NPI age
19 years
Enumerated 2006-07-31
● Active
Type 1 · Individual
David S Harper, PA
Harper is 1 of 6 physician assistant providers in Amarillo and 1 of 1890 in Texas.
Primary specialty
Physician Assistant
Plus 1 subspecialty
Licensed in
TX, OK
2 states
Status
Active
No deactivations on record
Last NPPES update
2017-11-15
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1890 active physician assistant providers in Texas.
NPI age
19 years
↑ 8 yr above median (11 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
0
32% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
1400 S Coulter St
Amarillo, TX 791061786
Mailing address
1400 Wallace Blvd
Amarillo, TX 791061708
Specialties
-
Physician Assistant PrimaryDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 184517403 | |
| 05 (OK) | 200280530 A | |
| 05 (TX) | 184517402 | |
| 05 (NM) | 77036000 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 191 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.