Dr. Marcus St John, MD
- Medicare services, 2024
- 2,119
- Medicare patients, 2024
- 845
- Part D claims, 2024
- 6,099
- MIPS score, 2024
- 99
- Hospital affiliations
- 5
- Practice address
- 8900 N Kendall Dr, Miami, FL 33176
- Practice phone
- Call (786) 596-1960
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. St John'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. Marcus St John is an interventional cardiologist in Miami, Florida
Dr. St John practices at Baptist Health Baptist Hospital in Miami, Florida, part of Baptist Health South Florida.
Dr. St John's NPI, 1073510269, was assigned on July 1, 2005. Dr. St John graduated from Harvard Medical School in 1997. Dr. St John holds Florida license ME90609.
- NPI
- 1073510269NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143289132
- NPI enumeration date
- July 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (786) 596-1960
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marcus St John practices at Baptist Health Baptist Hospital in Miami, Florida
Dr. St John's primary practice is Baptist Health Baptist Hospital, at 8900 N Kendall Dr, Miami, FL 33176 in Miami-Dade County. The practice phone is (786) 596-1960.
- Baptist Health Baptist Hospital8900 N Kendall Dr, Miami, FL 33176 · Miami-Dade CountyPhone(786) 596-1960
Source: Dmand AI Affiliation Data
Dr. Marcus St John is affiliated with 10 sites of care and 4 medical groups
Dr. St John's primary practice is Baptist Health Baptist Hospital in Miami, Florida, part of Baptist Health South Florida. Dr. St John is also affiliated with South Miami Hospital. The medical group on file is Baptist Health Medical Group. Dmand AI also links Dr. St John to 3 more hospitals, 4 group practices and clinics, 3 medical groups and 1 breast imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marcus St John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St John practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Baptist Hospital | Available with a free account |
| +9 more sites and 3 medical groups | 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 Baptist Health South Florida and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marcus St John is one of 585 interventional cardiologists in Florida
Interventional cardiology is Dr. St John's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. St John is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. St John's licenses on file in 2 states: Florida and Maryland.
Specialties and state licenses
- Interventional cardiology, FloridaPrimary
- Maryland license
Clinical focus
Dmand AI lists angioplasty and cardiac catheterization among the conditions Dr. St John treats.
Interventional cardiologists near Dr. St John
Counts of interventional 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. Marcus St John billed Medicare for 2,119 services in 2024
CMS data shows 2,119 Medicare services from Dr. St John across 16 procedure codes in 2024, for 845 Medicare patients. Medicare paid $115,893 for them.
Dr. St John's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9652024: 85012%
- Office and hospital visits
- 2023: 5742024: 5862%
- Other services
- 2023: 372024: 4721176%
- Drugs given in the office
- 2023: 482024: 128167%
- Surgery
- 2023: 382024: 4211%
- Imaging
- 2023: 172024: 41141%
Where Dr. St John's Medicare services took place, 2024
- In an office1,56874%
- In a facility55126%
Dr. St John compared with the Florida median for interventional cardiologists, 2024
- Dr. St John
- Florida median
- Medicare services
- 2,119vs 2,52416% below
- Medicare patients
- 845vs 7808% above
- Part D claims
- 5,772vs 1,9622.9 times
Medians across 578 interventional cardiologists in Florida with Dmand AI profiles that report each measure.
Dr. St John'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. St John and other interventional cardiologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marcus St John treated 845 Medicare patients in 2024, average age 77
CMS counts 845 Medicare patients who saw Dr. St John in 2024. The largest group is 75 to 84, with 323 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.95, 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. St John's median patient age at 70, with 48% women.
Dr. St John's Medicare patients by age, 2024
Dr. St John's Medicare patients by sex, 2024
- Women43852%
- Men40748%
Chronic conditions among Dr. St John's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease70%
- Arthritis57%
- Diabetes44%
- Chronic kidney disease41%
- Atrial fibrillation33%
- Heart failure33%
Share of Medicare patients with each condition. A patient can have several.
Dr. St John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marcus St John wrote 6,099 Medicare Part D claims in 2024
In 2024, Dr. St John wrote 6,099 Medicare Part D claims for 792 patients. 83% of them were for generic drugs. CMS names the drug for 5,772 of them, across 48 drugs with 11 or more claims each, at $1,186,975 in total drug cost. In 2023, CMS named 5,473 claims across 55 drugs.
