JOHN CHRONAKOS (M.D.) – Pulmonary Disease Physician, NPI 1609801273
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
376 PULMONARY DISEASE in CT
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Provider Addresses for JOHN CHRONAKOS (M.D.)
Danbury Hospital, 24, Hospital Avenue, Germantown, Danbury, Fairfield County, Connecticut, 06810, United States
DANBURY, CT 068106099
Phone: (203) 739-7070
Fax: (203) 739-8931
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $60.
Total Amount is formed as General ($60) + Research ($0) + Ownership ($0) = $60.
Last reported payment date: 2024-03-19 • Largest payer in this snapshot: PFIZER INC. ($39).
Total Amount
$60
General + Research + Ownership
Payments
3
Total payment records
General Amount
$60
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $39 |
| GlaxoSmithKline, LLC. | $21 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-03-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040325000355 | I | Pulmonary Disease | CT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 481 | 280 | $0 |
| 99291 | Critical care, first 30-74 minutes | 265 | 138 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 141 | 125 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 124 | 86 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 103 | 75 | $0 |
Insurance plans in this area (ZIP 06810)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | CT | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 11 | 11 |
| PULMONARY DISEASE | CT | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 16 | 15 |
| PULMONARY DISEASE | CT | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 154 | 152 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CT | |
| - | CT | |
| - | WA | |
| A N E S T H E S I O L O G Y | GA | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| - | NY | |
| General Surgery | CT | |
| - | CT | |
| - | CT | |
| - | GA |
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