Carlos Marrero, MD
Geriatric Medicine (Family Medicine) Physician · San Juan, PR
Carlos Marrero, MD is a geriatric medicine (family medicine) physician with a practice address in San Juan, Puerto Rico, and NPI 1083774228, issued on Dec 11, 2006. Check the license with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carlos Marrero
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- Practice location
- Cesar Gonzalez #463 Urb Roosevelt, San Juan, PR 00918
- Phone
- (787) 274-0277
- Enumerated
- Dec 11, 2006
- Entity
- Type 1 · individual
Verify Carlos Marrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
89% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
560 Medicare Part D claims for 74 beneficiaries, against an average of 4,917 among the 1,261 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Gabapentin32 claims
- Methylprednisolone25 claims
- Alprazolam24 claims
- Atorvastatin Calcium24 claims
- Doxycycline Hyclate19 claims
- Rosuvastatin Calcium18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $136.44
3 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 498 providers of this specialty with any payment received $2,104.14 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Geriatric Medicine (Family Medicine) Physician providers in Puerto Rico
There are 57 geriatric medicine (family medicine) physician records in Puerto Rico.
Other geriatric medicine (family medicine) physician records in Puerto Rico
- Luz Acevedo-Vargas, MDCarolina, PR1730176595
- Marialix Alexandrino De Jesus, M.D.San Juan, PR1407296056
- Javier Anaya Gonzalez, MDCarolina, PR1770726150
- Sissi Barreto, MDLuquillo, PR1295704260
- Alfredo Beauchamp, M.D.Caguas, PR1821046939
- Karla Berrios Sierra, M.D.San Juan, PR1558590059
- Nashda Burgos-Muniz, MDSan Juan, PR1700576626
- Jose Camunas-Colon, MDCarolina, PR1639619281
- Sergio Chevere Mourino, M.D.Ponce, PR1528038973
- Maribel Colon-Vega, MDMorovis, PR1184985376
Common questions
What is Carlos Marrero, MD's NPI number?
Carlos Marrero, MD's National Provider Identifier (NPI) is 1083774228, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Marrero, MD located?
The NPPES record lists a practice address at Cesar Gonzalez #463 Urb Roosevelt, San Juan, PR, 00918. Phone: (787) 274-0277. Providers update this record themselves, so call before visiting.
How can I verify Carlos Marrero, MD's license?
Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Carlos Marrero, MD prescribe under Medicare Part D?
In 2024, Carlos Marrero, MD had 560 Medicare Part D claims for 74 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 4,917. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.