Physician Profile
Unclaimed ProfileAbout HOWENSTEIN
Matthew J Howenstein, M.D. is a healthcare provider in Grafton, WI specializing in diagnostic radiology. Matthew trained at Vanderbilt University School of Medicine, graduating in 2005. Matthew is also listed as specializing in vascular & interventional radiology. According to Medicare claims data, Matthew cared for 783 Medicare patients across 821 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (414) 358-5420
- Email not available
Practice Locations
975 PORT WASHINGTON RD
Grafton, WI 53024
Procedures Most Often Billed to Medicare
821 services · 783 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of tunneled central venous tube for infusion (5 years or older) | Procedure | 36558 |
34 |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
25 |
| Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch | Procedure | 36247 |
22 |
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
18 |
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
16 |
| Occlusion of growths or obstructed vessels with review by radiologist | Procedure | 37243 |
14 |
| Removal of tunneled central venous tube | Procedure | 36589 |
14 |
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
12 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
121 |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
74 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other diagnostic radiology specialists in Grafton 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tunneled central venous tube for infusion (5 years or older) 8
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Howenstein?
Dr. Howenstein is a diagnostic radiology in Grafton, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Howenstein's address?
Dr. Howenstein is listed at 975 PORT WASHINGTON RD, Grafton, WI 53024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Howenstein?
The number on file is (414) 358-5420. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Howenstein's NPI number?
Dr. Howenstein's National Provider Identifier is 1548419336. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Howenstein train?
Dr. Howenstein attended Vanderbilt University School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Howenstein been practicing?
Dr. Howenstein has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Howenstein perform?
According to Medicare billing data, Dr. Howenstein performs procedures including insertion of tunneled central venous tube for infusion, insertion of central venous tube with port and insertion of tube into abdominal, pelvic, or leg artery, initial third order branch; reads or performs imaging such as ultrasonic guidance for blood vessel access and fluoroscopic guidance for insertion or removal of central vein access device; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes and ultrasound of both sides of head and neck blood flow. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Howenstein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Howenstein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.