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Edit this profileAt a glance
- 226 N Boyle Ave Apt 2N, Saint Louis, MO 63108
About Dr. Holloway
William E. Holloway, MD practices vascular & interventional radiology in Saint Louis, MO. William is a 2002 graduate of University of Chicago, Pritzker School of Medicine. According to Medicare claims data, William cared for 2,039 Medicare patients across 2,144 services. The services billed most often include ct scan head or brain without contrast, mri scan of brain before and after contrast, and ct scan of upper spine without contrast. The provider's National Provider Identifier (NPI) is 1649396334.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 535-3601
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
226 N BOYLE AVE APT 2N
Saint Louis, MO 63108
Conditions Commonly Evaluated or Treated
Within Interventional Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Bone & Joint
Brain & Spine
Digestive
- Benign Liver Tumor
- Bleeding Hemorrhoids
- Acute gallbladder inflammation
- Ascites
- Blocked Bile Duct
- Portal hypertension
Pain
Vascular
- Leg Ulcers
- Aortic aneurysm
- Blocked Chest Vein
- Blood Clot in Lung
- Brain Vascular Malformation
- Carotid Artery Blockage
- Chronic venous insufficiency
- Lymph Fluid Leak in Chest
- May-Thurner Syndrome
- Narrow kidney artery
- Nutcracker Syndrome
- Spider veins
- Torn Aorta
- Visceral Artery Aneurysm
Most searched conditions
- Deep vein thrombosis
- Enlarged prostate
- Peripheral artery disease
- Spinal compression fractures
- Uterine fibroids
- Varicose veins
Cancer
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Men's health
Respiratory
Women's health
Procedures & services
Access and nutrition
Biopsies
Bone & Joint
Bowel and emergency abdominal
Brain & Spine
Cancer
- Chemo port removal
- Kidney Tumor Ablation
- Microwave Ablation for Tumors
- TACE Chemoembolization
- Tumor Cryoablation
- Radiofrequency ablation
Catheter ablation
Cosmetic dermatology
Digestive
- Bile duct stent placement
- Feeding tube placement
- Gallbladder Drainage Tube Placement
- Hemorrhoid Embolization
- TIPS Procedure
Drainage
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Kidney & Urinary
Men's health
Nursing care
Office diagnosis
Pain
- Celiac Plexus Nerve Block
- Radiofrequency Nerve Ablation
- Epidural steroid injection
- Sacroiliac joint injection
Post-Op Care
Skin Procedures
Thyroid
Vascular
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
- Laser Vein Treatment For Leg Swelling
- Minimally Invasive Aneurysm Repair
- Thoracic Duct Embolization
- Vascular Malformation Sclerotherapy
- Vein Blood Flow Study
- Vein Stent Placement
- Blood Clot Removal Surgery
- Sclerotherapy
Vascular access
Vascular Access
Veins & circulation
Women's health
Wounds & recovery
Most searched procedures
- Angiogram
- Atherectomy
- Kyphoplasty
- Prostate artery embolization
- Uterine fibroid embolization
- Y-90 radioembolization
Diagnostic
Procedures Most Often Billed to Medicare
2,144 services · 2,039 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Procedure | 61645 |
11 | Less often than most peers in Vascular & Interventional… |
| Ct scan head or brain without contrast | Imaging | 70450 |
788 | More than most peers in Vascular & Interventional… |
| Mri scan of brain before and after contrast | Imaging | 70553 |
271 | More than most peers in Vascular & Interventional… |
| Ct scan of upper spine without contrast | Imaging | 72125 |
216 | More than most peers in Vascular & Interventional… |
| Ct scan of lower spine without contrast | Imaging | 72131 |
105 | More than most peers in Vascular & Interventional… |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
102 | More often than most peers in Vascular & Interventional… |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
99 | More often than most peers in Vascular & Interventional… |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
99 | More often than most peers in Vascular & Interventional… |
| Mri scan of brain without contrast | Imaging | 70551 |
92 | More often than most peers in Vascular & Interventional… |
| Ct scan of face without contrast | Imaging | 70486 |
62 | More often than most peers in Vascular & Interventional… |
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 interventional radiologists in Saint Louis 8
Same specialty, same city.
Trained at University of Chicago, Pritzker School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Holloway's specialty?
Dr. Holloway is an interventional radiologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular & Interventional Radiology”.
NPI registry
Where can I find Dr. Holloway?
Dr. Holloway is listed at 226 N Boyle Ave Apt 2N, Saint Louis, MO 63108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Holloway?
The number on file is (314) 535-3601. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Holloway's NPI number?
Dr. Holloway's National Provider Identifier is 1649396334. 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
What is Dr. Holloway's medical education?
Dr. Holloway attended University of Chicago, Pritzker School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Holloway been practicing?
Dr. Holloway has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Holloway known for?
According to Medicare billing data, Dr. Holloway performs procedures including removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance; reads or performs imaging such as ct scan head or brain without contrast and mri scan of brain before and after contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Holloway confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Holloway. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.