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Edit this profileRyan N. Armstrong, MD practices interventional radiology in Shenandoah, TX. Ryan is a 2003 graduate of University of Texas Medical School at San Antonio. Ryan is also listed as specializing in vascular & interventional radiology. Medicare claims data shows Ryan provided 605 services to 481 patients. The services billed most often include ultrasound study of arm or leg veins with compression and maneuvers, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance. The provider's National Provider Identifier (NPI) is 1154453355.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
8850 SIX PINES DR STE 280
Shenandoah, TX 77380
7619 Branford Pl Ste 230
Sugar Land, TX 77479
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.
Most searched conditions
Bone & Joint
Brain & Spine
Cancer
Digestive
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Men's health
Pain
Respiratory
Vascular
Women's health
Most searched procedures
Bone & Joint
Brain & Spine
Cancer
Diagnostic
Digestive
Drainage
Emergency vascular
Endocrine
Joint & bone pain
Kidney
Kidney & Urinary
Men's health
Pain
Vascular
Vascular access
Women's health
605 services · 481 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance | Procedure | 36475 |
73 | More often than most peers in Interventional Radiology |
| Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance | Procedure | 36466 |
45 | More often than most peers in Interventional Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
52 | Less often than most peers in Interventional Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
23 | Less often than most peers in Interventional Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
13 | Less often than most peers in Interventional Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
13 | Less often than most peers in Interventional Radiology |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
118 | More often than most peers in Interventional Radiology |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
16 | Less often than most peers in Interventional Radiology |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
14 | Less often than most peers in Interventional Radiology |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
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.
Dr. Armstrong is an interventional radiologist in Shenandoah, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Radiology”.
NPI registry
Dr. Armstrong is listed at 8850 Six Pines Dr Ste 280, Shenandoah, TX 77380. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (713) 597-8535. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Armstrong's National Provider Identifier is 1154453355. 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
Dr. Armstrong attended University of Texas Medical School at San Antonio, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. Armstrong has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Armstrong performs procedures including destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance and injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance; reads or performs imaging such as x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and ultrasound study of one arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Armstrong. If this is you, claiming it is free.
Guide.md
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