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Edit this profileAt a glance
- 800 N. 1St Street, Springfield, IL 62702
About Dr. Ryan
Based in Springfield, IL, Stephen M. Ryan, M.D. is listed in the NPI registry under vascular surgery. Stephen graduated from Illinois Medical College in 1990. Medicare claims data shows Stephen provided 870 services to 795 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, ultrasound of both sides of head and neck blood flow, and ultrasound study of one arm or leg veins with compression and maneuvers. NPI 1407949365 identifies this record in the national registry.
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
- (217) 528-7541
- Email not available
Practice Locations
800 N. 1ST STREET
Springfield, IL 62702
Conditions Commonly Evaluated or Treated
Within Vascular Surgery 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
Aneurysms
Aortic disease
Artery conditions
Artery disease
- Cold Sensitive Fingers and Toes
- Fibromuscular Dysplasia
- Mesenteric ischemia
- Narrow kidney artery
- Subclavian Steal Syndrome
Artery inflammation
Blood clots
Congenital vascular disorders
Dialysis
Digestive & abdominal
Emergencies
Foot & toe conditions
Leg & foot pain
Nerve & vessel compression
Skin & vein conditions
Vascular malformations
Vascular tumors
Vein conditions
Vein disease
Wounds & sores
Wounds & ulcers
Procedures & services
Most searched procedures
- Bypass surgery
- Carotid endarterectomy
- Sclerotherapy
- Spider vein removal
- Varicose vein treatment
- Vein ablation
Amputation surgery
Aneurysm repair
- Complex Branched Aortic Aneurysm Repair
- Minimally Invasive Aneurysm Repair
- Open Aortic Aneurysm Surgery
- Popliteal Aneurysm Repair
- Pseudoaneurysm Injection Repair
- Thoracic Endovascular Aortic Repair
- Visceral Aneurysm Coiling
Artery procedures
- Atherectomy
- Balloon Angioplasty for Legs
- Carotid Artery Stent
- Leg Artery Stent
- Limb Salvage Surgery
- Mesenteric Artery Stenting
- Renal artery stenting
- Transcarotid Artery Revascularization
Artery surgery
Blood clot treatments
Blood clots
- Blood Clot Removal Surgery
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Diagnostic procedures
Diagnostic tests
Dialysis access
Emergency surgery
Imaging & diagnostics
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
- Leg Vein Ultrasound
- Peripheral Angiogram
Nerve & vessel compression
Nerve surgery
Vascular access
- Chemo port placement
- Chemo port removal
- Dialysis Catheter Removal
- Tunneled Dialysis Catheter Placement
Vascular malformation treatments
Vein procedures
Vein treatments
Wound care
Procedures Most Often Billed to Medicare
870 services · 795 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
30 | As often as other peers in Vascular Surgery |
| Relocation of arm vein with connection to arm artery for hemodialysis | Procedure | 36821 |
17 | As often as other peers in Vascular Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
13 | Less often than most peers in Vascular Surgery |
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
13 | Less often than most peers in Vascular Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
195 | More often than most peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
78 | More often than most peers in Vascular Surgery |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
56 | As often as other peers in Vascular Surgery |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
26 | As often as other peers in Vascular Surgery |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93979 |
21 | As often as other peers in Vascular Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
19 | More often than most peers in Vascular Surgery |
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 3
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 vascular surgeons in Springfield 8
Same specialty, same city.
More connections — 14 related providers in 2 groups
Class of 1990 at Illinois Medical College 6
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Stephen M. Ryan's specialty?
Stephen M. Ryan is a vascular surgeon in Springfield, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Vascular Surgery”.
NPI registry
Where can I find Stephen M. Ryan?
Stephen M. Ryan is listed at 800 N. 1St Street, Springfield, IL 62702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Stephen M. Ryan?
The number on file is (217) 528-7541. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Stephen M. Ryan?
Stephen M. Ryan's National Provider Identifier is 1407949365. 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 Stephen M. Ryan's education?
Stephen M. Ryan attended Illinois Medical College, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Stephen M. Ryan have?
Stephen M. Ryan has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Stephen M. Ryan known for?
According to Medicare billing data, Stephen M. Ryan performs procedures including insertion of needle into vein for collection of blood sample and relocation of arm vein with connection to arm artery for hemodialysis; reads or performs imaging such as ultrasonic guidance for blood vessel access and ultrasound scan of abdominal aorta; provides treatments such as ultrasound of both sides of head and neck blood flow 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 Stephen M. Ryan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Stephen M. Ryan. If this is you, claiming it is free.
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