Dr. Derik Ivan Marrero, MD
- Medicare services, 2022
- 17
- Part D claims, 2024
- 112
- Industry payments
- $3,264
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 310 Ave Lomas Verdes, San Juan, PR 00927-6638
- Practice phone
- Call (787) 272-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Ian Marrero - Hand & Plastic Surgery
Physician office · San Juan, Puerto Rico
Find Dr. Marrero'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. Derik Ivan Marrero is a plastic and reconstructive surgery physician in San Juan, Puerto Rico
Dr. Marrero practices at Dr. Ian Marrero - Hand & Plastic Surgery in San Juan, Puerto Rico.
Dr. Marrero's NPI, 1437355617, was assigned on June 25, 2007. Dr. Marrero graduated from University of Puerto Rico School of Medicine in 2004. Dr. Marrero holds Puerto Rico license 17309.
- NPI
- 1437355617NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284899436
- NPI enumeration date
- June 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 272-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derik Ivan Marrero practices at 2 locations in San Juan, Puerto Rico
Dr. Marrero's primary practice is Dr. Ian Marrero - Hand & Plastic Surgery, at 310 Ave Lomas Verdes, San Juan, PR 00927-6638. The practice phone is (787) 272-5000. The NPI Registry lists Dr. Marrero's practice address as 130 Winston Churchill, San Juan, PR 00926.
- Dr. Ian Marrero - Hand & Plastic SurgeryPrimary310 Ave Lomas Verdes, San Juan, PR 00927-6638Phone(787) 272-5000
- NPI Registry address130 Winston Churchill, San Juan, PR 00926 · San Juan CountyPhone(787) 273-7000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Derik Ivan Marrero is affiliated with 1 site of care
Dr. Marrero's primary practice is Dr. Ian Marrero - Hand & Plastic Surgery in San Juan, Puerto Rico.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Derik Ivan 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 |
|---|---|
| Dr. Ian Marrero - Hand & Plastic Surgery | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derik Ivan Marrero is one of 14 plastics and reconstructive surgery physicians in Puerto Rico
Plastic and reconstructive surgery is Dr. Marrero's primary specialty in the NPI Registry, under taxonomy code 2086S0122X. Dr. Marrero is licensed in Puerto Rico.
Specialties and state licenses
- Plastic and reconstructive surgery, Puerto RicoPrimary
Plastics and reconstructive surgery physicians near Dr. Marrero
Counts of plastics and reconstructive surgery physicians 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. Derik Ivan Marrero billed Medicare for 17 services in 2022
CMS data shows 17 Medicare services from Dr. Marrero across 1 procedure code in 2022, all of them office visits. Medicare paid $1,164 for them. Every service was in an office.
Dr. Marrero's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 272022: 1737%
Dr. Marrero compared with the Puerto Rico median for plastics and reconstructive surgery physicians, 2022
- Dr. Marrero
- Puerto Rico median
- Part D claims
- 65vs 4351% above
Medians across 15 plastics and reconstructive surgery physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Marrero's most billed Medicare procedure codes, 2022
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 plastics and reconstructive surgery physicians in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derik Ivan Marrero's patients have a median age of 25
Across all payers, Dmand AI patient panel data puts Dr. Marrero's median patient age at 25, with 100% women.
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 25
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Derik Ivan Marrero wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Marrero wrote 112 Medicare Part D claims for 31 patients. 96% of them were for generic drugs. CMS names the drug for 65 of them, across 4 drugs with 11 or more claims each, at $439 in total drug cost. In 2023, CMS named 139 claims across 5 drugs.
Dr. Marrero's Part D claims by kind of drug, 2024
- Generic108 claims96%
- Brand-name and other4 claims4%
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
- Opioids19%21 of 112 claims
- Antibiotics28%31 of 112 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: 1392024: 6553%
Drugs named by CMS: 4 in 2024, 5 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. Derik Ivan Marrero takes part in Medicare
Dr. Marrero accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
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. Derik Ivan Marrero received $3,264 in industry payments from 2017 to 2025
CMS Open Payments shows 10 general payments to Dr. Marrero from 6 drug and device companies from 2017 to 2025. Gifts make up the largest share, 83% of the total. Allergan Inc. paid the most, $2,880.
General payments to Dr. Marrero by program year, 2017 to 2025
General payments to Dr. Marrero by kind, 2017 to 2025
- Gifts$2,70083%
- Food and beverage$56417%
Companies that paid Dr. Marrero the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derik Ivan Marrero graduated from University of Puerto Rico School of Medicine
Dr. Marrero graduated from University of Puerto Rico School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derik Ivan 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 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) |
| 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. Derik Ivan 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. Derik Ivan Marrero's NPI number?
Dr. Derik Ivan Marrero's NPI number is 1437355617. It was assigned on June 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Derik Ivan Marrero?
Dr. Derik Ivan Marrero is a plastic and reconstructive surgery physician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Plastic and Reconstructive Surgery Physician (taxonomy code 2086S0122X).
Where does Dr. Derik Ivan Marrero practice?
Dr. Marrero practices at 310 Ave Lomas Verdes, San Juan, PR 00927-6638. Dr. Marrero also practices at 130 Winston Churchill, San Juan, PR 00926. Dr. Marrero's primary practice is Dr. Ian Marrero - Hand & Plastic Surgery in San Juan, Puerto Rico.
What is Dr. Derik Ivan Marrero's office phone number?
The practice phone on file for Dr. Marrero is (787) 272-5000.
What is Dr. Derik Ivan Marrero's medical license number?
Dr. Marrero holds Puerto Rico license 17309.
Does Dr. Derik Ivan Marrero accept Medicare?
Yes. CMS data shows Dr. Marrero billed Medicare for 17 services in 2022, and Dr. Marrero accepts Medicare assignment.
What services does Dr. Derik Ivan Marrero bill to Medicare?
In 2022, Dr. Marrero's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Derik Ivan Marrero go to medical school?
Dr. Marrero graduated from University of Puerto Rico School of Medicine in 2004.
What drugs does Dr. Derik Ivan Marrero prescribe most?
In 2024 Medicare Part D data, Dr. Marrero's most prescribed drugs by claims were Tramadol HCl, Cefadroxil and Pantoprazole Sodium.
Has Dr. Derik Ivan Marrero received payments from drug or device companies?
CMS Open Payments shows $3,264 in general payments to Dr. Marrero from 6 companies from 2017 to 2025. The largest total came from Allergan Inc.
How long has Dr. Derik Ivan Marrero been practicing?
Dr. Marrero graduated from medical school in 2004, 22 years ago.
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