NPI age
12 years
Enumerated 2013-12-03
● Active
Type 1 · Individual
Alyssa Simpson, MD
Simpson is 1 of 52 pediatrics providers in Austin and 1 of 729 in Texas.
Primary specialty
Pediatrics
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-24
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 729 active pediatrics providers in Texas.
NPI age
12 years
↓ 7 yr below median (19 yr)
State licenses
1 state
21% of peers hold multiple states
Subspecialties
0
47% of peers hold subspecialties
NPI lifetime · 2013 → 2026
2013-12Enumerated in NPPES
2013
2026
Where they practice
Practice location
3000 N. I-35, Suite 770
Austin, TX 78705
Mailing address
3000 N. I-35, Suite 770
Austin, TX 78705
Specialties
-
Pediatrics PrimaryA pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Provyx · Custom healthcare lists
Need all 729 Pediatrics 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.