Roy R. Marrero, MD
Emergency Medicine Physician · Port Arthur, TX
Roy R. Marrero, MD is an emergency medicine physician with a practice address in Port Arthur, Texas, and NPI 1841249414, issued on May 9, 2006. Check the license (Texas J9750, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roy R. Marrero
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- J9750 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2555 Jimmy Johnson Blvd, Port Arthur, TX 77640
- Phone
- (409) 724-7389
- Enumerated
- May 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050331000060); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 2555 Jimmy Johnson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roy R. Marrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J9750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average emergency medicine physician in 2024
205 Medicare Part D claims for 128 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Tramadol Hcl27 claims
- Acetaminophen-Codeine16 claims
- Cyclobenzaprine Hcl11 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.
Bills Medicare through one group practice
- Texas ER Group PLLCLumberton, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy R. Marrero among 4,885 emergency medicine physician records in Texas
Roy R. Marrero, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1986 · median 2013 among the 2,779 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 emergency medicine physician records list a practice address in Port Arthur
They are 8 of the 462 NPPES records with a practice address in Port Arthur, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Port Arthur → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sheila Bishop, DMPort Arthur, TX 776401609039791
- Charles Foutz, MDPort Arthur, TX 776401356390298
- Michael Kolcun, MDPort Arthur, TX 776401124078498
- Dennis Rainey, MDPort Arthur, TX 776401689623282
- Anthony Williams, MDPort Arthur, TX 776401639129448
- Tony Abraham, D.O.Port Arthur, TX 776421477904704
- Kyle Peterson, MDPort Arthur, TX 776421922335199
- Jordan Bales, M.D.West Orange, TX 776301760691927
Common questions
What is Roy R. Marrero, MD's NPI number?
Roy R. Marrero, MD's National Provider Identifier (NPI) is 1841249414, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy R. Marrero, MD located?
The NPPES record lists a practice address at 2555 Jimmy Johnson Blvd, Port Arthur, TX, 77640. Phone: (409) 724-7389. Providers update this record themselves, so call before visiting.
How can I verify Roy R. Marrero, MD's license?
NPPES lists Texas license number J9750, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roy R. Marrero, MD prescribe under Medicare Part D?
In 2024, Roy R. Marrero, MD had 205 Medicare Part D claims for 128 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.