NPI age
19 years
Enumerated 2006-12-18
● Active
Type 1 · Individual
MR. John George Haidinyak, MD
Haidinyak is 1 of 5 anesthesiology providers in Nacogdoches and 1 of 6023 in Texas.
Primary specialty
Anesthesiology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2009-03-06
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6023 active anesthesiology providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-12Enumerated in NPPES
2006
2026
Where they practice
Practice location
4920 Northeast Stallings Drive
Nacogdoches, TX 75961
Mailing address
1329 N University Dr Suite E1
Nacogdoches, TX 75961
Specialties
-
Anesthesiology PrimaryAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | F5222 | COM |
| 01 (TX) | 88430X | BLUECROSS |
| 01 (TX) | 8AT728 | BCBS |
| 05 (TX) | 110255004 | |
| 05 (TX) | 110255002 |
Practice context
Solo or small practice. No 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 →
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