Dr. Harry E. Mercado, MD
- Medicare services, 2019
- 73
- Part D claims, 2024
- 2,942
- Hospital affiliations
- 1
- Industry payments
- $23
- State license
- 1
- Practice address
- 371 De Diego Ave, San Juan, PR 00923
- Practice phone
- Call (787) 767-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Harry E. Mercado is a family medicine physician in San Juan, Puerto Rico
Dr. Mercado practices at Hospital San Francisco in San Juan, Puerto Rico, part of Metro Pavia Health System.
Dr. Mercado's NPI, 1932186798, was assigned on December 22, 2005. Dr. Mercado graduated from University of Puerto Rico School of Medicine in 1980. Dr. Mercado holds Puerto Rico license 06906.
- NPI
- 1932186798NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769635408
- NPI enumeration date
- December 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 767-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harry E. Mercado practices at 2 locations in San Juan, Puerto Rico
Dr. Mercado's primary practice is Hospital San Francisco, at 371 De Diego Ave, San Juan, PR 00923 in San Juan County. The practice phone is (787) 767-5100. Dr. Mercado also practices at Hospital San Francisco, 405 De Diego, San Juan, PR 00923.
- Hospital San FranciscoPrimary371 De Diego Ave, San Juan, PR 00923 · San Juan CountyPhone(787) 767-5100
- Hospital San Francisco405 De Diego, San Juan, PR 00923 · San Juan CountyPhone(787) 767-5100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Harry E. Mercado is affiliated with 1 site of care
Dr. Mercado's primary practice is Hospital San Francisco in San Juan, Puerto Rico, part of Metro Pavia Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Harry E. 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 |
|---|---|
| Hospital San Francisco | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Metro Pavia Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Harry E. Mercado is one of 378 family medicine physicians in Puerto Rico
Family medicine is Dr. Mercado's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Mercado is licensed in Puerto Rico.
Specialties and state licenses
- Family medicine, Puerto RicoPrimary
Family medicine physicians near Dr. Mercado
Counts of family medicine 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. Harry E. Mercado billed Medicare for 73 services in 2019
CMS data shows 73 Medicare services from Dr. Mercado across 1 procedure code in 2019, all of them office visits. Medicare paid $3,600 for them. Every service was in an office.
Dr. Mercado's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 222019: 73232%
Dr. Mercado compared with the Puerto Rico median for family medicine physicians, 2019
- Dr. Mercado
- Puerto Rico median
- Medicare services
- 73vs 4852% above
- Part D claims
- 2,448vs 2,04820% above
Medians across 436 family medicine physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Mercado's most billed Medicare procedure codes, 2019
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. Harry E. Mercado's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Mercado's median patient age at 63, with 0% women.
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 63
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Harry E. Mercado wrote 2,942 Medicare Part D claims in 2024
In 2024, Dr. Mercado wrote 2,942 Medicare Part D claims for 219 patients. 88% of them were for generic drugs. CMS names the drug for 2,448 of them, across 56 drugs with 11 or more claims each, at $138,403 in total drug cost. In 2023, CMS named 2,347 claims across 57 drugs.
Dr. Mercado's Part D claims by kind of drug, 2024
- Generic2,590 claims88%
- Brand-name325 claims11%
- Other27 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
- Antibiotics1%43 of 2,942 claims
- Antipsychotics, patients 65 and over0%14 of 2,942 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: 2,3472024: 2,4484%
Drugs named by CMS: 56 in 2024, 57 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. Harry E. 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. Harry E. Mercado received $23 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Mercado from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $23.
Companies that paid Dr. Mercado the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Harry E. Mercado graduated from University of Puerto Rico School of Medicine
Dr. Mercado graduated from University of Puerto Rico School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Harry E. 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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Data |
| 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) |
| 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. Harry E. Mercado
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What is Dr. Harry E. Mercado's NPI number?
Dr. Harry E. Mercado's NPI number is 1932186798. It was assigned on December 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Harry E. Mercado?
Dr. Harry E. Mercado is a family medicine physician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Harry E. Mercado practice?
Dr. Mercado practices at 371 De Diego Ave, San Juan, PR 00923. Dr. Mercado also practices at 405 De Diego, San Juan, PR 00923. Dr. Mercado's primary practice is Hospital San Francisco in San Juan, Puerto Rico, part of Metro Pavia Health System.
What is Dr. Harry E. Mercado's office phone number?
The practice phone on file for Dr. Mercado is (787) 767-5100.
What is Dr. Harry E. Mercado's medical license number?
Dr. Mercado holds Puerto Rico license 06906.
Which hospitals is Dr. Harry E. Mercado affiliated with?
Dr. Mercado practices at Hospital San Francisco in San Juan, Puerto Rico.
Does Dr. Harry E. Mercado accept Medicare?
Yes. CMS data shows Dr. Mercado billed Medicare for 73 services in 2019, and Dr. Mercado accepts Medicare assignment.
What services does Dr. Harry E. Mercado bill to Medicare?
In 2019, Dr. Mercado's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Harry E. Mercado go to medical school?
Dr. Mercado graduated from University of Puerto Rico School of Medicine in 1980.
What drugs does Dr. Harry E. Mercado prescribe most?
In 2024 Medicare Part D data, Dr. Mercado's most prescribed drugs by claims were Simvastatin, Atorvastatin Calcium and Gabapentin.
Has Dr. Harry E. Mercado received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Mercado from 1 company from 2022 to 2022. The largest total came from Pfizer Inc.
How long has Dr. Harry E. Mercado been practicing?
Dr. Mercado graduated from medical school in 1980, 46 years ago.
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