Dr. Steven O. Marx, MD

  • New York, NY
  • Cardiologist
NPI1548277619PAC ID6709983208
Medicare services, 2023
54
Medicare patients, 2024
12
Part D claims, 2021
12
Publications
78
MIPS score, 2024
100
Practice address
622 W 168th St, New York, NY 10032
Practice phone
Call (212) 297-4255
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Columbia University Irving Medical Center

New York, New York

See all 6 affiliations

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Dr. Steven O. Marx is a cardiologist in New York, New York

Dr. Marx practices at Columbia University Irving Medical Center in New York, New York.

Dr. Marx's NPI, 1548277619, was assigned on August 2, 2006. Dr. Marx graduated from Albany Medical College in 1988. Dr. Marx holds New York license 184140.

NPI and contact details
Medicare PAC ID
6709983208
NPI enumeration date
August 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 297-4255
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Steven O. Marx practices at Columbia University Irving Medical Center in New York, New York

Dr. Marx's primary practice is Columbia University Irving Medical Center, at 622 W 168th St, New York, NY 10032 in New York County. The practice phone is (212) 297-4255.

  • Columbia University Irving Medical Center
    622 W 168th St, New York, NY 10032 · New York CountyPhone(212) 297-4255

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Steven O. Marx is affiliated with 4 sites of care and 2 medical groups

Dr. Marx's primary practice is Columbia University Irving Medical Center in New York, New York. Dr. Marx is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Marx to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Marx

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Steven O. Marx's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marx practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Columbia University Irving Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Steven O. Marx is one of 2,265 cardiologists in New York

Cardiovascular disease is Dr. Marx's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Marx is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Marx's licenses on file in 2 states: New York and Connecticut.

Specialties and state licenses

  • Cardiovascular disease, New YorkPrimaryLicense 184140 · 1990 to 2026 · taxonomy 207RC0000X
  • Connecticut license1998 to 2007

Cardiologists near Dr. Marx

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. Steven O. Marx billed Medicare for 54 services in 2023

CMS data shows 54 Medicare services from Dr. Marx across 1 procedure code in 2023, for 12 Medicare patients. Medicare paid $2,472 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202354
Medicare patients12
Paid by Medicare$2,472
Procedure codes1

Dr. Marx's Medicare services by type, 2019 to 2023

  • 2019
  • 2023
Office and hospital visits
2019: 02023: 54
Tests and treatments
2019: 372023: 0100%

Dr. Marx compared with the New York median for cardiologists, 2023

  • Dr. Marx
  • New York median
Medicare services
54vs 1,67497% below
Medicare patients
12vs 61198% below
Part D claims
12vs 1,41299% below

Medians across 2,211 cardiologists in New York with Dmand AI profiles that report each measure.

Dr. Marx'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.

See all procedures by Dr. Marx

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Steven O. Marx treated 12 Medicare patients in 2024, average age 77

CMS counts 12 Medicare patients who saw Dr. Marx in 2024. 75% of them have atrial fibrillation, and 75% have high blood pressure. Their average risk score is 3.00, 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. Marx's median patient age at 79, with 43% women.

Medicare patients, 202412
Average age77
Average risk score3.00

Chronic conditions among Dr. Marx's Medicare patients, 2024

  1. Atrial fibrillation75%
  2. High blood pressure75%
  3. High cholesterol75%

Share of Medicare patients with each condition. A patient can have several.

Dr. Marx's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women43%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Steven O. Marx wrote 12 Medicare Part D claims in 2021

In 2021, Dr. Marx wrote 12 Medicare Part D claims. They cover 1 drug, with $6,329 in total drug cost. In 2020, CMS named 12 claims across 1 drug.

Part D claims, 202112
Drugs named by CMS1
Total drug cost$6,329

Dr. Marx's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 122021: 12No change

Drugs named by CMS: 1 in 2021, 1 in 2020.

See all prescribing by Dr. Marx

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Steven O. Marx scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Marx for performance year 2024, reported through an alternative payment model (APM). Dr. Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Marx's MIPS scores, performance year 2024

  • 100of 100Final score
  • 85.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

For MedTech and pharma teams

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Dr. Steven O. Marx has 78 publications on record

Dmand AI links 78 papers to Dr. Marx, published from 2010 to 2025. 2019 was the busiest year, with 6. The most frequent topics are Calcium, Myocytes, Cardiac and Percutaneous Coronary Intervention. Dr. Marx has published most often in JCI Insight. Dr. Marx's most frequent co-authors are Jared Scott Kushner, Roxana Mehran, MD and Dominick Joseph Angiolillo, MD.

