NPI age
19 years
Enumerated 2006-10-13
● Active
Type 1 · Individual
Sarah Sager Karpoff, RN, ACNP-BC, FNP-BC
Karpoff is 1 of 446 nurse practitioner providers in Dallas and 1 of 3226 in Texas.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
TX, AR
2 states
Status
Active
No deactivations on record
Last NPPES update
2016-12-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 3226 active nurse practitioner providers in Texas.
NPI age
19 years
↑ 13 yr above median (6 yr)
State licenses
2 states
Top 94% — 6% of peers are multi-state
Subspecialties
0
30% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
5323 Harry Hines Blvd
Dallas, TX 753907208
Mailing address
Po Box 845347
Dallas, TX 752845347
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (AR) | N/A |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 4085 other active providers share this practice address in NPPES.
Recently enumerated nearby: 14 new nurse practitioner providers have been added in Dallas in the last 180 days.
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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.