NPPES file of Aug 9, 2026

Julieva Rios Mercado, MD

Emergency Medicine Physician · San Juan, PR

Julieva Rios Mercado, MD is an emergency medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1245278381, issued on Jun 2, 2006. Check the license (Puerto Rico 9283, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245278381
Name
Julieva Rios Mercado
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
9283 PR
Self-reported in NPPES; status is on the state search
Practice location
Ave Ponce DE Leon, San Juan, PR 00919
Phone
(787) 717-6763
Enumerated
Jun 2, 2006
Record last updated
Mar 19, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at Ave Ponce DE Leon

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Beatriz Del Valle Negron, MDPhysical Medicine & Rehabilitation Physician1417040346
  2. Salvador Marquez, MDEmergency Medicine Physician1033280987
  3. Giselle Marrero-Clemente, M.D.Neonatal-Perinatal Medicine Physician1376746230

Verify Julieva Rios Mercado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 9283
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.4 times the Medicare Part D claims of the average emergency medicine physician in 2024

776 Medicare Part D claims for 82 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Julieva Rios Mercado776
  2. Specialty average226

Most prescribed

  1. Gabapentin53 claims
  2. Pantoprazole Sodium46 claims
  3. Amlodipine Besylate37 claims
  4. Synthroid33 claims
  5. Losartan Potassium31 claims
  6. Famotidine30 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: $31.91

2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julieva Rios Mercado$31.91
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Julieva Rios Mercado among 278 emergency medicine physician records in Puerto Rico

Julieva Rios Mercado, MD is one of 278 emergency medicine 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 68% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2025 · 62% 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 Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Puerto Rico

There are 278 emergency medicine physician records in Puerto Rico.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Pablo Laureano Marti, MDHato Rey, PR 009191033140942
  2. Salvador Marquez, MDSan Juan, PR 009191033280987
  3. Wilfredo Rendon, M.D.Hato Rey, PR 009191225077944
  4. Enrique Segarra, MDAto Rey, PR 009191912984469
  5. Raphael Colon-Hernandez, M.D.San Juan, PR 009201730382870
  6. Jenniffer Gonzalez, M.D.San Juan, PR 009181740483296
  7. Luis Rivera, M.D.San Juan, PR 009181376589622
  8. Maribel Rodriguez-Martinez, M.D.San Juan, PR 009181730125410

Common questions

What is Julieva Rios Mercado, MD's NPI number?

Julieva Rios Mercado, MD's National Provider Identifier (NPI) is 1245278381, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julieva Rios Mercado, MD located?

The NPPES record lists a practice address at Ave Ponce DE Leon, San Juan, PR, 00919. Phone: (787) 717-6763. Providers update this record themselves, so call before visiting.

How can I verify Julieva Rios Mercado, MD's license?

NPPES lists Puerto Rico license number 9283, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Julieva Rios Mercado, MD prescribe under Medicare Part D?

In 2024, Julieva Rios Mercado, MD had 776 Medicare Part D claims for 82 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.