NPI age
16 years
Enumerated 2009-11-06
● Active
Type 1 · Individual
Leonard Madison Marshall, LPC
Marshall is 1 of 2471 counselor providers in Houston and 1 of 23131 in Texas.
Primary specialty
Counselor
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2018-05-16
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 23131 active counselor providers in Texas.
NPI age
16 years
↑ 9 yr above median (7 yr)
State licenses
1 state
2% of peers hold multiple states
Subspecialties
1
In the 20% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-11Enumerated in NPPES
2009
2026
Where they practice
Practice location
4654 Highway 6 N Ste 301, A
Houston, TX 77084
Mailing address
4654 Highway 6 N Ste 301
Houston, TX 770842879
Specialties
-
Counselor PrimaryDefinition to come...
-
CounselorDefinition to come...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 70 new counselor providers have been added in Houston in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 23131 Counselor providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
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.