DR. MATTHEW J HOWENSTEIN (M.D.) – Vascular & Interventional Radiology Physician, NPI 1548419336
Vascular & Interventional Radiology Physician
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NPPES metrics only — not quality of care.
1,101 DIAGNOSTIC RADIOLOGY in WI
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Provider Addresses for DR. MATTHEW J HOWENSTEIN (M.D.)
4025, North 92nd Street, Grantosa, Wauwatosa, Milwaukee County, Wisconsin, 53222, United States
WAUWATOSA, WI 532221613
Phone: (414) 358-5420
Type: Location
975 PORT WASHINGTON RD
GRAFTON, WI 530249204
Phone: (414) 358-5420
Type: Location
PO BOX 735044
CHICAGO, IL 606735044
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $217.
Total Amount is formed as General ($217) + Research ($0) + Ownership ($0) = $217.
Last reported payment date: 2024-06-18 • Largest payer in this snapshot: Boston Scientific Corporation ($217).
Total Amount
$217
General + Research + Ownership
Payments
2
Total payment records
General Amount
$217
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $217 |
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: 2014-03-20
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 |
|---|---|---|---|---|
| I20140320002155 | I | Diagnostic Radiology | WI | 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 |
|---|---|---|---|---|
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 159 | 141 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 124 | 108 | $0 |
| 77001 | Fluoroscopic guidance for insertion or removal of central vein access device | 77 | 73 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 67 | 67 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 45 | 45 | $0 |
Insurance plans in this area (ZIP 53222)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 71010 | X-ray of chest, 1 view, front | 43 | 42 |
| DIAGNOSTIC RADIOLOGY | IL | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 36 | 36 |
| DIAGNOSTIC RADIOLOGY | IL | 93922 | Ultrasound study of arteries of both arms and legs | 24 | 23 |
| DIAGNOSTIC RADIOLOGY | IL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 18 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| Family Practice | IL | |
| Geriatric Medicine, Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| - | IL | |
| Family Practice | WI | |
| - | OH | |
| - | WI |
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