Dr. Mariana Mercader Perez, MD
- Medicare services, 2024
- 70
- Medicare patients, 2024
- 34
- Part D claims, 2024
- 12
- MIPS score, 2024
- 79
- Hospital affiliations
- 2
- Practice address
- Hh-9 J, Bayamon, PR 00957
- Practice phone
- Call (787) 622-5421
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Doctors Center Hospital Bayamon Inc
Bayamon, Puerto Rico
Find Dr. Mercader Perez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mariana Mercader Perez is a pulmonologist in Bayamon, Puerto Rico
Dr. Mercader Perez practices at Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico.
Dr. Mercader Perez's NPI, 1841617297, was assigned on March 24, 2014. Dr. Mercader Perez graduated from University of Puerto Rico School of Medicine in 2014. Dr. Mercader Perez holds Puerto Rico license 19777.
- NPI
- 1841617297NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567726334
- NPI enumeration date
- March 24, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 622-5421
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mariana Mercader Perez practices at Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico
Dr. Mercader Perez's primary practice is Doctors Center Hospital Bayamon Inc, at Hh-9 J, Bayamon, PR 00957 in Bayamon County. The practice phone is (787) 622-5421.
- Doctors Center Hospital Bayamon IncHh-9 J, Bayamon, PR 00957 · Bayamon CountyPhone(787) 622-5421
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mariana Mercader Perez is affiliated with 5 sites of care and 3 medical groups
Dr. Mercader Perez's primary practice is Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico. Dr. Mercader Perez is also affiliated with Bayamón Medical Center. The medical group on file is Pro-Health Clinical Services. Dmand AI also links Dr. Mercader Perez to 1 more hospital, 2 medical groups, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mariana Mercader Perez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mercader Perez practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Doctors Center Hospital Bayamon Inc | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mariana Mercader Perez is one of 122 pulmonologists in Puerto Rico
Pulmonary disease is Dr. Mercader Perez's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Mercader Perez is licensed in Puerto Rico.
Specialties and state licenses
- Pulmonary disease, Puerto RicoPrimary
Pulmonologists near Dr. Mercader Perez
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mariana Mercader Perez billed Medicare for 70 services in 2024
CMS data shows 70 Medicare services from Dr. Mercader Perez across 2 procedure codes in 2024, for 34 Medicare patients. Medicare paid $6,975 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mercader Perez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 732024: 704%
Dr. Mercader Perez compared with the Puerto Rico median for pulmonologists, 2024
- Dr. Mercader Perez
- Puerto Rico median
- Medicare services
- 70vs 757% below
- Medicare patients
- 34vs 34Close to median
- Part D claims
- 43vs 2,92699% below
Medians across 121 pulmonologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Mercader Perez's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mercader Perez and other pulmonologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mariana Mercader Perez treated 34 Medicare patients in 2024, average age 77
CMS counts 34 Medicare patients who saw Dr. Mercader Perez in 2024. The largest group is 85 and over, with 13 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.30, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mercader Perez's median patient age at 67, with 50% women.
Dr. Mercader Perez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mercader Perez's Medicare patients by sex, 2024
- Women1956%
- Men1544%
Chronic conditions among Dr. Mercader Perez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Diabetes59%
- Chronic kidney disease53%
- Heart failure53%
- Arthritis47%
- Ischemic heart disease41%
- Alzheimer's and dementia38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mercader Perez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mariana Mercader Perez wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Mercader Perez wrote 12 Medicare Part D claims. 92% of them were for generic drugs. They cover 3 drugs, with $6,175 in total drug cost. In 2022, CMS named 229 claims across 9 drugs.
Dr. Mercader Perez's Part D claims by kind of drug, 2024
- Generic11 claims92%
- Brand-name and other1 claims8%
Dr. Mercader Perez's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2292023: 4381%
Drugs named by CMS: 3 in 2023, 9 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mariana Mercader Perez scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Mercader Perez for performance year 2024, reported as part of a group. Dr. Mercader Perez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mercader Perez's MIPS scores, performance year 2024
- 79of 100Final score
- 66.2of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mariana Mercader Perez received $494 in industry payments from 2018 to 2022
CMS Open Payments shows 10 general payments to Dr. Mercader Perez from 9 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 88% of the total. Genentech, Inc. paid the most, $150.
General payments to Dr. Mercader Perez by program year, 2018 to 2022
General payments to Dr. Mercader Perez by kind, 2018 to 2022
- Food and beverage$43488%
- Gifts$6012%
Companies that paid Dr. Mercader Perez the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mariana Mercader Perez graduated from University of Puerto Rico School of Medicine
Dr. Mercader Perez graduated from University of Puerto Rico School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mariana Mercader Perez's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mariana Mercader Perez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mariana Mercader Perez's NPI number?
Dr. Mariana Mercader Perez's NPI number is 1841617297. It was assigned on March 24, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Mariana Mercader Perez?
Dr. Mariana Mercader Perez is a pulmonologist in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Mariana Mercader Perez practice?
Dr. Mercader Perez practices at Hh-9 J, Bayamon, PR 00957. Dr. Mercader Perez's primary practice is Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico. Dmand AI also links Dr. Mercader Perez to 1 hospital, 2 medical groups, 1 physician office and 1 group practice or clinic.
What is Dr. Mariana Mercader Perez's office phone number?
The practice phone on file for Dr. Mercader Perez is (787) 622-5421.
What is Dr. Mariana Mercader Perez's medical license number?
Dr. Mercader Perez holds Puerto Rico license 19777.
Which hospitals is Dr. Mariana Mercader Perez affiliated with?
Dr. Mercader Perez is affiliated with Bayamón Medical Center. Dmand AI links Dr. Mercader Perez to 1 more hospital.
What medical group is Dr. Mariana Mercader Perez part of?
Dr. Mercader Perez is linked to Pro-Health Clinical Services. Dmand AI links Dr. Mercader Perez to 2 more medical groups.
Does Dr. Mariana Mercader Perez accept Medicare?
Yes. CMS data shows Dr. Mercader Perez billed Medicare for 70 services in 2024, and Dr. Mercader Perez accepts Medicare assignment.
What is Dr. Mariana Mercader Perez's MIPS score?
Dr. Mercader Perez's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mariana Mercader Perez see?
CMS counts 34 Medicare patients who saw Dr. Mercader Perez in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Mariana Mercader Perez bill to Medicare?
In 2024, Dr. Mercader Perez's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Mariana Mercader Perez go to medical school?
Dr. Mercader Perez graduated from University of Puerto Rico School of Medicine in 2014.
What drugs does Dr. Mariana Mercader Perez prescribe most?
In 2023 Medicare Part D data, Dr. Mercader Perez's most prescribed drugs by claims were Montelukast Sodium, Symbicort and Albuterol Sulfate Hfa.
Has Dr. Mariana Mercader Perez received payments from drug or device companies?
CMS Open Payments shows $494 in general payments to Dr. Mercader Perez from 9 companies from 2018 to 2022. The largest total came from Genentech, Inc.
How long has Dr. Mariana Mercader Perez been practicing?
Dr. Mercader Perez graduated from medical school in 2014, 12 years ago.
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