Papers78
Years published2010 to 2025

Dr. Marx's papers by year, 2015 to 2025

Topics Dr. Marx writes about most

  • Calcium
  • Myocytes, Cardiac
  • Percutaneous Coronary Intervention
  • Calcium Channels, L-Type
  • Phosphorylation
  • Arrhythmias, Cardiac
  • Cyclic AMP-Dependent Protein Kinases
  • Hemorrhage

Dr. Marx's most frequent co-authors

Recent publications by Dr. Marx

See all 78 publications and co-authors

See who Dr. Marx researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marx works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Steven O. Marx received $458,457 in industry payments from 2016 to 2025

CMS Open Payments shows 409 general payments to Dr. Marx from 5 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 100% of the total. Abbott Laboratories paid the most, $440,858.

General payments to Dr. Marx by program year, 2016 to 2025

General payments to Dr. Marx by kind, 2016 to 2025

$458.5Kin total
  • Consulting fees$457,960100%
  • Food and beverage$4390%
  • Grants$580%

Companies that paid Dr. Marx the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Marx

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Steven O. Marx has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Marx, most recently Elected member in 2022.

Awards and honors for Dr. Marx

  1. 2022
    • Elected member
  2. 2006
    • ASCI Member

Source: Dmand AI Professional Profile Data

Dr. Steven O. Marx graduated from Albany Medical College

Dr. Marx graduated from Albany Medical College in 1988.

  1. Medical schoolAlbany Medical College
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Steven O. Marx accepts plans from 12 insurance carriers

Dr. Marx is in network with 12 carriers, including Excellus BlueCross BlueShield, United Healthcare and Cigna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • United Healthcare
  • Cigna
  • Elevance
  • MVP Health Care
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross Blue Shield of Michigan
  • +4 more carriersWith a free account

Plan types Dr. Marx accepts, by number of carriers

  1. PPO7
  2. HMO5
  3. Medicare4
  4. EPO3
  5. POS2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Steven O. Marx's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Steven O. Marx

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. Steven O. Marx's NPI number?

Dr. Steven O. Marx's NPI number is 1548277619. It was assigned on August 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Steven O. Marx?

Dr. Steven O. Marx is a cardiologist in New York, New York. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Steven O. Marx practice?

Dr. Marx practices at 622 W 168th St, New York, NY 10032. Dr. Marx's primary practice is Columbia University Irving Medical Center in New York, New York. Dmand AI also links Dr. Marx to 2 group practices and clinics and 1 medical group.

What is Dr. Steven O. Marx's office phone number?

The practice phone on file for Dr. Marx is (212) 297-4255.

What is Dr. Steven O. Marx's medical license number?

Dr. Marx holds New York license 184140, one of the licenses on file in 2 states.

Which states has Dr. Steven O. Marx been licensed in?

Dmand AI has state licenses on file for Dr. Marx in New York (1990 to 2026) and Connecticut (1998 to 2007).

Which hospitals is Dr. Steven O. Marx affiliated with?

Dr. Marx is affiliated with NewYork-Presbyterian/Weill Cornell Medical Center.

What medical group is Dr. Steven O. Marx part of?

Dr. Marx is linked to ColumbiaDoctors. Dmand AI links Dr. Marx to 1 more medical group.

Does Dr. Steven O. Marx accept Medicare?

Yes. CMS data shows Dr. Marx billed Medicare for 54 services in 2023, and Dr. Marx accepts Medicare assignment.

What is Dr. Steven O. Marx's MIPS score?

Dr. Marx's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Steven O. Marx see?

CMS counts 12 Medicare patients who saw Dr. Marx in 2024, with an average age of 77.

Is Dr. Steven O. Marx board certified?

Yes. Dr. Marx is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Steven O. Marx bill to Medicare?

In 2023, Dr. Marx's most billed Medicare services were hospital inpatient care (99231).

Where did Dr. Steven O. Marx go to medical school?

Dr. Marx graduated from Albany Medical College in 1988.

What drugs does Dr. Steven O. Marx prescribe most?

In 2021 Medicare Part D data, Dr. Marx's most prescribed drugs by claims were Eliquis.

Has Dr. Steven O. Marx received payments from drug or device companies?

CMS Open Payments shows $458,457 in general payments to Dr. Marx from 5 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Steven O. Marx been practicing?

Dr. Marx graduated from medical school in 1988, 38 years ago.

Does Dr. Steven O. Marx do research?

Dmand AI links 78 publications to Dr. Marx, published from 2010 to 2025.

Who does Dr. Steven O. Marx publish with?

Dr. Marx's most frequent co-authors are Jared Scott Kushner (10 shared papers), Roxana Mehran, MD (7 shared papers) and Dominick Joseph Angiolillo, MD (6 shared papers).

What insurance does Dr. Steven O. Marx accept?

Dr. Marx is in network with 12 carriers, including Excellus BlueCross BlueShield, United Healthcare and Cigna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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