NPPES file of Aug 9, 2026

Maribel Mercado, M.D.

General Practice Physician · San Sebastian, PR

Maribel Mercado, M.D. is a general practice physician with a practice address in San Sebastian, Puerto Rico, and NPI 1699956847, issued on Nov 15, 2007. Check the license (Puerto Rico 16932, 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
1699956847
Name
Maribel Mercado
Credential
M.D.
Primary taxonomy
General Practice Physician 208D00000X
License number
16932 PR
Self-reported in NPPES; status is on the state search
Practice location
HC 1 Box 9460, San Sebastian, PR 00685
Phone
(787) 629-7066
Enumerated
Nov 15, 2007
Record last updated
Nov 15, 2007 (not updated in 19 years: call before relying on the address or phone)
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 Maribel 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 16932
    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
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70% fewer Medicare Part D claims than the average general practice physician in 2024

895 Medicare Part D claims for 128 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.

  1. Maribel Mercado895
  2. Specialty average3,030

Most prescribed

  1. Losartan Potassium64 claims
  2. Levothyroxine Sodium57 claims
  3. Simvastatin51 claims
  4. Levetiracetam43 claims
  5. Amlodipine Besylate38 claims
  6. Metformin Hcl32 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.

56 general practice physician records list a practice address in San Sebastian

They are 56 of the 347 NPPES records with a practice address in San Sebastian, and 4,170 general practice physician records in Puerto Rico.

Other general practice physician records in Puerto Rico

  1. Veronica Abraham, MDBayamon, PR1881204089
  2. Manuel Abraham Gonzalez, M.D.San Juan, PR1811297534
  3. Jennifer Abraham Vega, MDSan Juan, PR1366030595
  4. Jose M. Abreu Guzman, M.D.Manati, PR1982745816
  5. Steven Abreu Reyes, M.D.Las Piedras, PR1801146667
  6. Caren Abreu Takemura, MDCarolina, PR1669110805
  7. Ibrahim Abu-Usbaabdel-FattahAibonito, PR1285851758
  8. Nidal Abukhalil Rashid, MDHatillo, PR1760435226
  9. Adrian Acevedo, M.D.Santa Isabel, PR1518173624
  10. Angel Acevedo, MDSan Juan, PR1689663817

Common questions

What is Maribel Mercado, M.D.'s NPI number?

Maribel Mercado, M.D.'s National Provider Identifier (NPI) is 1699956847, issued on Nov 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Maribel Mercado, M.D. located?

The NPPES record lists a practice address at HC 1 Box 9460, San Sebastian, PR, 00685. Phone: (787) 629-7066. Providers update this record themselves, so call before visiting.

How can I verify Maribel Mercado, M.D.'s license?

NPPES lists Puerto Rico license number 16932, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Maribel Mercado, M.D. prescribe under Medicare Part D?

In 2024, Maribel Mercado, M.D. had 895 Medicare Part D claims for 128 beneficiaries; the average among general practice physician prescribers was 3,030. 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.