NPPES file of Aug 9, 2026

Fernando Ramos-Mercado, MD

Gastroenterology Physician · San Juan, PR

Fernando Ramos-Mercado, MD is a gastroenterology physician with a practice address in San Juan, Puerto Rico, and NPI 1972598407, issued on Sep 12, 2005. Check the license (Puerto Rico 10788, 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
1972598407
Name
Fernando Ramos-Mercado
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
10788 PR
Self-reported in NPPES; status is on the state search
Practice location
400 Ave FD Roosevelt, San Juan, PR 00918
Phone
(787) 764-8787
Enumerated
Sep 12, 2005
Record last updated
Jun 13, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(787) 250-1029
Medicare enrollment
Enrolled (PECOS I20080221000301); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 400 Ave FD Roosevelt

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

  1. Frankie Alvarado, M.D.Pulmonary Disease Physician1730219098
  2. Lydia ArillEndodontics1205921053
  3. Luis Arturi, MDGastroenterology Physician1063407591
  4. Hilda Bithorn, O.D.Optometrist1265625966
  5. Maximo Blondet Passalacqua, MD,FCCPSpecialist1184614927
  6. Ricardo Brau, M.D.Neurological Surgery Physician1114939949

Verify Fernando Ramos-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 10788
    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

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12% fewer Medicare Part D claims than the average gastroenterology physician in 2024

714 Medicare Part D claims for 304 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Fernando Ramos-Mercado714
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium89 claims
  2. Famotidine74 claims
  3. Moxifloxacin Hcl68 claims
  4. Meperidine Hcl46 claims
  5. Lansoprazole45 claims
  6. Esomeprazole Magnesium36 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: $568.79

12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Fernando Ramos-Mercado$568.79
  2. Specialty average$5,015.95

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

Bills Medicare through one group practice

  1. Instituto DE Gastroenterologia DE PRSan Juan, PR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Fernando Ramos-Mercado among 203 gastroenterology physician records in Puerto Rico

Fernando Ramos-Mercado, MD is one of 203 gastroenterology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1990 · median 2000 among the 165 with a school on file
  • Record last updated2013 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Puerto Rico

There are 203 gastroenterology physician records in Puerto Rico.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Luis Arturi, MDSan Juan, PR 009181063407591
  2. Evelio Bravo-Fernandez, MDSan Juan, PR 009181942233192
  3. Victor Carlo, M.D.San Juan, PR 009181104968676
  4. Walisbeth Class-VazquezSan Juan, PR 009181518302652
  5. Diana Colon Gorbea, M.D.San Juan, PR 009181669508370
  6. Filiberto Colon-Rodriguez, MDSan Juan, PR 009181225023757
  7. Jose Rivera-Rodriguez, MEDICINE DOCTORSan Juan, PR 009181265582068
  8. Rafael Rodriguez - Lopez, MDSan Juan, PR 009181275530743

Common questions

What is Fernando Ramos-Mercado, MD's NPI number?

Fernando Ramos-Mercado, MD's National Provider Identifier (NPI) is 1972598407, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Fernando Ramos-Mercado, MD located?

The NPPES record lists a practice address at 400 Ave FD Roosevelt, San Juan, PR, 00918. Phone: (787) 764-8787. Providers update this record themselves, so call before visiting.

How can I verify Fernando Ramos-Mercado, MD's license?

NPPES lists Puerto Rico license number 10788, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Fernando Ramos-Mercado, MD prescribe under Medicare Part D?

In 2024, Fernando Ramos-Mercado, MD had 714 Medicare Part D claims for 304 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.