NPI age
18 years
Enumerated 2007-08-17
● Active
Type 1 · Individual
Aaron Matthew Fields, MD
Fields is 1 of 1645 anesthesiology providers in Dallas and 1 of 6023 in Texas.
Primary specialty
Anesthesiology
Plus 2 subspecialties
Licensed in
TX, WI
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-06-09
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 6023 active anesthesiology providers in Texas.
NPI age
18 years
≈ at median (18 yr)
State licenses
2 states
Top 87% — 12% of peers are multi-state
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-08Enumerated in NPPES
2007
2026
Where they practice
Practice location
12222 Merit Dr Ste 600
Dallas, TX 752513294
Mailing address
Po Box 840853
Dallas, TX 752845116
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
3551 Roger Brooke Dr, McHe-Qd (creds)
Fort Sam Houston, TX 782344504
Location 3
6606 Lbj Fwy Ste 200
Dallas, TX 752406524
Location 4
515 22nd Ave
Monroe, WI 535661569
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...
-
AnesthesiologyAn anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also...
Practice context
Part of a multi-provider practice. 942 other active providers share this practice address in NPPES.
Recently enumerated nearby: 4 new anesthesiology providers have been added in Dallas in the last 180 days.
See all →
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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.