Dr. Jeffrey A. Schmierer, MD

  • Danbury, CT
  • Cardiologist
NPI1134155922
Medicare services, 2024
1,541
Medicare patients, 2024
1,064
Part D claims, 2024
5,944
Hospital affiliations
1
Industry payments
$204
Practice address
24 Hospital Ave, Danbury, CT 06810
Practice phone
Call (203) 739-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwell Danbury Hospital

Hospital · Danbury, Connecticut

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Dr. Jeffrey A. Schmierer is a cardiologist in Danbury, Connecticut

Dr. Schmierer practices at Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health.

Dr. Schmierer's NPI, 1134155922, was assigned on June 23, 2006. Dr. Schmierer graduated from State University of New York Downstate Medical Center College of Medicine in 1979. Dr. Schmierer holds Connecticut license 025518.

NPI and contact details
NPI enumeration date
June 23, 2006
NPI status
Active
Practice phone
(203) 739-7000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
73
Medical school graduation
1979

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

Dr. Jeffrey A. Schmierer practices at Northwell Danbury Hospital in Danbury, Connecticut

Dr. Schmierer's primary practice is Northwell Danbury Hospital, at 24 Hospital Ave, Danbury, CT 06810 in Fairfield County. The practice phone is (203) 739-7000.

Source: Dmand AI Affiliation Data

Dr. Jeffrey A. Schmierer is affiliated with 2 sites of care and 1 medical group

Dr. Schmierer's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Schmierer to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Schmierer

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

Dmand AI tracks the EHR system at Dr. Jeffrey A. Schmierer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schmierer practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwell Danbury HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jeffrey A. Schmierer is one of 423 cardiologists in Connecticut

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

Specialties and state licenses

  • Cardiovascular disease, ConnecticutPrimaryLicense 025518 · taxonomy 207RC0000X

Cardiologists near Dr. Schmierer

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. Jeffrey A. Schmierer billed Medicare for 1,541 services in 2024

CMS data shows 1,541 Medicare services from Dr. Schmierer across 4 procedure codes in 2024, for 1,064 Medicare patients. Medicare paid $58,975 for them.

Medicare services, 20241,541
Medicare patients1,064
Paid by Medicare$58,975
Procedure codes4

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

  • 2023
  • 2024
Tests and treatments
2023: 1,5852024: 94640%
Office and hospital visits
2023: 1,3432024: 59556%

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

  • In an office82554%
  • In a facility71646%

Dr. Schmierer compared with the Connecticut median for cardiologists, 2024

  • Dr. Schmierer
  • Connecticut median
Medicare services
1,541vs 1,35813% above
Medicare patients
1,064vs 68056% above
Part D claims
5,714vs 1,5733.6 times

Medians across 415 cardiologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Schmierer'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. Schmierer

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

Dr. Jeffrey A. Schmierer treated 1,064 Medicare patients in 2024, average age 78

CMS counts 1,064 Medicare patients who saw Dr. Schmierer in 2024. The largest group is 75 to 84, with 431 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.86, 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. Schmierer's median patient age at 79, with 30% women.

Medicare patients, 20241,064
Average age78
Average risk score1.86
Also on Medicaid20%

Dr. Schmierer's Medicare patients by age, 2024

Dr. Schmierer's Medicare patients by sex, 2024

  • Women52149%
  • Men54351%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease57%
  4. Arthritis51%
  5. Atrial fibrillation41%
  6. Chronic kidney disease37%
  7. Anxiety34%
  8. Diabetes33%

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

Dr. Schmierer'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

  • Women30%
  • Men70%

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

Dr. Jeffrey A. Schmierer wrote 5,944 Medicare Part D claims in 2024

In 2024, Dr. Schmierer wrote 5,944 Medicare Part D claims for 688 patients. 86% of them were for generic drugs. CMS names the drug for 5,714 of them, across 38 drugs with 11 or more claims each, at $871,151 in total drug cost. In 2023, CMS named 6,031 claims across 40 drugs.

Part D claims, 20245,944
Drugs named by CMS38
Total drug cost$871,151
Part D patients688

Dr. Schmierer's Part D claims by kind of drug, 2024

  • Generic5,117 claims86%
  • Brand-name827 claims14%

Dr. Schmierer'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: 6,0312024: 5,7145%

Drugs named by CMS: 38 in 2024, 40 in 2023.

See all prescribing by Dr. Schmierer

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

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Dr. Jeffrey A. Schmierer received $204 in industry payments from 2016 to 2020

CMS Open Payments shows 14 general payments to Dr. Schmierer from 4 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Lantheus Medical Imaging, Inc. paid the most, $113.

General payments to Dr. Schmierer by program year, 2016 to 2020

Companies that paid Dr. Schmierer the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Schmierer

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

Dr. Jeffrey A. Schmierer graduated from State University of New York Downstate Medical Center College of Medicine

Dr. Schmierer graduated from State University of New York Downstate Medical Center College of Medicine in 1979.

  1. Medical schoolState University of New York Downstate Medical Center College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jeffrey A. Schmierer'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)
Part D prescribingMedicare 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)
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. Jeffrey A. Schmierer

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. Jeffrey A. Schmierer's NPI number?

Dr. Jeffrey A. Schmierer's NPI number is 1134155922. It was assigned on June 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jeffrey A. Schmierer?

Dr. Jeffrey A. Schmierer is a cardiologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Jeffrey A. Schmierer practice?

Dr. Schmierer practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Schmierer's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dmand AI also links Dr. Schmierer to 1 group practice or clinic.

What is Dr. Jeffrey A. Schmierer's office phone number?

The practice phone on file for Dr. Schmierer is (203) 739-7000.

What is Dr. Jeffrey A. Schmierer's medical license number?

Dr. Schmierer holds Connecticut license 025518.

Which hospitals is Dr. Jeffrey A. Schmierer affiliated with?

Dr. Schmierer practices at Northwell Danbury Hospital in Danbury, Connecticut.

What medical group is Dr. Jeffrey A. Schmierer part of?

Dr. Schmierer is linked to Danbury Medical Group.

Does Dr. Jeffrey A. Schmierer accept Medicare?

Yes. CMS data shows Dr. Schmierer billed Medicare for 1,541 services in 2024.

How many Medicare patients does Dr. Jeffrey A. Schmierer see?

CMS counts 1,064 Medicare patients who saw Dr. Schmierer in 2024, with an average age of 78.

What services does Dr. Jeffrey A. Schmierer bill to Medicare?

In 2024, Dr. Schmierer's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93000).

Show 4 more questionsShow fewer questions

Where did Dr. Jeffrey A. Schmierer go to medical school?

Dr. Schmierer graduated from State University of New York Downstate Medical Center College of Medicine in 1979.

What drugs does Dr. Jeffrey A. Schmierer prescribe most?

In 2024 Medicare Part D data, Dr. Schmierer's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Ezetimibe.

Has Dr. Jeffrey A. Schmierer received payments from drug or device companies?

CMS Open Payments shows $204 in general payments to Dr. Schmierer from 4 companies from 2016 to 2020. The largest total came from Lantheus Medical Imaging, Inc.

How long has Dr. Jeffrey A. Schmierer been practicing?

Dr. Schmierer graduated from medical school in 1979, 47 years ago.

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