Dr. St John's Part D claims by kind of drug, 2024
- Generic5,090 claims83%
- Brand-name1,009 claims17%
Dr. St John'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. St John's Part D claims, 2024
- Antibiotics0%12 of 6,099 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: 5,4732024: 5,7725%
Drugs named by CMS: 48 in 2024, 55 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. Marcus St John scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. St John for performance year 2024, reported through an alternative payment model (APM). Dr. St John accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. St John as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. St John's MIPS scores, performance year 2024
- 99of 100Final score
- 81.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marcus St John received $47,594 in industry payments from 2016 to 2025
CMS Open Payments shows 317 general payments to Dr. St John from 44 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 51% of the total. Philips Electronics North America Corporation paid the most, $18,537.
General payments to Dr. St John by program year, 2016 to 2025
General payments to Dr. St John by kind, 2016 to 2025
- Travel and lodging$24,32251%
- Food and beverage$11,81925%
- Speaker and faculty fees$5,87512%
- Consulting fees$5,32511%
- Education$2531%
Companies that paid Dr. St John the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marcus St John has 1 award and honors on record
Dmand AI lists 1 award for Dr. St John, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. St John
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Marcus St John graduated from Harvard Medical School
Dr. St John graduated from Harvard Medical School in 1997. Dr. St John is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in interventional cardiology
Source: Dmand AI Professional Profile Data
Dr. Marcus St John accepts plans from 12 insurance carriers
Dr. St John is in network with 12 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Cigna
- Humana
- Blue Cross Blue Shield of Michigan
- Molina
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. St John accepts, by number of carriers
- HMO7
- PPO7
- Medicare6
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Marcus St John'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Marcus St John
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. Marcus St John's NPI number?
Dr. Marcus St John's NPI number is 1073510269. It was assigned on July 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Marcus St John?
Dr. Marcus St John is an interventional cardiologist in Miami, Florida. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Marcus St John practice?
Dr. St John practices at 8900 N Kendall Dr, Miami, FL 33176. Dr. St John's primary practice is Baptist Health Baptist Hospital in Miami, Florida, part of Baptist Health South Florida. Dmand AI also links Dr. St John to 3 hospitals, 4 group practices and clinics, 3 medical groups and 1 breast imaging center.
What is Dr. Marcus St John's office phone number?
The practice phone on file for Dr. St John is (786) 596-1960.
What is Dr. Marcus St John's medical license number?
Dr. St John holds Florida license ME90609, one of the licenses on file in 2 states.
Which states has Dr. Marcus St John been licensed in?
Dmand AI has state licenses on file for Dr. St John in Florida (2004 to 2026) and Maryland (2004 to 2011).
Which hospitals is Dr. Marcus St John affiliated with?
Dr. St John practices at Baptist Health Baptist Hospital in Miami, Florida. Dr. St John is also affiliated with South Miami Hospital. Dmand AI links Dr. St John to 3 more hospitals.
What medical group is Dr. Marcus St John part of?
Dr. St John is linked to Baptist Health Medical Group. Dmand AI links Dr. St John to 3 more medical groups.
Does Dr. Marcus St John accept Medicare?
Yes. CMS data shows Dr. St John billed Medicare for 2,119 services in 2024, and Dr. St John accepts Medicare assignment.
Does Dr. Marcus St John offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. St John as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Marcus St John's MIPS score?
Dr. St John's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Marcus St John see?
CMS counts 845 Medicare patients who saw Dr. St John in 2024, with an average age of 77.
Is Dr. Marcus St John board certified?
Yes. Dr. St John is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Marcus St John bill to Medicare?
In 2024, Dr. St John's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and medicare service (G2211).
Where did Dr. Marcus St John go to medical school?
Dr. St John graduated from Harvard Medical School in 1997.
What drugs does Dr. Marcus St John prescribe most?
In 2024 Medicare Part D data, Dr. St John's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Metoprolol Succinate.
Has Dr. Marcus St John received payments from drug or device companies?
CMS Open Payments shows $47,594 in general payments to Dr. St John from 44 companies from 2016 to 2025. The largest total came from Philips Electronics North America Corporation.
How long has Dr. Marcus St John been practicing?
Dr. St John graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Marcus St John accept?
Dr. St John is in network with 12 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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