DR. WALTER AARON DIMMITT (M.D.) – Cardiovascular Disease Physician, NPI 1467532267
Cardiovascular Disease Physician
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Profile Insights
NPPES metrics only — not quality of care.
783 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MO
Provider Addresses for DR. WALTER AARON DIMMITT (M.D.)
1225 GRAHAM RD STE C-2310
FLORISSANT, MO 630318023
Phone: (618) 288-4215
Type: Mailing
901 PATIENTS FIRST DR STE 2500
WASHINGTON, MO 630904700
Phone: (636) 239-2711
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $182.
Total Amount is formed as General ($182) + Research ($0) + Ownership ($0) = $182.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) ($49).
Total Amount
$182
General + Research + Ownership
Payments
10
Total payment records
General Amount
$182
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
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: 2009-08-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20060227000523 | I | Cardiovascular Disease (Cardiology) | MO | TBD |
| I20090810000440 | I | Cardiovascular Disease (Cardiology) | IL | 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 | 922 | 477 | $0 |
| J2785 | Injection, regadenoson, 0.1 mg | 236 | 59 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 199 | 198 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 140 | 134 | $0 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | 129 | 65 | $0 |
Insurance plans in this area (ZIP 63031)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MO | 93458 | Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart | 21 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | KS | |
| Nurse Practitioner | MO | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| Internal Medicine, Cardiovascular Disease (Cardiology), Cardiovascular Disease (Cardiology), Internal Medicine | MO | |
| Nurse Practitioner | MO | |
| - | MO |
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