THOMAS C ISAACSON (MD) – Cardiovascular Disease Physician, NPI 1104884311
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
193 INTERVENTIONAL CARDIOLOGY in WI
Provider Addresses for THOMAS C ISAACSON (MD)
1818 N Meade St
Appleton, WI 549113454
Phone: (920) 731-8900
Fax: (920) 738-5369
Type: Location
Box Canyon Drive, Las Vegas, Clark County, Nevada, 89108-4577, United States
LAS VEGAS, NV 891938978
Phone: (702) 216-3346
Type: Mailing
Banburry Cross Drive, The Canyons, Summerlin, Las Vegas, Clark County, Nevada, 89144, United States
LAS VEGAS, NV 891446648
Phone: (702) 360-7600
Fax: (702) 363-3814
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-11-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20130816000537 | I | Internal Medicine | IL | TBD |
| I20191125002816 | I | Cardiovascular Disease (Cardiology) | WI | TBD |
| I20251124001328 | I | Interventional Cardiology | MI | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 167 | 121 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 163 | 163 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 140 | 95 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 93 | 80 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 84 | 63 | $0 |
Insurance plans in this area (ZIP 54911)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Nurse Practitioner | IL | |
| - | WI | |
| O P H T H A L M O L O G Y | IL | |
| - | WI | |
| - | IL | |
| - | WI | |
| Diagnostic Radiology | IL | |
| Nurse Practitioner | IL |
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