CHANCE LOOMIS IRWIN (MD) – Vascular Surgery Physician, NPI 1780888271
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
492 VASCULAR SURGERY in TX
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Provider Addresses for CHANCE LOOMIS IRWIN (MD)
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
DALLAS, TX 752840026
Phone: (806) 212-6965
Fax: (806) 212-6278
Type: Mailing
6, Medical Drive, Medical Arts Center, Amarillo, Potter County, Texas, 79106, United States
AMARILLO, TX 791064136
Phone: (806) 212-6604
Fax: (806) 212-0355
Type: Location
1000 S COULTER ST STE 200
AMARILLO, TX 791061841
Phone: (806) 212-6604
Fax: (806) 212-0355
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 30 Open Payments records for all available years, with a total value of $1,168.
Total Amount is formed as General ($1,168) + Research ($0) + Ownership ($0) = $1,168.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Silk Road Medical, Inc. ($326).
Total Amount
$1,168
General + Research + Ownership
Payments
30
Total payment records
General Amount
$1,168
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Silk Road Medical, Inc. | $326 |
| W. L. Gore & Associates, Inc. | $247 |
| Abbott Laboratories | $206 |
| Medtronic, Inc. | $131 |
| Boston Scientific Corporation | $86 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-05-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090514000230 | I | Vascular Surgery | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 251 | 194 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 113 | 111 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 88 | 88 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 50 | 50 | $0 |
| 93925 | Ultrasound of leg arteries or artery grafts | 44 | 43 | $0 |
Insurance plans in this area (ZIP 75284)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Nurse Practitioner | TX | |
| General Practice, Undersea And Hyperbaric Medicine | TX | |
| Nurse Practitioner | TX | |
| General Surgery | TX | |
| - | TX | |
| H O S P I T A L I S T | OR | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX |
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