RONALD D LEIDENFROST (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1215936745
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
130 THORACIC SURGERY in MO
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Provider Addresses for RONALD D LEIDENFROST (MD)
222, South Woods Mill Road, Chesterfield, Saint Louis County, Missouri, 63017, United States
SUITE 550-N
CHESTERFIELD, MO 630173625
Phone: (314) 434-3049
Fax: (314) 205-6916
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 13 Open Payments records for all available years, with a total value of $248.
Total Amount is formed as General ($248) + Research ($0) + Ownership ($0) = $248.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($67).
Total Amount
$248
General + Research + Ownership
Payments
13
Total payment records
General Amount
$248
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2005-09-26
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 |
|---|---|---|---|---|
| I20050926000279 | I | Thoracic Surgery | MO | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 77 | 68 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 19 | 19 | $0 |
| 33208 | Insertion of pacemaker and upper and lower heart chamber electrode | 12 | 12 | $0 |
| 33228 | Removal and replacement of dual lead permanent pacemaker | 12 | 12 | $0 |
| 33534 | Coronary artery bypass using artery graft, 2 grafts | 11 | 11 | $0 |
Insurance plans in this area (ZIP 63017)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| THORACIC SURGERY | MO | 33405 | Replacement of left lower heart chamber valve using artificial valve on heart-lung machine | 13 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Cardiac Surgery, Thoracic Surgery | MO | |
| Vascular Surgery, General Surgery | MO | |
| Nurse Practitioner | MO | |
| Cardiac Surgery, Thoracic Surgery, Vascular Surgery | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Vascular Surgery, Critical Care (Intensivists), General Surgery | MO | |
| Nurse Practitioner | MO |
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