NPI age
19 years
Enumerated 2006-08-22
● Active
Type 1 · Individual
Diane Ruth Keahey, DNP APRN FNP-BC
Keahey is 1 of 58 nurse practitioner providers in Sherman and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
TX, OK
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-04-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 22123 active nurse practitioner providers in Texas.
NPI age
19 years
↑ 12 yr above median (7 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
300 N Highland Ave Ste 455
Sherman, TX 750927391
Mailing address
300 N Highland Ave Ste 455
Sherman, TX 750927391
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3415 N Heritage Pkwy
Sherman, TX 75092
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | AP112321 | TEXAS APN LICENCE |
| 05 (TX) | 168082903 | |
| 01 (OK) | 200457760A | OKLAHOMA SOONER CARE |
| 01 (TX) | P00729369 | MEDICARE RAILROAD |
| 01 (TX) | 0377865 | ANCC CERTIFICATION NUMBER |
| 01 (TX) | 161061 | SUPERIOR HEALTH |
| 01 (OK) | 225881 | LICENSE |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 22123 Nurse Practitioner 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.