Dr. Ismael Mercado, MD
- Medicare services, 2023
- 28
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 8,279
- Industry payments
- $12,204
- State license
- 1
- 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. Mercado's professional email, personal email and mobile number
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Dr. Ismael Mercado is a general practice physician in Bayamon, Puerto Rico
Dr. Mercado practices at Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico.
Dr. Mercado's NPI, 1376521997, was assigned on January 4, 2006. Dr. Mercado holds Puerto Rico license 14690.
- NPI
- 1376521997NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971592130
- NPI enumeration date
- January 4, 2006
- 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
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ismael Mercado practices at Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico
Dr. Mercado'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. Ismael Mercado is affiliated with 1 site of care
Dr. Mercado's primary practice is Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ismael Mercado's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mercado practices. 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 |
Source: Dmand AI Technology Install Data
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Dr. Ismael Mercado is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Mercado's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Mercado is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Mercado
Counts of general practice physicians 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. Ismael Mercado billed Medicare for 28 services in 2023
CMS data shows 28 Medicare services from Dr. Mercado across 1 procedure code in 2023, all of them office visits, for 11 Medicare patients. Medicare paid $690 for them. Every service was in an office.
Dr. Mercado's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1152023: 2876%
Dr. Mercado compared with the Puerto Rico median for general practice physicians, 2023
- Dr. Mercado
- Puerto Rico median
- Medicare services
- 28vs 3418% below
- Medicare patients
- 11vs 1942% below
- Part D claims
- 7,561vs 73510.3 times
Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Mercado's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ismael Mercado treated 11 Medicare patients in 2024, average age 73
CMS counts 11 Medicare patients who saw Dr. Mercado in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mercado's median patient age at 66, with 40% women.
Dr. Mercado's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mercado's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ismael Mercado wrote 8,279 Medicare Part D claims in 2024
In 2024, Dr. Mercado wrote 8,279 Medicare Part D claims for 466 patients. 88% of them were for generic drugs. CMS names the drug for 7,561 of them, across 134 drugs with 11 or more claims each, at $388,259 in total drug cost. In 2023, CMS named 7,726 claims across 126 drugs.
Dr. Mercado's Part D claims by kind of drug, 2024
- Generic7,283 claims88%
- Brand-name952 claims11%
- Other44 claims1%
Dr. Mercado's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mercado's Part D claims, 2024
- Opioids1%53 of 8,279 claims
- Antibiotics5%454 of 8,279 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,7262024: 7,5612%
Drugs named by CMS: 134 in 2024, 126 in 2023.
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
How Dr. Ismael Mercado takes part in Medicare
Dr. Mercado accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ismael Mercado received $12,204 in industry payments from 2016 to 2025
CMS Open Payments shows 219 general payments to Dr. Mercado from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,666.
General payments to Dr. Mercado by program year, 2016 to 2025
General payments to Dr. Mercado by kind, 2016 to 2025
- Food and beverage$12,188100%
- Education$160%
Companies that paid Dr. Mercado the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ismael Mercado'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ismael Mercado
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. Ismael Mercado's NPI number?
Dr. Ismael Mercado's NPI number is 1376521997. It was assigned on January 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ismael Mercado?
Dr. Ismael Mercado is a general practice physician in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Ismael Mercado practice?
Dr. Mercado practices at Hh-9 J, Bayamon, PR 00957. Dr. Mercado's primary practice is Doctors Center Hospital Bayamon Inc in Bayamon, Puerto Rico.
What is Dr. Ismael Mercado's office phone number?
The practice phone on file for Dr. Mercado is (787) 622-5421.
What is Dr. Ismael Mercado's medical license number?
Dr. Mercado holds Puerto Rico license 14690.
Does Dr. Ismael Mercado accept Medicare?
Yes. CMS data shows Dr. Mercado billed Medicare for 28 services in 2023, and Dr. Mercado accepts Medicare assignment.
How many Medicare patients does Dr. Ismael Mercado see?
CMS counts 11 Medicare patients who saw Dr. Mercado in 2024, with an average age of 73.
What services does Dr. Ismael Mercado bill to Medicare?
In 2023, Dr. Mercado's most billed Medicare services were office visit, established patient (99212).
What drugs does Dr. Ismael Mercado prescribe most?
In 2024 Medicare Part D data, Dr. Mercado's most prescribed drugs by claims were Synthroid, Omega-3 Acid Ethyl Esters and Dexamethasone.
Has Dr. Ismael Mercado received payments from drug or device companies?
CMS Open Payments shows $12,204 in general payments to Dr. Mercado from 26 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Ismael Mercado been practicing?
Dr. Mercado graduated from medical school in 1998, 28 years ago.
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