Physician Profile
Unclaimed ProfileAbout 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.
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. Ryan's specialty?
Dr. Ryan is a vascular surgeon in Springfield, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “VASCULAR SURGERY”.
NPI registry
Where can I find Dr. Ryan?
Dr. 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 Dr. Ryan?
The number on file is (217) 528-7541. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ryan?
Dr. 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 Dr. Ryan's medical education?
Dr. Ryan attended Illinois Medical College, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ryan have?
Dr. Ryan has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ryan known for?
According to Medicare billing data, Dr. 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 Dr. Ryan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (217) 528-7541
- Email not available
Practice Locations
800 N. 1ST STREET
Springfield, IL 62702
Procedures Most Often Billed to Medicare
870 services · 795 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
30 |
| Relocation of arm vein with connection to arm artery for hemodialysis | Procedure | 36821 |
17 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
13 |
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
13 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
195 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
78 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
56 |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
26 |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93979 |
21 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
19 |
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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.