NPPES file of Aug 9, 2026

Carlos Oscar Mercado

Registered Nurse · Rincon, PR

Carlos Oscar Mercado is a registered nurse with a practice address in Rincon, Puerto Rico, and NPI 1588491617, issued on Sep 13, 2024. Check the license (Puerto Rico 89777, as entered in NPPES) with the Puerto Rico board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1588491617
Name
Carlos Oscar Mercado
Primary taxonomy
Registered Nurse 163W00000X
License number
89777 PR
Self-reported in NPPES; status is on the state search
Practice location
HC 1 Box 4235, Rincon, PR 00677
Phone
(939) 777-8773
Enumerated
Sep 13, 2024
Record last updated
Sep 13, 2024
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.
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Verify Carlos Oscar 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 89777    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.

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4 registered nurse records list a practice address in Rincon

They are 4 of the 83 NPPES records with a practice address in Rincon, and 749 registered nurse records in Puerto Rico. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4 in Rincon → All 749 in Puerto Rico → Every provider in Rincon →

Other registered nurse records in Puerto Rico

  1. Yazmin AbreuBayamon, PR1548400211
  2. Dianora Acaba Rodriguez, RNHatillo, PR1649097395
  3. Nelson Acevedo, RN BSNGurabo, PR1205302502
  4. Noel AcevedoSanta Isabel, PR1982973376
  5. Ramon AcevedoLares, PR1225585441
  6. David AcostaBayamon, PR1770359911
  7. Glenda Acosta, RNSan Juan, PR1588109615
  8. Joan AcostaCoamo, PR1013453521
  9. Migdalia Acosta Figueroa, R.N.Ponce, PR1891012944
  10. Amarilis AdamesAguadilla, PR1003649187

Common questions

What is Carlos Oscar Mercado's NPI number?

Carlos Oscar Mercado's National Provider Identifier (NPI) is 1588491617, issued on Sep 13, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Carlos Oscar Mercado located?

The NPPES record lists a practice address at HC 1 Box 4235, Rincon, PR, 00677. Phone: (939) 777-8773. Providers update this record themselves, so call before visiting.

How can I verify Carlos Oscar Mercado's license?

NPPES lists Puerto Rico license number 89777, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.