Dr. John D. Merlino, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 353
- Publications
- 8
- MIPS score, 2024
- 93
- Practice address
- 80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303
- Practice phone
- Call (404) 616-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Merlino'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. John D. Merlino is a cardiologist in Atlanta, Georgia
Dr. Merlino practices at Grady Memorial Hospital in Atlanta, Georgia, part of The Fulton-DeKalb Hospital Authority.
Dr. Merlino's NPI, 1821005570, was assigned on August 2, 2006. Dr. Merlino graduated from Warren Alpert Medical School of Brown University in 1983. Dr. Merlino holds Georgia license 027868.
- NPI
- 1821005570NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577688365
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (404) 616-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John D. Merlino practices at Grady Memorial Hospital in Atlanta, Georgia
Dr. Merlino's primary practice is Grady Memorial Hospital, at 80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303 in Fulton County. The practice phone is (404) 616-1000.
- Grady Memorial Hospital80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303 · Fulton CountyPhone(404) 616-1000
Source: Dmand AI Affiliation Data
Dr. John D. Merlino is affiliated with 2 sites of care and 2 medical groups
Dr. Merlino's primary practice is Grady Memorial Hospital in Atlanta, Georgia, part of The Fulton-DeKalb Hospital Authority. Dr. Merlino is also affiliated with Emory University Hospital Midtown. The medical group on file is Emory Clinic. Dmand AI also links Dr. Merlino to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John D. Merlino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merlino practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grady Memorial Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John D. Merlino is one of 665 cardiologists in Georgia
Cardiovascular disease is Dr. Merlino's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Merlino is licensed in Georgia.
Specialties and state licenses
- Cardiovascular disease, GeorgiaPrimary
Cardiologists near Dr. Merlino
Counts of cardiologists 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. John D. Merlino billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Merlino across 1 procedure code in 2024, all of them office visits, for 16 Medicare patients. Medicare paid $702 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Merlino's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 202024: 1240%
Dr. Merlino compared with the Georgia median for cardiologists, 2024
- Dr. Merlino
- Georgia median
- Medicare services
- 12vs 1,75499% below
- Medicare patients
- 16vs 73598% below
- Part D claims
- 275vs 2,46789% below
Medians across 637 cardiologists in Georgia with Dmand AI profiles that report each measure.
Dr. Merlino'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. Merlino and other cardiologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Merlino treated 16 Medicare patients in 2024, average age 69
CMS counts 16 Medicare patients who saw Dr. Merlino in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure. Their average risk score is 2.43, 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. Merlino's median patient age at 69, with 60% women.
Dr. Merlino's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Merlino's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merlino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John D. Merlino wrote 353 Medicare Part D claims in 2024
In 2024, Dr. Merlino wrote 353 Medicare Part D claims for 53 patients. 81% of them were for generic drugs. CMS names the drug for 275 of them, across 11 drugs with 11 or more claims each, at $62,901 in total drug cost. In 2023, CMS named 133 claims across 8 drugs.
Dr. Merlino's Part D claims by kind of drug, 2024
- Generic287 claims81%
- Brand-name and other66 claims19%
Dr. Merlino'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1332024: 275107%
Drugs named by CMS: 11 in 2024, 8 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
Dr. John D. Merlino scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Merlino for performance year 2024, reported as part of a group. Dr. Merlino accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Merlino's MIPS scores, performance year 2024
- 93of 100Final score
- 73.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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. John D. Merlino has 8 publications on record
Dmand AI links 8 papers to Dr. Merlino, published from 2011 to 2017. 2012 was the busiest year, with 2. The most frequent topics are Coronary Artery Bypass, Echocardiography and Heart Ventricles. Dr. Merlino has published most often in Ann Thorac Surg. Dr. Merlino's most frequent co-authors are Vasilis C. Babaliaros, MD, Robert A. Guyton, MD and Tom C. Nguyen, MD.
Dr. Merlino's papers by year, 2011 to 2017
Topics Dr. Merlino writes about most
- Coronary Artery Bypass
- Echocardiography
- Heart Ventricles
- Transcatheter Aortic Valve Replacement
- Ventricular Function, Left
Dr. Merlino's most frequent co-authors
- Vasilis C. Babaliaros, MD3 shared papers
- Robert A. Guyton, MD3 shared papers
- Tom C. Nguyen, MD3 shared papers
Recent publications by Dr. Merlino
Pacing Clin Electrophysiol
Ann Thorac Surg
See who Dr. Merlino researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Merlino works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John D. Merlino received $430 in industry payments from 2016 to 2018
CMS Open Payments shows 14 general payments to Dr. Merlino from 6 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $159.
General payments to Dr. Merlino by program year, 2016 to 2018
Companies that paid Dr. Merlino the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John D. Merlino graduated from Warren Alpert Medical School of Brown University
Dr. Merlino graduated from Warren Alpert Medical School of Brown University in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John D. Merlino'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John D. Merlino
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. John D. Merlino's NPI number?
Dr. John D. Merlino's NPI number is 1821005570. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Merlino?
Dr. John D. Merlino is a cardiologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. John D. Merlino practice?
Dr. Merlino practices at 80 Jesse Hill, Jr Drive SE, Atlanta, GA 30303. Dr. Merlino's primary practice is Grady Memorial Hospital in Atlanta, Georgia, part of The Fulton-DeKalb Hospital Authority. Dmand AI also links Dr. Merlino to 1 medical group.
What is Dr. John D. Merlino's office phone number?
The practice phone on file for Dr. Merlino is (404) 616-1000.
What is Dr. John D. Merlino's medical license number?
Dr. Merlino holds Georgia license 027868.
Which hospitals is Dr. John D. Merlino affiliated with?
Dr. Merlino practices at Grady Memorial Hospital in Atlanta, Georgia. Dr. Merlino is also affiliated with Emory University Hospital Midtown.
What medical group is Dr. John D. Merlino part of?
Dr. Merlino is linked to Emory Clinic. Dmand AI links Dr. Merlino to 1 more medical group.
Does Dr. John D. Merlino accept Medicare?
Yes. CMS data shows Dr. Merlino billed Medicare for 12 services in 2024, and Dr. Merlino accepts Medicare assignment.
What is Dr. John D. Merlino's MIPS score?
Dr. Merlino's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. John D. Merlino see?
CMS counts 16 Medicare patients who saw Dr. Merlino in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
What services does Dr. John D. Merlino bill to Medicare?
In 2024, Dr. Merlino's most billed Medicare services were office visit, established patient (99214).
Where did Dr. John D. Merlino go to medical school?
Dr. Merlino graduated from Warren Alpert Medical School of Brown University in 1983.
What drugs does Dr. John D. Merlino prescribe most?
In 2024 Medicare Part D data, Dr. Merlino's most prescribed drugs by claims were Atorvastatin Calcium, Furosemide and Carvedilol.
Has Dr. John D. Merlino received payments from drug or device companies?
CMS Open Payments shows $430 in general payments to Dr. Merlino from 6 companies from 2016 to 2018. The largest total came from Abbott Laboratories.
How long has Dr. John D. Merlino been practicing?
Dr. Merlino graduated from medical school in 1983, 43 years ago.
Does Dr. John D. Merlino do research?
Dmand AI links 8 publications to Dr. Merlino, published from 2011 to 2017.
Who does Dr. John D. Merlino publish with?
Dr. Merlino's most frequent co-authors are Vasilis C. Babaliaros, MD (3 shared papers), Robert A. Guyton, MD (3 shared papers) and Tom C. Nguyen, MD (3 shared papers).
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