NPI age
15 years
Enumerated 2011-04-07
● Active
Type 1 · Individual
MR. Mark Derrick Allen, DDS MS
Allen is 1 of 10 dentist providers in Rockwall and 1 of 1850 in Texas.
Primary specialty
Dentist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-01-13
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1850 active dentist providers in Texas.
NPI age
15 years
≈ at median (15 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
16% of peers hold subspecialties
NPI lifetime · 2011 → 2026
2011-04Enumerated in NPPES
2011
2026
Where they practice
Practice location
2861 Ridge Rd
Rockwall, TX 75032
Mailing address
2861 Ridge Rd
Rockwall, TX 75032
Specialties
-
Dentist PrimaryThat area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 1927816 |
Practice context
Part of a multi-provider practice. 3 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.