NPI age
12 years
Enumerated 2014-04-07
● Active
Type 1 · Individual
Gregory N Wallingford, MD, MBA
Wallingford is 1 of 2 emergency medicine providers in Austin and 1 of 17 in Texas.
Primary specialty
Emergency Medicine
Plus 1 subspecialty
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-04-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 17 active emergency medicine providers in Texas.
NPI age
12 years
≈ at median (12 yr)
State licenses
2 states
Top 88% — 11% of peers are multi-state
Subspecialties
1
In the 23% of peers with subspecialties
NPI lifetime · 2014 → 2026
2014-04Enumerated in NPPES
2014
2026
Where they practice
Practice location
1500 Red River St
Austin, TX 787011918
Mailing address
1601 Trinity St
Austin, TX 787121765
Specialties
-
Emergency Medicine PrimaryAn emergency medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
-
Emergency MedicineAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Practice context
Part of a multi-provider practice. 170 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.