NPI age
19 years
Enumerated 2006-07-19
● Active
Type 1 · Individual
William Lance Walkup, FNP-C
Walkup is 1 of 31 nurse practitioner providers in Denison 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
2018-05-01
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
1
In the 23% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
900 N Armstrong Ave
Denison, TX 750202230
Mailing address
900 N Armstrong Ave
Denison, TX 750202230
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
ChiropractorA provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal...
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.