What is John Chronakos's specialty?

John Chronakos (NPI 1609801273) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Danbury, CT.

Where does John Chronakos practice?

John Chronakos practices in Danbury, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1609801273.

How much does Medicare pay John Chronakos?

John Chronakos (NPI 1609801273) received approximately $149K in total Medicare Part B payments, serving 740 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609801273

John ChronakosM.D.

PRACTICEWCHNSee all providers at this practice →

Pulmonary DiseaseDanbury, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,104

Unique beneficiaries

—

Total services

1,446

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

Total Medicare services vs. 210 Pulmonary Disease providers in CT — top quintile (cohort median 666).

PRESCRIBING · PART D · 2024

Total Rx claims

1,498

Beneficiaries

—

Total drug cost

$367K

Distinct drugs

Brand share

54.7%

Top prescribed drugs

Albuterol Sulfate139 claims

Prednisone135 claims

Fluticasone/Umeclidin/Vilanter100 claims

Fluticasone/Vilanterol91 claims

Azithromycin85 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$41

Payment records

By payment type

Food and Beverage$41

Top paying entities

Food and Beverage$41

REFERRAL NETWORK

Where John Chronakos's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 102 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Michael Logue Cardiology · Bridgeport, CT	152	280
Guillermo Ballarino Pulmonary Disease · Danbury, CT	119	254
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	118	429
Jeffrey Schmierer Cardiology · Danbury, CT	118	268
Thomas Botta Pulmonary Disease · Danbury, CT	113	232
Seema Bakhru Diagnostic Radiology · Hartford, CT	107	189
Douglas Kahn Pulmonary Disease · Danbury, CT	103	284
Adam Welber Diagnostic Radiology · Danbury, CT	100	165
Western Connecticut Health Network Affiliates, Inc. Independent Diagnostic Testing Facility (IDTF) · Danbury, CT	91	170
Thorsten Krebs Diagnostic Radiology · Danbury, CT	91	137
KELLER, ANDREW	82	137
Todd Everett Diagnostic Radiology · Danbury, CT	81	145

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events