NPI age
19 years
Enumerated 2006-06-22
● Active
Type 1 · Individual
Kelly H. Simpson, MD
Simpson is 1 of 5 allergy & immunology providers in Cedar Park and 1 of 506 in Texas.
Primary specialty
Allergy & Immunology
Plus 1 subspecialty
Licensed in
TX, SC
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-06-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 506 active allergy & immunology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 90% — 9% of peers are multi-state
Subspecialties
1
In the 28% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
1401 Medical Parkway, Bldg. B #220
Cedar Park, TX 786137464
Mailing address
6210 E Hwy 290
Austin, TX 787231142
Specialties
-
Allergy & Immunology PrimaryAn allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and...
-
PediatricsA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 204494302 | |
| 05 (TX) | 203699801 | |
| 05 (TX) | 203699802 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 8 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.