NPI age
19 years
Enumerated 2006-07-10
● Active
Type 1 · Individual
Marcell D Glynn, LCSW
Glynn is 1 of 688 specialist providers in Houston and 1 of 4038 in Texas.
Primary specialty
Specialist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 4038 active specialist providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
0% of peers hold multiple states
Subspecialties
0
7% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
2620 Fountain View Dr, Suite 485
Houston, TX 770577621
Mailing address
2239 Highland Hills Dr
Sugar Land, TX 774784311
Specialties
-
Specialist PrimaryAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
Recently enumerated nearby: 4 new specialist providers have been added in Houston in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 4038 Specialist 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.