Physician Profile
Unclaimed ProfileAbout ARMSTRONG
Ryan N Armstrong, MD practises interventional radiology in Shenandoah, TX. Ryan is a 2003 graduate of University of Texas Medical School at San Antonio. Ryan is also listed as specialising in vascular & interventional radiology.
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
Common questions
What is Dr. Armstrong's specialty?
Dr. Armstrong is an interventional radiology in Shenandoah, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL RADIOLOGY”.
NPI registry
Where can I find Dr. Armstrong?
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
How do I contact Dr. Armstrong?
The number on file is (713) 597-8535. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Armstrong?
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
What is Dr. Armstrong's medical education?
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
How much experience does Dr. Armstrong have?
Dr. Armstrong has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Armstrong known for?
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
Is Dr. Armstrong's profile verified?
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (713) 597-8535
- Email not available
Practice Locations
8850 SIX PINES DR STE 280
Shenandoah, TX 77380
Procedures Most Often Billed to Medicare
605 services · 481 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance | Procedure | 36475 |
73 |
| Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance | Procedure | 36466 |
45 |
| X-ray of chest, 1 view | Imaging | 71045 |
52 |
| Ct scan head or brain without contrast | Imaging | 70450 |
23 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
13 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
13 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
118 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
16 |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
14 |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Trained at University of Texas Medical School at San Antonio 7
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of Texas Medical School at San Antonio 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 8
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.