NPI age
20 years
Enumerated 2006-03-27
● Active
Type 1 · Individual
David Alan Kastner, M.D.
Kastner is 1 of 4 family medicine providers in Amarillo and 1 of 237 in Texas.
Primary specialty
Family Medicine
Licensed in
KS
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
Not specified
May be part of a larger org
How this provider compares
Across 237 active family medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
38% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-03Enumerated in NPPES
2006
2026
Where they practice
Practice location
6010 W Amarillo Blvd
Amarillo, TX 791061990
Mailing address
5200 Buffalo Springs Trl
Amarillo, TX 791196875
Specialties
-
Family Medicine PrimaryA family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in...
Practice context
Part of a multi-provider practice. 250 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 237 Family Medicine 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.