Dr. Jonna Ortiz Mercado, MD
- Medicare services, 2023
- 71
- Part D claims, 2024
- 13
- Hospital affiliations
- 2
- Industry payments
- $25
- Medical groups
- 3
- Practice address
- 760 Broadway, Brooklyn, NY 11206
- Practice phone
- Call (718) 963-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mercado'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. Jonna Ortiz Mercado is an internist in Brooklyn, New York
Dr. Mercado practices at NYC Health + Hospitals/Woodhull in Brooklyn, New York, part of NYC.
Dr. Mercado's NPI, 1811214422, was assigned on April 23, 2010. Dr. Mercado holds New York license 264384.
- NPI
- 1811214422NPI Registry (opens in a new tab)
- NPI enumeration date
- April 23, 2010
- NPI status
- Active
- Practice phone
- (718) 963-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jonna Ortiz Mercado practices at NYC Health + Hospitals/Woodhull in Brooklyn, New York
Dr. Mercado's primary practice is NYC Health + Hospitals/Woodhull, at 760 Broadway, Brooklyn, NY 11206 in Kings County. The practice phone is (718) 963-8100.
- NYC Health + Hospitals/Woodhull760 Broadway, Brooklyn, NY 11206 · Kings CountyPhone(718) 963-8100
Source: Dmand AI Affiliation Data
Dr. Jonna Ortiz Mercado is affiliated with 2 sites of care and 3 medical groups
Dr. Mercado's primary practice is NYC Health + Hospitals/Woodhull in Brooklyn, New York, part of NYC. Dr. Mercado is also affiliated with NYC Health + Hospitals/Metropolitan. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Mercado to 2 more medical groups, each named with a free account. Dr. Mercado's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonna Ortiz Mercado's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mercado practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Health + Hospitals/Woodhull | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonna Ortiz Mercado is one of 9,643 internists in New York
Internal medicine is Dr. Mercado's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mercado is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Mercado
Counts of internists 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. Jonna Ortiz Mercado billed Medicare for 71 services in 2023
CMS data shows 71 Medicare services from Dr. Mercado across 1 procedure code in 2023. Medicare paid $6,182 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mercado's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2012023: 7165%
Dr. Mercado compared with the New York median for internists, 2023
- Dr. Mercado
- New York median
- Medicare services
- 71vs 42683% below
- Part D claims
- 101vs 62284% below
Medians across 9,428 internists in New York 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mercado and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonna Ortiz Mercado's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Mercado's median patient age at 68, with 60% 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 68
Patient panel by sex, all payers
- Women60%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Jonna Ortiz Mercado wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Mercado wrote 13 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $529 in total drug cost. In 2022, CMS named 54 claims across 1 drug.
Dr. Mercado'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: 542023: 10187%
Drugs named by CMS: 1 in 2023, 1 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
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Dr. Jonna Ortiz Mercado received $25 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Mercado from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $25.
Companies that paid Dr. Mercado the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jonna Ortiz 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 | Dmand AI Affiliation 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) |
| 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. Jonna Ortiz 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. Jonna Ortiz Mercado's NPI number?
Dr. Jonna Ortiz Mercado's NPI number is 1811214422. It was assigned on April 23, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonna Ortiz Mercado?
Dr. Jonna Ortiz Mercado is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonna Ortiz Mercado practice?
Dr. Mercado practices at 760 Broadway, Brooklyn, NY 11206. Dr. Mercado's primary practice is NYC Health + Hospitals/Woodhull in Brooklyn, New York, part of NYC. Dmand AI also links Dr. Mercado to 2 medical groups.
What is Dr. Jonna Ortiz Mercado's office phone number?
The practice phone on file for Dr. Mercado is (718) 963-8100.
What is Dr. Jonna Ortiz Mercado's medical license number?
Dr. Mercado holds New York license 264384.
Which hospitals is Dr. Jonna Ortiz Mercado affiliated with?
Dr. Mercado practices at NYC Health + Hospitals/Woodhull in Brooklyn, New York. Dr. Mercado is also affiliated with NYC Health + Hospitals/Metropolitan.
What medical group is Dr. Jonna Ortiz Mercado part of?
Dr. Mercado is linked to Mount Sinai Institute for Liver Medicine. Dmand AI links Dr. Mercado to 2 more medical groups.
Does Dr. Jonna Ortiz Mercado accept Medicare?
Yes. CMS data shows Dr. Mercado billed Medicare for 71 services in 2023.
What services does Dr. Jonna Ortiz Mercado bill to Medicare?
In 2023, Dr. Mercado's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Jonna Ortiz Mercado prescribe most?
In 2023 Medicare Part D data, Dr. Mercado's most prescribed drugs by claims were Warfarin Sodium.
Has Dr. Jonna Ortiz Mercado received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Mercado from 1 company from 2016 to 2016. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Jonna Ortiz Mercado been practicing?
Dr. Mercado graduated from medical school in 1999, 27 years ago.
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