DR. PETER J MASON (MD) – Cardiovascular Disease Physician, NPI 1144282120
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
193 INTERVENTIONAL CARDIOLOGY in WI
Provider Addresses for DR. PETER J MASON (MD)
350 S HAMILTON ST UNIT 501
MADISON, WI 537034186
Phone:
Type: Mailing
Froedtert Hospital, 9200, West Wisconsin Avenue, Cannon Park, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
CARDIOVASCULAR MEDICINE
MILWAUKEE, WI 532263522
Phone: (414) 805-6633
Fax: (414) 805-6280
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $1,492.
Total Amount is formed as General ($1,492) + Research ($0) + Ownership ($0) = $1,492.
Last reported payment date: 2024-08-08 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($956).
Total Amount
$1,492
General + Research + Ownership
Payments
15
Total payment records
General Amount
$1,492
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $956 |
| Abbott Laboratories | $294 |
| Medtronic, Inc. | $179 |
| Boston Scientific Corporation | $23 |
| HeartFlow, Inc. | $21 |
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: 2025-10-18
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 |
|---|---|---|---|---|
| I20060711000466 | I | Cardiovascular Disease (Cardiology) | WI | TBD |
| I20251018000050 | I | Interventional Cardiology | NC | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 225 | 196 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 77 | 77 | $0 |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 41 | 39 | $0 |
| 33361 | Replacement of aortic valve through the skin and femoral artery | 39 | 39 | $0 |
| 33370 | Placement and subsequent removal of device to protect brain from embolism through catheter using imaging guidance | 27 | 27 | $0 |
Insurance plans in this area (ZIP 53703)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | WI | 93458 | Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart | 23 | 23 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | WI | 93922 | Ultrasound study of arteries of both arms and legs | 35 | 34 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | OR | |
| Clinical Psychologist | VA | |
| A L L E R G Y/ I M M U N O L O G Y | NC | |
| - | NC | |
| Nurse Practitioner | NC | |
| U R O L O G Y | NH | |
| A N E S T H E S I O L O G Y | UT | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | ND | |
| - | NC | |
| Clinical Psychologist | NC |
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