NPI age
20 years
Enumerated 2005-07-27
● Active
Type 1 · Individual
Abraham Winkelstein
Winkelstein is 1 of 24 internal medicine providers in Shenandoah and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2008-05-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1807 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-07Enumerated in NPPES
2005
2026
Where they practice
Practice location
111 Vision Park Blvd, Ste 150
Shenandoah, TX 773843002
Mailing address
Po Box 130894
The Woodlands, TX 773930894
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 2242212 | AETNA |
| 01 (TX) | 9108664 | CIGNA |
| 05 (TX) | 158070601 | |
| 05 (TX) | 158070602 | |
| 01 (TX) | 236287 | AMERICAID |
| 01 (TX) | 4345771 | AETNA |
| 01 (TX) | 84441Y | BLUE CROSS |
Practice context
Part of a multi-provider practice. 23 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 1807 Internal Medicine 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.