricardo Juan Marrero has 1 publication on record
Dmand AI links 1 paper to Dr. Marrero. Dr. Marrero's most frequent co-author is Jamie S. Barkin, MD.
Papers1
Dr. Marrero's most frequent co-authors
Recent publications by Dr. Marrero
See who Dr. Marrero researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marrero works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ricardo Juan Marrero received $2,735 in industry payments from 2016 to 2025
CMS Open Payments shows 82 general payments to Dr. Marrero 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, $900.
General payments to Dr. Marrero by program year, 2016 to 2025
General payments to Dr. Marrero by kind, 2016 to 2025
$2.7Kin total
- Food and beverage$2,67898%
- Education$572%
Companies that paid Dr. Marrero 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. Ricardo Juan Marrero graduated from Universidad Central del Caribe School of Medicine
Dr. Marrero graduated from Universidad Central del Caribe School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ricardo Juan Marrero accepts plans from 7 insurance carriers
Dr. Marrero is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
Plan types Dr. Marrero accepts, by number of carriers
- Medicare6
- PPO6
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ricardo Juan Marrero'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 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ricardo Juan Marrero
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. Ricardo Juan Marrero's NPI number?
Dr. Ricardo Juan Marrero's NPI number is 1093998320. It was assigned on December 10, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ricardo Juan Marrero?
Dr. Ricardo Juan Marrero is a gastroenterologist in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ricardo Juan Marrero practice?
Dr. Marrero practices at 70 Cll Santa Cruz, Bayamon, PR 00959. Dr. Marrero's primary practice is Hospital Hima - San Pablo Bayamon in Bayamon, Puerto Rico. Dmand AI also links Dr. Marrero to 1 physician office.
What is Dr. Ricardo Juan Marrero's office phone number?
The practice phone on file for Dr. Marrero is (787) 620-4747.
What is Dr. Ricardo Juan Marrero's medical license number?
Dr. Marrero holds Puerto Rico license 16988, one of the licenses on file in 6 states.
Which states has Dr. Ricardo Juan Marrero been licensed in?
Dmand AI has state licenses on file for Dr. Marrero in Puerto Rico (2007 to 2028), District of Columbia, Colorado (2023 to 2025), Florida (2008 to 2024), Virginia (2018 to 2024) and Maryland (2018 to 2023).
Does Dr. Ricardo Juan Marrero accept Medicare?
Yes. CMS data shows Dr. Marrero billed Medicare for 137 services in 2024, and Dr. Marrero accepts Medicare assignment.
How many Medicare patients does Dr. Ricardo Juan Marrero see?
CMS counts 47 Medicare patients who saw Dr. Marrero in 2024, with an average age of 76.
What services does Dr. Ricardo Juan Marrero bill to Medicare?
In 2024, Dr. Marrero's most billed Medicare services were office visit, established patient (99213), medicare service (G0500) and surgery: digestive system (43239).
Where did Dr. Ricardo Juan Marrero go to medical school?
Dr. Marrero graduated from Universidad Central del Caribe School of Medicine in 1998.
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What drugs does Dr. Ricardo Juan Marrero prescribe most?
In 2024 Medicare Part D data, Dr. Marrero's most prescribed drugs by claims were Midazolam HCl, Omeprazole and Sucralfate.
Has Dr. Ricardo Juan Marrero received payments from drug or device companies?
CMS Open Payments shows $2,735 in general payments to Dr. Marrero from 9 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ricardo Juan Marrero been practicing?
Dr. Marrero graduated from medical school in 1998, 28 years ago.
Does Dr. Ricardo Juan Marrero do research?
Dmand AI links 1 publication to Dr. Marrero.
Who does Dr. Ricardo Juan Marrero publish with?
Dr. Marrero's most frequent co-authors are Jamie S. Barkin, MD (1 shared paper).
What insurance does Dr. Ricardo Juan Marrero accept?
Dr. Marrero is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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