NPI age
18 years
Enumerated 2007-06-11
● Active
Type 1 · Individual
Chance Loomis Irwin, MD
Irwin is 1 of 7 surgery providers in Amarillo and 1 of 489 in Texas.
Primary specialty
Surgery
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-09-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 489 active surgery providers in Texas.
NPI age
18 years
≈ at median (17 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
1
In the 49% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-06Enumerated in NPPES
2007
2026
Where they practice
Practice location
1000 S Coulter St Ste 200
Amarillo, TX 791061841
Mailing address
Po Box 840026
Dallas, TX 752840026
Specialties
-
Surgery PrimaryA surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
-
SurgeryA general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 204285502 |
Practice context
Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 489 Surgery providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.