Alejandro Mercado, M.D.
Pediatric Pulmonology Physician · Bayamon, PR
Alejandro Mercado, M.D. is a pediatric pulmonology physician with a practice address in Bayamon, Puerto Rico, and NPI 1568482743, issued on Jul 20, 2006. Check the license (Puerto Rico 6371, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alejandro Mercado
- Credential
- M.D.
- Primary taxonomy
- Pediatric Pulmonology Physician 2080P0214X
- License number
- 6371 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1845 Carr. #2, Bayamon, PR 00959
- Phone
- (787) 780-6034
- Enumerated
- Jul 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 999-5823
- Entity
- Type 1 · individual
8 nearest pediatric pulmonology physician records → All 19 in Puerto Rico → Look up another NPI →
Also registered at 1845 Carr. #2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hernan Velez-JuanOrthodontics and Dentofacial Orthopedics Dentistry1033224043
Verify Alejandro Mercado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 6371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average pediatric pulmonology physician in 2024
36 Medicare Part D claims, against an average of 119 among the 263 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam11 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.
Alejandro Mercado among 19 pediatric pulmonology physician records in Puerto Rico
Alejandro Mercado, M.D. is one of 19 pediatric pulmonology physician records with a practice address in Puerto Rico. 84% 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 32% of them.
- NPI issued2006 · 32% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2007 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0214X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Pulmonology Physician providers in Puerto Rico
There are 19 pediatric pulmonology physician records in Puerto Rico.
All 19 in Puerto Rico → Every provider in Bayamon → Pediatric Pulmonology Physician nationwide →
The 8 pediatric pulmonology physician records with the nearest ZIP codes
- Marina Martinez-Garri, M.D.Bayamon, PR 009591821437237
- Carolina Miranda Torres, MDBayamon, PR 009591255627675
- Miriam Mirabal-Cordero, MDGuaynabo, PR 009691548221807
- Diana Betancourt-Aleman, MDTrujillo Alto, PR 009761396729398
- Suhei ZuletaSan Juan, PR 009361295385037
- Frank Rodriguez Serrano, M.D.Carolina, PR 009831396879227
- Evadelin Suazo, M.D.Carolina, PR 009851033464847
- William De La Paz, M.D..San Juan, PR 009181194801522
Common questions
What is Alejandro Mercado, M.D.'s NPI number?
Alejandro Mercado, M.D.'s National Provider Identifier (NPI) is 1568482743, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alejandro Mercado, M.D. located?
The NPPES record lists a practice address at 1845 Carr. #2, Bayamon, PR, 00959. Phone: (787) 780-6034. Providers update this record themselves, so call before visiting.
How can I verify Alejandro Mercado, M.D.'s license?
NPPES lists Puerto Rico license number 6371, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alejandro Mercado, M.D. prescribe under Medicare Part D?
In 2024, Alejandro Mercado, M.D. had 36 Medicare Part D claims; the average among pediatric pulmonology physician prescribers was 119. 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.