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- 4500 S Garnett Rd, Ste 300, Tulsa, OK 74146
About Dr. Dennis
John S. Dennis, DO practices vascular & interventional radiology in Tulsa, OK. John is a 1978 graduate of Chicago College of Osteopathy. John is also listed as specializing in diagnostic radiology. According to Medicare claims data, John cared for 2,029 Medicare patients across 2,196 services. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and ct scan of abdomen and pelvis with contrast. The provider's National Provider Identifier (NPI) is 1871584060.
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
- (918) 728-6194
- Email not available
Practice Locations
4500 S GARNETT RD STE 300
Tulsa, OK 74146
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
Bone & Joint
Bowel and emergency abdominal
Brain & Spine
Cancer
- Kidney Tumor Ablation
- Microwave Ablation for Tumors
- Tumor Cryoablation
- Chemo port removal
- Radiofrequency ablation
- TACE Chemoembolization
Catheter ablation
Cosmetic dermatology
Digestive
- Gallbladder Drainage Tube Placement
- Hemorrhoid Embolization
- TIPS Procedure
- Bile duct stent placement
- Feeding tube placement
Emergency vascular
Endocrine
Joint & bone pain
- Knee Embolization for Arthritis
- Vertebroplasty
Kidney
- Kidney Drainage Tube Placement
- Dialysis Fistula Repair
Kidney & Urinary
Men's health
Nursing care
Post-Op Care
Skin Procedures
Thyroid
Vascular
- Thoracic Duct Embolization
- Vascular Malformation Sclerotherapy
- Vein Blood Flow Study
- Vein Stent Placement
- Balloon Angioplasty for Legs
- Blood Clot Removal Surgery
- Carotid Artery Stent
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
- Laser Vein Treatment For Leg Swelling
- Minimally Invasive Aneurysm Repair
- Sclerotherapy
Vascular Access
Veins & circulation
Wounds & recovery
Most searched procedures
- Angiogram
- Atherectomy
- Kyphoplasty
- Prostate artery embolization
- Uterine fibroid embolization
- Y-90 radioembolization
Diagnostic
Drainage
- Draining lung fluid
- Incision and drainage of an abscess
- Paracentesis
Pain
- Celiac Plexus Nerve Block
- Epidural steroid injection
- Radiofrequency Nerve Ablation
- Sacroiliac joint injection
Vascular access
- Chemo port placement
- PICC line placement coordination
Women's health
- Pelvic Vein Embolization
- Unblocking Fallopian Tubes
Procedures Most Often Billed to Medicare
2,196 services · 2,029 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
77 | More than most peers in Vascular & Interventional… |
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
32 | As often as other peers in Vascular & Interventional… |
| X-ray of chest, 1 view | Imaging | 71045 |
636 | More often than most peers in Vascular & Interventional… |
| Ct scan head or brain without contrast | Imaging | 70450 |
207 | More often than most peers in Vascular & Interventional… |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
129 | More often than most peers in Vascular & Interventional… |
| X-ray of chest, 2 views | Imaging | 71046 |
106 | As often as other peers in Vascular & Interventional… |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
100 | More often than most peers in Vascular & Interventional… |
| Ct scan of chest without contrast | Imaging | 71250 |
88 | More often than most peers in Vascular & Interventional… |
| X-ray of abdomen, 1 view | Imaging | 74018 |
67 | More often than most peers in Vascular & Interventional… |
| X-ray of hip, 2-3 views | Imaging | 73502 |
67 | 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.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 interventional radiologists in Tulsa 8
Same specialty, same city.
More connections — 12 related providers in 3 groups
Trained at Chicago College of Osteopathy 2
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Chicago College of Osteopathy 3
Providers who graduated from the same medical school in the same year.
Also performs Drainage of fluid from abdominal cavity using imaging guidance 7
Providers in OK who bill this service to Medicare most often.
Common questions
What does Dr. Dennis specialize in?
Dr. Dennis is an interventional radiologist in Tulsa, OK. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular & Interventional Radiology”.
NPI registry
Where is Dr. Dennis located?
Dr. Dennis is listed at 4500 S Garnett Rd Ste 300, Tulsa, OK 74146. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Dennis's phone number?
The number on file is (918) 728-6194. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Dennis's NPI number?
Dr. Dennis's National Provider Identifier is 1871584060. 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. Dennis go to medical school?
Dr. Dennis attended Chicago College of Osteopathy, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Dennis been practicing?
Dr. Dennis has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Dennis do most often?
According to Medicare billing data, Dr. Dennis performs procedures including drainage of fluid from abdominal cavity using imaging guidance and aspiration of fluid from chest cavity using imaging guidance; reads or performs imaging such as x-ray of chest, 1 view and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Dennis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dennis. If this is you, claiming it is free.
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