GARY LOUIS PARENTEAU (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1508841172
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
241 THORACIC SURGERY in OH
Provider Addresses for GARY LOUIS PARENTEAU (MD)
3000 Arlington Ave
Toledo, OH 436142598
Phone: (419) 383-5150
Fax: (419) 383-3149
Type: Location
1900 S Main St
CDS Room 3349
Findlay, OH 458401214
Phone: (419) 423-3188
Type: Location
West Market Street, Lima, Allen County, Ohio, 45801:45807, United States
LIMA, OH 458014602
Phone: (419) 996-4011
Fax: (419) 996-4012
Type: Mailing
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 $49.
Total Amount is formed as General ($49) + Research ($0) + Ownership ($0) = $49.
Last reported payment date: 2023-03-29 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($21).
Total Amount
$49
General + Research + Ownership
Payments
3
Total payment records
General Amount
$49
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $21 |
| Amgen Inc. | $15 |
| Zimmer Biomet Holdings, Inc. | $13 |
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: 2006-02-13
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 |
|---|---|---|---|---|
| I20060213000204 | I | Thoracic Surgery | OH | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 43614)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| THORACIC SURGERY | OH | 33518 | Combined multiple vein and artery heart artery bypasses | 11 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Rheumatology, Internal Medicine | OH | |
| Sleep Medicine | OH | |
| Nurse Practitioner | OH | |
| Hematology/Oncology, Internal Medicine | OH | |
| N E U R O L O G Y | OH | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Radiation Oncology | NY | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | MO | |
| Nurse Practitioner | OH |
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