Dr. Mark K. Warshofsky, MD

  • Danbury, CT
  • Interventional cardiologist
NPI1932141249PAC ID7911943469
Medicare services, 2024
29
Medicare patients, 2024
33
Publications
3
Hospital affiliations
1
Industry payments
$4,065
Practice address
100 Reserve Rd, Danbury, CT 06810
Practice phone
Call (203) 739-7742
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Nuvance Health Medical Practice CT, Inc.

Danbury, Connecticut

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Dr. Mark K. Warshofsky is an interventional cardiologist in Danbury, Connecticut

Dr. Warshofsky practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.

Dr. Warshofsky's NPI, 1932141249, was assigned on June 12, 2006. Dr. Warshofsky graduated from George Washington University School of Medicine in 1990. Dr. Warshofsky holds Connecticut license 043783.

NPI and contact details
Medicare PAC ID
7911943469
NPI enumeration date
June 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 739-7742
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

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

Dr. Mark K. Warshofsky practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut

Dr. Warshofsky's primary practice is Nuvance Health Medical Practice CT, Inc., at 100 Reserve Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7742.

  • Nuvance Health Medical Practice CT, Inc.
    100 Reserve Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7742

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

Dr. Mark K. Warshofsky is affiliated with 2 sites of care and 1 medical group

Dr. Warshofsky's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dr. Warshofsky is also affiliated with Northwell Danbury Hospital. The medical group on file is Danbury Medical Group.

See all 3 affiliations for Dr. Warshofsky

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

Dmand AI tracks the EHR system at Dr. Mark K. Warshofsky's practice

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

EHR by site
SiteEHR vendor and product
Nuvance Health Medical Practice CT, Inc.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark K. Warshofsky is one of 66 interventional cardiologists in Connecticut

Interventional cardiology is Dr. Warshofsky's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Warshofsky is licensed in Connecticut.

Specialties and state licenses

  • Interventional cardiology, ConnecticutPrimaryLicense 043783 · taxonomy 207RI0011X

Interventional cardiologists near Dr. Warshofsky

Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

66interventional cardiologists in Connecticut
5interventional cardiologists in Danbury

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mark K. Warshofsky billed Medicare for 29 services in 2024

CMS data shows 29 Medicare services from Dr. Warshofsky across 2 procedure codes in 2024, for 33 Medicare patients. Medicare paid $8,257 for them.

Medicare services, 202429
Medicare patients33
Paid by Medicare$8,257
Procedure codes2

Dr. Warshofsky's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 112024: 1864%
Surgery
2023: 02024: 11

Where Dr. Warshofsky's Medicare services took place, 2024

  • In an office1862%
  • In a facility1138%

Dr. Warshofsky compared with the Connecticut median for interventional cardiologists, 2024

  • Dr. Warshofsky
  • Connecticut median
Medicare services
29vs 1,05597% below
Medicare patients
33vs 45193% below

Medians across 66 interventional cardiologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Warshofsky'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.

See all procedures by Dr. Warshofsky

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

Dr. Mark K. Warshofsky treated 33 Medicare patients in 2024, average age 83

CMS counts 33 Medicare patients who saw Dr. Warshofsky in 2024. The largest group is 75 to 84, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.93, 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. Warshofsky's median patient age at 82, with 45% women.

Medicare patients, 202433
Average age83
Average risk score1.93

Dr. Warshofsky's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Warshofsky's Medicare patients by sex, 2024

  • Women1339%
  • Men2061%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure67%
  4. Ischemic heart disease67%
  5. Arthritis48%
  6. Chronic kidney disease48%
  7. Atrial fibrillation45%
  8. Diabetes39%

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

Dr. Warshofsky's patients across all payers

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

Patient panel by age, all payers

Median age 82

Patient panel by sex, all payers

  • Women45%
  • Men45%

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

How Dr. Mark K. Warshofsky takes part in Medicare

Dr. Warshofsky 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. Mark K. Warshofsky has 3 publications on record

Dmand AI links 3 papers to Dr. Warshofsky, published from 2011 to 2014. The most frequent topics are Connecticut. Dr. Warshofsky's most frequent co-authors are Amit Satish Dande, MD, Hal S. Wasserman, MD and Amruth R. Palla, MD.

Papers3
Years published2011 to 2014

Dr. Warshofsky's papers by year, 2011 to 2014

Topics Dr. Warshofsky writes about most

  • Connecticut

Dr. Warshofsky's most frequent co-authors

Recent publications by Dr. Warshofsky

See all 3 publications and co-authors

See who Dr. Warshofsky researches with

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

How network discovery works

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

Dr. Mark K. Warshofsky received $4,065 in industry payments from 2016 to 2025

CMS Open Payments shows 105 general payments to Dr. Warshofsky from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 77% of the total. Edwards Lifesciences Corporation paid the most, $2,846.

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

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

$4.1Kin total
  • Food and beverage$3,13477%
  • Travel and lodging$93123%

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

Share is of all general payments to this clinician.

See all payments to Dr. Warshofsky

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

Dr. Mark K. Warshofsky graduated from George Washington University School of Medicine

Dr. Warshofsky graduated from George Washington University School of Medicine in 1990.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Mark K. Warshofsky'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 DataDmand AI Org Hierarchy 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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)
Training, board certification and membershipsDmand AI Professional Profile 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. Mark K. Warshofsky

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. Mark K. Warshofsky's NPI number?

Dr. Mark K. Warshofsky's NPI number is 1932141249. It was assigned on June 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark K. Warshofsky?

Dr. Mark K. Warshofsky is an interventional cardiologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Mark K. Warshofsky practice?

Dr. Warshofsky practices at 100 Reserve Rd, Danbury, CT 06810. Dr. Warshofsky's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.

What is Dr. Mark K. Warshofsky's office phone number?

The practice phone on file for Dr. Warshofsky is (203) 739-7742.

What is Dr. Mark K. Warshofsky's medical license number?

Dr. Warshofsky holds Connecticut license 043783.

Which hospitals is Dr. Mark K. Warshofsky affiliated with?

Dr. Warshofsky is affiliated with Northwell Danbury Hospital.

What medical group is Dr. Mark K. Warshofsky part of?

Dr. Warshofsky is linked to Danbury Medical Group.

Does Dr. Mark K. Warshofsky accept Medicare?

Yes. CMS data shows Dr. Warshofsky billed Medicare for 29 services in 2024, and Dr. Warshofsky accepts Medicare assignment.

How many Medicare patients does Dr. Mark K. Warshofsky see?

CMS counts 33 Medicare patients who saw Dr. Warshofsky in 2024, with an average age of 83.

What services does Dr. Mark K. Warshofsky bill to Medicare?

In 2024, Dr. Warshofsky's most billed Medicare services were office visit, established patient (99213) and surgery: heart and blood vessels (33361).

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Where did Dr. Mark K. Warshofsky go to medical school?

Dr. Warshofsky graduated from George Washington University School of Medicine in 1990.

Has Dr. Mark K. Warshofsky received payments from drug or device companies?

CMS Open Payments shows $4,065 in general payments to Dr. Warshofsky from 13 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Mark K. Warshofsky been practicing?

Dr. Warshofsky graduated from medical school in 1990, 36 years ago.

Does Dr. Mark K. Warshofsky do research?

Dmand AI links 3 publications to Dr. Warshofsky, published from 2011 to 2014.

Who does Dr. Mark K. Warshofsky publish with?

Dr. Warshofsky's most frequent co-authors are Amit Satish Dande, MD (2 shared papers), Hal S. Wasserman, MD (2 shared papers) and Amruth R. Palla, MD (1 shared paper).

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