NPI age
12 years
Enumerated 2014-05-21
● Active
Type 1 · Individual
David James Grenn, LPC, NCC, CADC
Grenn is 1 of 122 counselor providers in Brownsville and 1 of 23131 in Texas.
Primary specialty
Counselor
Plus 2 subspecialties
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-12-05
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
12 years
↑ 5 yr above median (7 yr)
State licenses
2 states
Top 97% — 2% of peers are multi-state
Subspecialties
2
In the 20% of peers with subspecialties
NPI lifetime · 2014 → 2026
2014-05Enumerated in NPPES
2014
2026
Where they practice
Practice location
605 E Price Rd
Brownsville, TX 785214272
Mailing address
605 E Price Rd
Brownsville, TX 785214272
Additional practice locations
1 secondary location on file with NPPES.
Location 2
360 East Ave
Rochester, NY 146042638
Specialties
-
Counselor PrimaryDefinition to come...
-
CounselorDefinition to come...
-
CounselorDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (NY) | 1073614533 | NPI |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 3 new counselor providers have been added in Brownsville 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.