NPI age
14 years
Enumerated 2011-12-09
● Active
Type 1 · Individual
MISS Zainab Denys Blell, M.S., BCBA
Blell is 1 of 135 behavior analyst providers in Irving and 1 of 6625 in Texas.
Primary specialty
Behavior Analyst
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2013-07-24
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6625 active behavior analyst providers in Texas.
NPI age
14 years
↑ 9 yr above median (5 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2011 → 2026
2011-12Enumerated in NPPES
2011
2026
Where they practice
Practice location
400 E Royal Ln, Bldg 3, Ste 290
Irving, TX 750393540
Mailing address
400 E Royal Ln, Bldg 3, Ste 290
Irving, TX 750393540
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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 12329494 | CAQH |
| 01 (TX) | 0004BF | BCBS PROVIDER NUMBER |
| 01 (TX) | 9154794 | AETNA PROVIDER NUMBER |
Practice context
Part of a multi-provider practice. 22 other active providers share this practice address in NPPES.
Recently enumerated nearby: 3 new behavior analyst providers have been added in Irving 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 →
- 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.