Dr. Mark E. Brezinski, MD

  • Salem, MA
  • Cardiologist
NPI1013151422
Medicare services, 2024
12
Medicare patients, 2024
26
Publications
10
Hospital affiliations
1
Medical group
1
Practice address
81 Highland Avenue, Salem, MA 01970
Practice phone
Call (978) 741-1215
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Salem Hospital

Hospital · Salem, Massachusetts

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Dr. Mark E. Brezinski is a cardiologist in Salem, Massachusetts

Dr. Brezinski practices at Salem Hospital in Salem, Massachusetts, part of Mass General Brigham.

Dr. Brezinski's NPI, 1013151422, was assigned on April 29, 2009. Dr. Brezinski holds Massachusetts license 72875.

NPI and contact details
NPI enumeration date
April 29, 2009
NPI status
Active
Practice phone
(978) 741-1215
Professional email
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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; and Dmand AI Affiliation Data

Dr. Mark E. Brezinski practices at Salem Hospital in Salem, Massachusetts

Dr. Brezinski's primary practice is Salem Hospital, at 81 Highland Avenue, Salem, MA 01970 in Essex County. The practice phone is (978) 741-1215.

  • Salem Hospital
    81 Highland Avenue, Salem, MA 01970 · Essex CountyPhone(978) 741-1215

Source: Dmand AI Affiliation Data

Dr. Mark E. Brezinski is affiliated with 1 site of care and 1 medical group

Dr. Brezinski's primary practice is Salem Hospital in Salem, Massachusetts, part of Mass General Brigham. The medical group on file is Mass General Brigham.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark E. Brezinski's practice

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

EHR by site
SiteEHR vendor and product
Salem HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark E. Brezinski is one of 840 cardiologists in Massachusetts

Cardiovascular disease is Dr. Brezinski's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Brezinski is licensed in Massachusetts.

Specialties and state licenses

  • Cardiovascular disease, MassachusettsPrimaryLicense 72875 · taxonomy 207RC0000X

Cardiologists near Dr. Brezinski

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. Mark E. Brezinski billed Medicare for 12 services in 2024

CMS data shows 12 Medicare services from Dr. Brezinski across 1 procedure code in 2024, for 26 Medicare patients. Medicare paid $1,144 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202412
Medicare patients26
Paid by Medicare$1,144
Procedure codes1

Dr. Brezinski's Medicare services by type, 2022 to 2024

  • 2022
  • 2024
Office and hospital visits
2022: 772024: 1284%

Dr. Brezinski compared with the Massachusetts median for cardiologists, 2024

  • Dr. Brezinski
  • Massachusetts median
Medicare services
12vs 1,61299% below
Medicare patients
26vs 95697% below

Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Brezinski'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. Brezinski

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

Dr. Mark E. Brezinski treated 26 Medicare patients in 2024, average age 77

CMS counts 26 Medicare patients who saw Dr. Brezinski in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.03, 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. Brezinski's median patient age at 68, with 25% women.

Medicare patients, 202426
Average age77
Average risk score2.03

Dr. Brezinski's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Brezinski's Medicare patients by sex, 2024

  • Women1454%
  • Men1246%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease65%
  4. Heart failure62%
  5. Arthritis54%
  6. Diabetes50%
  7. Mood disorders50%
  8. Atrial fibrillation46%

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

Dr. Brezinski'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

  • Women25%
  • Men75%

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

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Dr. Mark E. Brezinski has 10 publications on record

Dmand AI links 10 papers to Dr. Brezinski, published from 2011 to 2022. 2014 was the busiest year, with 3. The most frequent topics are Acute Coronary Syndrome, Plaque, Atherosclerotic and Radiography. Dr. Brezinski's most frequent co-authors are Christopher Vercollone, Ehsan Azimi, MD and Maria Ann Rupnick, MD, PhD.

Papers10
Years published2011 to 2022

Dr. Brezinski's papers by year, 2011 to 2022

Topics Dr. Brezinski writes about most

  • Acute Coronary Syndrome
  • Plaque, Atherosclerotic
  • Radiography
  • Tomography, Optical Coherence

Dr. Brezinski's most frequent co-authors

Recent publications by Dr. Brezinski

See all 10 publications and co-authors

See who Dr. Brezinski researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Brezinski 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

Sources for Dr. Mark E. Brezinski'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 E. Brezinski

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 E. Brezinski's NPI number?

Dr. Mark E. Brezinski's NPI number is 1013151422. It was assigned on April 29, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark E. Brezinski?

Dr. Mark E. Brezinski is a cardiologist in Salem, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Mark E. Brezinski practice?

Dr. Brezinski practices at 81 Highland Avenue, Salem, MA 01970. Dr. Brezinski's primary practice is Salem Hospital in Salem, Massachusetts, part of Mass General Brigham.

What is Dr. Mark E. Brezinski's office phone number?

The practice phone on file for Dr. Brezinski is (978) 741-1215.

What is Dr. Mark E. Brezinski's medical license number?

Dr. Brezinski holds Massachusetts license 72875.

Which hospitals is Dr. Mark E. Brezinski affiliated with?

Dr. Brezinski practices at Salem Hospital in Salem, Massachusetts.

What medical group is Dr. Mark E. Brezinski part of?

Dr. Brezinski is linked to Mass General Brigham.

Does Dr. Mark E. Brezinski accept Medicare?

Yes. CMS data shows Dr. Brezinski billed Medicare for 12 services in 2024.

How many Medicare patients does Dr. Mark E. Brezinski see?

CMS counts 26 Medicare patients who saw Dr. Brezinski in 2024, with an average age of 77.

What services does Dr. Mark E. Brezinski bill to Medicare?

In 2024, Dr. Brezinski's most billed Medicare services were hospital inpatient care (99233).

Show 3 more questionsShow fewer questions

How long has Dr. Mark E. Brezinski been practicing?

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

Does Dr. Mark E. Brezinski do research?

Dmand AI links 10 publications to Dr. Brezinski, published from 2011 to 2022.

Who does Dr. Mark E. Brezinski publish with?

Dr. Brezinski's most frequent co-authors are Christopher Vercollone (4 shared papers), Ehsan Azimi, MD (2 shared papers) and Maria Ann Rupnick, MD, PhD (2 shared papers).

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