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Edit this profileAt a glance
- 8901 Rockville Pike Bldg 9, Bethesda, MD 20889
About Dr. Dryden
John R. Dryden, M.D. practices interventional radiology in Bethesda, MD. John is a 2013 graduate of University of Texas Medical Branch at Galveston. John is also listed as specializing in diagnostic radiology and vascular & interventional radiology. Medicare claims data shows John provided 176 services to 166 patients. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and x-ray of abdomen, 1 view. The provider's National Provider Identifier (NPI) is 1275971699.
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
- (301) 295-5030
- Email not available
Practice Locations
8901 ROCKVILLE PIKE BLDG 9
Bethesda, MD 20889
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
Most searched conditions
- Deep vein thrombosis
- Enlarged prostate
- Peripheral artery disease
- Spinal compression fractures
- Uterine fibroids
- Varicose veins
Bone & Joint
- Benign Bone Tumor
- Heel pain
Brain & Spine
- Brain aneurysm
- Chronic Brain Bleed
- Stroke
Cancer
Digestive
- Acute gallbladder inflammation
- Ascites
- Benign Liver Tumor
- Bleeding Hemorrhoids
- Blocked Bile Duct
- Portal hypertension
Emergency vascular
- Internal Bleeding
Endocrine
Joint & bone pain
Kidney
Men's health
Pain
- Facet joint pain
- Sacroiliac joint pain
- Sciatica
- Severe Cancer Pain in Belly
Respiratory
Vascular
- Aortic aneurysm
- Blocked Chest Vein
- Blood Clot in Lung
- Brain Vascular Malformation
- Carotid Artery Blockage
- Chronic venous insufficiency
- Leg Ulcers
- Lymph Fluid Leak in Chest
- May-Thurner Syndrome
- Narrow kidney artery
- Nutcracker Syndrome
- Spider veins
- Torn Aorta
- Visceral Artery Aneurysm
Women's health
Procedures & services
Most searched procedures
- Angiogram
- Atherectomy
- Kyphoplasty
- Prostate artery embolization
- Uterine fibroid embolization
- Y-90 radioembolization
Bone & Joint
- Osteoid Osteoma Ablation
Brain & Spine
- Brain Aneurysm Coiling
- Image-Guided Lumbar Puncture
- Middle Meningeal Artery Embolization
Cancer
- Chemo port removal
- Kidney Tumor Ablation
- Microwave Ablation for Tumors
- Radiofrequency ablation
- TACE Chemoembolization
- Tumor Cryoablation
Diagnostic
Digestive
- Bile duct stent placement
- Feeding tube placement
- Gallbladder Drainage Tube Placement
- Hemorrhoid Embolization
- TIPS Procedure
Drainage
Emergency vascular
- Embolization for Internal Bleeding
Endocrine
Joint & bone pain
- Knee Embolization for Arthritis
- Vertebroplasty
Kidney
- Dialysis Fistula Repair
- Kidney Drainage Tube Placement
Kidney & Urinary
- Minimally Invasive Dialysis Fistula Creation
Men's health
- Varicocele Embolization
Pain
- Celiac Plexus Nerve Block
- Epidural steroid injection
- Radiofrequency Nerve Ablation
- Sacroiliac joint injection
Vascular
- 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
- Thoracic Duct Embolization
- Vascular Malformation Sclerotherapy
- Vein Blood Flow Study
- Vein Stent Placement
Vascular access
Women's health
Procedures Most Often Billed to Medicare
176 services · 166 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
108 | Less often than most peers in Interventional Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
29 | Less often than most peers in Interventional Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
16 | Less often than most peers in Interventional Radiology |
| Imaging for evaluation of swallowing function | Imaging | 74230 |
12 | Less often than most peers in Interventional Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
11 | Less often than most peers in Interventional Radiology |
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 1
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.
More connections — 24 related providers in 3 groups
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is John R. Dryden?
John R. Dryden is an interventional radiologist in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Radiology”.
NPI registry
What is John R. Dryden's address?
John R. Dryden is listed at 8901 Rockville Pike Bldg 9, Bethesda, MD 20889. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John R. Dryden?
The number on file is (301) 295-5030. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John R. Dryden?
John R. Dryden's National Provider Identifier is 1275971699. 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 John R. Dryden train?
John R. Dryden attended University of Texas Medical Branch at Galveston, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John R. Dryden have?
John R. Dryden has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does John R. Dryden perform?
According to Medicare billing data, John R. Dryden performs imaging including 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
Is John R. Dryden's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John R. Dryden. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.