DR. GREGORY A EWALD (MD) – Advanced Heart Failure and Transplant Cardiology Physician, NPI 1073557401
Advanced Heart Failure and Transplant Cardiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
43 ADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY in MO
Provider Addresses for DR. GREGORY A EWALD (MD)
4921 PARKVIEW PL
DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 631101032
Phone: (314) 362-1291
Fax: (314) 454-8855
Type: Location
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (314) 362-1291
Fax: (314) 454-8855
Type: Mailing
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
CB 8086
SAINT LOUIS, MO 631101010
Phone: (314) 454-7687
Fax: (314) 454-8855
Type: Mailing
Parkview Place, WashU, City of Saint Louis, Missouri, 63110, United States
STE 8A
SAINT LOUIS, MO 631101032
Phone: (314) 454-7687
Fax: (314) 362-2512
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $767.
Total Amount is formed as General ($767) + Research ($0) + Ownership ($0) = $767.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: Abbott Laboratories ($495).
Total Amount
$767
General + Research + Ownership
Payments
11
Total payment records
General Amount
$767
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $495 |
| ABIOMED | $272 |
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: 2005-06-13
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 |
|---|---|---|---|---|
| I20050613000006 | I | Advanced Heart Failure And Transplant Cardiology | 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 |
|---|---|---|---|---|
| 93297 | Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 207 | 26 | $0 |
| G2066 | Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec | 206 | 26 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 167 | 144 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 144 | 58 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 129 | 114 | $0 |
Insurance plans in this area (ZIP 63110)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
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