NPI age
6 years
Enumerated 2019-07-22
● Active
Type 1 · Individual
Gregory Adrian Greenberg, AGCNS-BC
Greenberg is 1 of 38 clinical nurse specialist providers in Austin and 1 of 159 in Texas.
Primary specialty
Clinical Nurse Specialist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-07-22
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 159 active clinical nurse specialist providers in Texas.
NPI age
6 years
↓ 8 yr below median (14 yr)
State licenses
1 state
1% of peers hold multiple states
Subspecialties
0
25% of peers hold subspecialties
NPI lifetime · 2019 → 2026
2019-07Enumerated in NPPES
2019
2026
Where they practice
Practice location
1301 W 38th St Ste 403
Austin, TX 787051013
Mailing address
1408 Coleto St
Austin, TX 78702
Specialties
-
Clinical Nurse Specialist PrimaryA registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | AP142303 | TEXAS STATE BOARD OF NURSING |
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 159 Clinical Nurse 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.