NPI age
20 years
Enumerated 2005-12-27
● Active
Type 1 · Individual
DR. Charles F. Irwin, M.D.
Irwin is 1 of 3 anesthesiology providers in Dallas and 1 of 9 in Texas.
Primary specialty
Anesthesiology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2011-03-07
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 9 active anesthesiology providers in Texas.
NPI age
20 years
≈ at median (20 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
0
44% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-12Enumerated in NPPES
2005
2026
Where they practice
Practice location
8200 Walnut Hill Ln
Dallas, TX 752314426
Mailing address
Po Box 650426
Dallas, TX 752650426
Specialties
-
Anesthesiology PrimaryAn anesthesiologist who specializes in the diagnosis and treatment of addictions.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 114696104 | |
| 05 (TX) | 114696103 | |
| 01 (TX) | 050064788 | RAILROAD |
Practice context
Part of a multi-provider practice. 231 other active providers share this practice address in NPPES.
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- 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.