Ernesto Rafael Marrero, M.D.
Psychiatry Physician · Bayamon, PR
Ernesto Rafael Marrero, M.D. is a psychiatry physician with a practice address in Bayamon, Puerto Rico, and NPI 1487780375, issued on Feb 26, 2007. Check the license (Puerto Rico 6021, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ernesto Rafael Marrero
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 6021 PR
Self-reported in NPPES; status is on the state search - Practice location
- Calle Santa Cruz 66, Bayamon, PR 00961
- Phone
- (787) 740-2010
- Enumerated
- Feb 26, 2007
- Record last updated
- Oct 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (787) 740-8377
- Medicare enrollment
- Enrolled (PECOS I20060329000199); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 403 in Puerto Rico → Look up another NPI →
Verify Ernesto Rafael Marrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 6021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16.7 times the Medicare Part D claims of the average psychiatry physician in 2024
16,715 Medicare Part D claims for 780 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were under 1% of claims.
Most prescribed
- Temazepam2,288 claims
- Quetiapine Fumarate2,202 claims
- Clonazepam2,134 claims
- Nortriptyline Hcl1,403 claims
- Sertraline Hcl1,280 claims
- Bupropion Xl778 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: $31.25
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Ernesto Rafael Marrero among 403 psychiatry physician records in Puerto Rico
Ernesto Rafael Marrero, M.D. is one of 403 psychiatry physician records with a practice address in Puerto Rico. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 28% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated1978 · median 1995 among the 121 with a school on file
- Record last updated2016 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Puerto Rico
There are 403 psychiatry physician records in Puerto Rico.
All 403 in Puerto Rico → Every provider in Bayamon → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ruben Brignoni SerranoBayamon, PR 009611427033141
- Carmen Brito Medina, M.D.Bayamon, PR 009611922203629
- Ricardo Fabre, M.D.Bayamon, PR 009611609074756
- Judy Fernandez-Gallardo, M.D.Bayamon, PR 009611205059573
- Eric Martinez Colon, MDBayamon, PR 009611225007263
- Miguel Rivera, M.D.Bayamon, PR 009611144324690
- Juan Rodriguez, MDBayamon, PR 009611558327668
- Jesus Savedra Caballero, M.D.Bayamon, PR 009611316028822
Common questions
What is Ernesto Rafael Marrero, M.D.'s NPI number?
Ernesto Rafael Marrero, M.D.'s National Provider Identifier (NPI) is 1487780375, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ernesto Rafael Marrero, M.D. located?
The NPPES record lists a practice address at Calle Santa Cruz 66, Bayamon, PR, 00961. Phone: (787) 740-2010. Providers update this record themselves, so call before visiting.
How can I verify Ernesto Rafael Marrero, M.D.'s license?
NPPES lists Puerto Rico license number 6021, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Ernesto Rafael Marrero, M.D. prescribe under Medicare Part D?
In 2024, Ernesto Rafael Marrero, M.D. had 16,715 Medicare Part D claims for 780 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.