Physician Profile
Unclaimed ProfileAbout IRWIN
Chance Loomis Irwin, MD is a healthcare provider in Amarillo, TX specializing in vascular surgery. Chance trained at University of Texas Medical School at Houston, graduating in 2002. Chance is also listed as specializing in surgery. Medicare claims data shows Chance provided 852 services to 770 patients.
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 kind of doctor is Dr. Irwin?
Dr. Irwin is a vascular surgeon in Amarillo, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “VASCULAR SURGERY”.
NPI registry
What is Dr. Irwin's address?
Dr. Irwin is listed at 1000 S COULTER ST STE 200, Amarillo, TX 79106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Irwin?
The number on file is (806) 212-6604. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Irwin?
Dr. Irwin's National Provider Identifier is 1780888271. 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 Dr. Irwin train?
Dr. Irwin attended University of Texas Medical School at Houston, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Irwin have?
Dr. Irwin has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Irwin perform?
According to Medicare billing data, Dr. Irwin performs procedures including repair of groin hernia using an endoscope and removal of gallbladder using an endoscope; reads or performs imaging such as review by radiologist of abdominal aorta image and review by radiologist of arm or leg artery image; provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound study of 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. Irwin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Irwin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (806) 212-6604
- Email not available
Practice Locations
1000 S COULTER ST STE 200
Amarillo, TX 79106
Procedures Most Often Billed to Medicare
852 services · 770 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of groin hernia using an endoscope | Procedure | 49650 |
13 |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
11 |
| Review by radiologist of abdominal aorta image | Imaging | 75625 |
23 |
| Review by radiologist of arm or leg artery image | Imaging | 75710 |
20 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
110 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
67 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
64 |
| Ultrasound of leg arteries or artery grafts | Treatment | 93925 |
37 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
33 |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
23 |
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.
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.
Other vascular surgeons in Amarillo 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Texas Medical School at Houston 7
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Texas Medical School at Houston 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of groin hernia using an endoscope 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.