Iwona M. Stawiarski

  • Brooklyn, NY
  • Internist
NPI1720004997
Medicare services, 2018
199
Part D claims, 2019
787
Industry payments
$250
Affiliated sites
1
Medical group
1
Practice address
145 Nassau Ave, Brooklyn, NY 11222
Practice phone
Call (718) 389-6575
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Greenpoint Cardiac & Medical Services

Primary care practice · Brooklyn, New York

See all 2 affiliations

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Iwona M. Stawiarski is an internist in Brooklyn, New York

Iwona Stawiarski practices at Greenpoint Cardiac & Medical Services in Brooklyn, New York.

Iwona Stawiarski's NPI, 1720004997, was assigned on July 14, 2006. Iwona Stawiarski holds New York license 212145.

NPI and contact details
NPI enumeration date
July 14, 2006
NPI status
Active
Practice phone
(718) 389-6575
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Iwona M. Stawiarski practices at Greenpoint Cardiac & Medical Services in Brooklyn, New York

Iwona Stawiarski's primary practice is Greenpoint Cardiac & Medical Services, at 145 Nassau Ave, Brooklyn, NY 11222. The practice phone is (718) 389-6575.

  • Greenpoint Cardiac & Medical Services
    145 Nassau Ave, Brooklyn, NY 11222Phone(718) 389-6575

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Iwona M. Stawiarski is affiliated with 1 site of care and 1 medical group

Iwona Stawiarski's primary practice is Greenpoint Cardiac & Medical Services in Brooklyn, New York. Dmand AI also links Iwona Stawiarski to 1 medical group, named with a free account.

Greenpoint Cardiac & Medical ServicesPrimary care practice · Brooklyn, New YorkPrimary
1 medical groupName with a free account
See all 2 affiliations for Iwona Stawiarski

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Iwona M. Stawiarski's practice

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

EHR by site
SiteEHR vendor and product
Greenpoint Cardiac & Medical ServicesAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Iwona M. Stawiarski is one of 9,643 internists in New York

Internal medicine is Iwona Stawiarski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Iwona Stawiarski is licensed in New York.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 212145 · taxonomy 207R00000X

Internists near Iwona Stawiarski

Counts of internists 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

Iwona M. Stawiarski billed Medicare for 199 services in 2018

CMS data shows 199 Medicare services from Iwona Stawiarski across 6 procedure codes in 2018. Medicare paid $11,194 for them. Every service was in an office.

Medicare services, 2018199
Paid by Medicare$11,194
Procedure codes6

Iwona Stawiarski's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 1562018: 1656%
Other services
2017: 02018: 22
Tests and treatments
2017: 232018: 1248%

Iwona Stawiarski compared with the New York median for internists, 2018

  • Iwona Stawiarski
  • New York median
Medicare services
199vs 42653% below
Part D claims
787vs 62227% above

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Iwona Stawiarski's most billed Medicare procedure codes, 2018

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 Iwona Stawiarski

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

Iwona M. Stawiarski's patients have a median age of 61

Across all payers, Dmand AI patient panel data puts Iwona Stawiarski's median patient age at 61, with 54% women.

Iwona Stawiarski's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women54%
  • Men46%

Source: Dmand AI Patient Panel Data

Iwona M. Stawiarski wrote 787 Medicare Part D claims in 2019

In 2019, Iwona Stawiarski wrote 787 Medicare Part D claims. They cover 30 drugs, with $47,266 in total drug cost. In 2018, CMS named 2,610 claims across 57 drugs.

Part D claims, 2019787
Drugs named by CMS30
Total drug cost$47,266

Iwona Stawiarski's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 2,6102019: 78770%

Drugs named by CMS: 30 in 2019, 57 in 2018.

See all prescribing by Iwona Stawiarski

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

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Iwona M. Stawiarski received $250 in industry payments from 2016 to 2018

CMS Open Payments shows 9 general payments to Iwona Stawiarski from 5 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Merz North America, Inc. paid the most, $93.

General payments to Iwona Stawiarski by program year, 2016 to 2018

Companies that paid Iwona Stawiarski the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Iwona Stawiarski

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

Sources for Iwona M. Stawiarski'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Iwona M. Stawiarski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Iwona M. Stawiarski's NPI number?

Iwona M. Stawiarski's NPI number is 1720004997. It was assigned on July 14, 2006, and it is active in the NPI Registry.

What does Iwona M. Stawiarski specialize in?

Iwona M. Stawiarski is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Iwona M. Stawiarski practice?

Iwona Stawiarski practices at 145 Nassau Ave, Brooklyn, NY 11222. Iwona Stawiarski's primary practice is Greenpoint Cardiac & Medical Services in Brooklyn, New York. Dmand AI also links Iwona Stawiarski to 1 medical group.

What is Iwona M. Stawiarski's office phone number?

The practice phone on file for Iwona Stawiarski is (718) 389-6575.

What is Iwona M. Stawiarski's medical license number?

Iwona Stawiarski holds New York license 212145.

Does Iwona M. Stawiarski accept Medicare?

Yes. CMS data shows Iwona Stawiarski billed Medicare for 199 services in 2018.

What services does Iwona M. Stawiarski bill to Medicare?

In 2018, Iwona Stawiarski's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99497).

What drugs does Iwona M. Stawiarski prescribe most?

In 2019 Medicare Part D data, Iwona Stawiarski's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Metoprolol Succinate.

Has Iwona M. Stawiarski received payments from drug or device companies?

CMS Open Payments shows $250 in general payments to Iwona Stawiarski from 5 companies from 2016 to 2018. The largest total came from Merz North America, Inc.

How long has Iwona M. Stawiarski been practicing?

Iwona Stawiarski's NPI was assigned in 2006.

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