Dr. John Athanasios Kazianis, MD

  • Stamford, CT
  • Pulmonologist
NPI1730348418
Medicare services, 2021
365
Industry payments
$26
Affiliated sites
1
Medical groups
3
State license
1
Practice address
190 W Broad St, Stamford, CT 06902-3633
Practice phone
Call (203) 348-2437
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Pulmonary Associates Of Stamford

Medical specialty practice · Stamford, Connecticut

See all 4 affiliations

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Dr. John Athanasios Kazianis is a pulmonologist in Stamford, Connecticut

Dr. Kazianis practices at Pulmonary Associates Of Stamford in Stamford, Connecticut.

Dr. Kazianis' NPI, 1730348418, was assigned on June 6, 2008. Dr. Kazianis holds Connecticut license 50833.

NPI and contact details
NPI enumeration date
June 6, 2008
NPI status
Active
Practice phone
(203) 348-2437
Professional email
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Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Athanasios Kazianis practices at Pulmonary Associates of Stamford in Stamford, Connecticut

Dr. Kazianis' primary practice is Pulmonary Associates of Stamford, at 190 W Broad St, Stamford, CT 06902-3633. The practice phone is (203) 348-2437.

  • Pulmonary Associates of Stamford
    190 W Broad St, Stamford, CT 06902-3633Phone(203) 348-2437

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

Dr. John Athanasios Kazianis is affiliated with 1 site of care and 3 medical groups

Dr. Kazianis' primary practice is Pulmonary Associates Of Stamford in Stamford, Connecticut. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Kazianis to 2 more medical groups, each named with a free account.

Pulmonary Associates Of StamfordMedical specialty practice · Stamford, ConnecticutPrimary
Northwell Health Physician Partners Cardiology at Great NeckPrimary care group, Westbury, NY2 medical groupsNames with a free account
See all 4 affiliations for Dr. Kazianis

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

Dmand AI tracks the EHR system at Dr. John Athanasios Kazianis' practice

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

EHR by site
SiteEHR vendor and product
Pulmonary Associates Of StamfordAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Athanasios Kazianis is one of 239 pulmonologists in Connecticut

Pulmonary disease is Dr. Kazianis' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Kazianis is licensed in Connecticut.

Specialties and state licenses

  • Pulmonary disease, ConnecticutPrimaryLicense 50833 · taxonomy 207RP1001X

Pulmonologists near Dr. Kazianis

Counts of pulmonologists 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. John Athanasios Kazianis billed Medicare for 365 services in 2021

CMS data shows 365 Medicare services from Dr. Kazianis across 3 procedure codes in 2021. Medicare paid $48,383 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2021365
Paid by Medicare$48,383
Procedure codes3

Dr. Kazianis' Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 1392021: 365163%

Dr. Kazianis compared with the Connecticut median for pulmonologists, 2021

  • Dr. Kazianis
  • Connecticut median
Medicare services
365vs 52831% below

Medians across 239 pulmonologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Kazianis' most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Need commercial claims for Dr. Kazianis?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kazianis and other pulmonologists in Connecticut.

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

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Dr. John Athanasios Kazianis received $26 in industry payments in 2018

CMS Open Payments shows 1 general payment to Dr. Kazianis from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Dendreon Pharmaceuticals LLC paid the most, $26.

Companies that paid Dr. Kazianis the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Kazianis

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

Sources for Dr. John Athanasios Kazianis'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
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 Dr. John Athanasios Kazianis

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. John Athanasios Kazianis' NPI number?

Dr. John Athanasios Kazianis' NPI number is 1730348418. It was assigned on June 6, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. John Athanasios Kazianis?

Dr. John Athanasios Kazianis is a pulmonologist in Stamford, Connecticut. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. John Athanasios Kazianis practice?

Dr. Kazianis practices at 190 W Broad St, Stamford, CT 06902-3633. Dr. Kazianis' primary practice is Pulmonary Associates Of Stamford in Stamford, Connecticut. Dmand AI also links Dr. Kazianis to 2 medical groups.

What is Dr. John Athanasios Kazianis' office phone number?

The practice phone on file for Dr. Kazianis is (203) 348-2437.

What is Dr. John Athanasios Kazianis' medical license number?

Dr. Kazianis holds Connecticut license 50833.

What medical group is Dr. John Athanasios Kazianis part of?

Dr. Kazianis is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Kazianis to 2 more medical groups.

Does Dr. John Athanasios Kazianis accept Medicare?

Yes. CMS data shows Dr. Kazianis billed Medicare for 365 services in 2021.

What services does Dr. John Athanasios Kazianis bill to Medicare?

In 2021, Dr. Kazianis' most billed Medicare services were critical care (99291), hospital inpatient care (99233) and hospital inpatient care (99232).

Has Dr. John Athanasios Kazianis received payments from drug or device companies?

CMS Open Payments shows $26 in general payments to Dr. Kazianis from 1 company from 2018 to 2018. The largest total came from Dendreon Pharmaceuticals LLC.

How long has Dr. John Athanasios Kazianis been practicing?

Dr. Kazianis' NPI was assigned in 2008.

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