NPI age
10 years
Enumerated 2015-06-25
● Active
Type 1 · Individual
Mark Christiansen
Christiansen is 1 of 147 behavior analyst providers in Frisco and 1 of 6625 in Texas.
Primary specialty
Behavior Analyst
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-06-25
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 6625 active behavior analyst providers in Texas.
NPI age
10 years
↑ 5 yr above median (5 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2015 → 2026
2015-06Enumerated in NPPES
2015
2026
Where they practice
Practice location
11410 Frontier Dr
Frisco, TX 750331758
Mailing address
11410 Frontier Dr
Frisco, TX 750331758
Specialties
-
Behavior Analyst PrimaryA behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 5 new behavior analyst providers have been added in Frisco in the last 180 days.
See all →
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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