Mariana Mercader Perez, M.D.
Pulmonary Disease Physician · Bayamon, PR
Mariana Mercader Perez, M.D. is a pulmonary disease physician with a practice address in Bayamon, Puerto Rico, and NPI 1841617297, issued on Mar 24, 2014. Check the license (Puerto Rico 19777, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariana Mercader Perez
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 19777 PR
Self-reported in NPPES; status is on the state search - Practice location
- 73 Edificio Medico Santa Cruz, Bayamon, PR 00959
- Phone
- (787) 930-4845
- Enumerated
- Mar 24, 2014
- Record last updated
- Sep 26, 2022
- Fax
- (787) 269-3900
- Medicare enrollment
- Enrolled (PECOS I20180502000959); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 135 in Puerto Rico → Look up another NPI →
Also registered at 73 Edificio Medico Santa Cruz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pedro Oyola Nieves, M.D.Psychiatry Physician1801861539
Verify Mariana Mercader Perez 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 19777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
12 Medicare Part D claims, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 67.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pro Health Clinical Services LLCBayamon, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariana Mercader Perez among 135 pulmonary disease physician records in Puerto Rico
Mariana Mercader Perez, M.D. is one of 135 pulmonary disease 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 2014, is newer than 85% of them.
- NPI issued2014 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2014 · median 1998 among the 116 with a school on file
- Record last updated2022 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Puerto Rico
There are 135 pulmonary disease physician records in Puerto Rico.
All 135 in Puerto Rico → Every provider in Bayamon → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Arturo Cordova Lopez, MDBayamon, PR 009591700896388
- Luis Gerena Montano, M.D.Bayamon, PR 009591104225523
- Milton Perez Ruiz, M.D.Bayamon, PR 009591457337628
- Javier Ramos-Rossy, MDBayamon, PR 009591487912564
- Hyrza Vazquez Rivera, MDBayamon, PR 009591700811437
- Joan Albors-SanchezBayamon, PR 009611184918880
- Francisco Carro Anzalota, MDBayamon, PR 009611932146263
- Mario Espinosa Garcia, MDBayamon, PR 009611083653141
Common questions
What is Mariana Mercader Perez, M.D.'s NPI number?
Mariana Mercader Perez, M.D.'s National Provider Identifier (NPI) is 1841617297, issued on Mar 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mariana Mercader Perez, M.D. located?
The NPPES record lists a practice address at 73 Edificio Medico Santa Cruz, Bayamon, PR, 00959. Phone: (787) 930-4845. Providers update this record themselves, so call before visiting.
How can I verify Mariana Mercader Perez, M.D.'s license?
NPPES lists Puerto Rico license number 19777, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Mariana Mercader Perez, M.D. prescribe under Medicare Part D?
In 2024, Mariana Mercader Perez, M.D. had 12 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Mariana Mercader Perez, M.D.'s MIPS final score?
The 2023 MIPS final score is 67.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.