Doctor profile · Federal record
Dr. Abraham Winkelstein
Gastroenterology Physician (CMS: Gastroenterology) · Shenandoah, TX
- NPI 1548260920
- Accepts Medicare
- MIPS 75.9 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
111 Vision Park Blvd, Ste 150
Shenandoah, TX 773843002
(936) 321-0033
fax (936) 321-0032 - Mailing address
-
Po Box 130894
The Woodlands, TX 773930894
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- May 20, 2008
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #K4297
- Medicaid (2)
- TX #158070601 · TX #158070602
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548260920. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
765
Distinct HCPCS
9
Medicare allowed
$112,065
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 163 | 162 | $103 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 157 | 155 | $239 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 129 | 116 | $121 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 119 | 116 | $118 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 67 | 67 | $160 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 47 | 47 | $108 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 43 | 43 | $172 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 22 | 22 | $156 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 17 | $87 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 84. This provider delivers 9.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
611
Patients
214
Total drug cost
$60,840
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 211 | 75 | $3,095 |
| Omeprazole | Generic | 207 | 84 | $2,199 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 44 | 44 | $755 |
| Famotidine | Generic | 31 | 11 | $459 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 29 | 0 | $11,988 |
| Sucralfate | Generic | 21 | 0 | $964 |
| Dicyclomine Hcl | Generic | 18 | 0 | $68 |
| Linzess (Linaclotide) | Brand | 16 | 0 | $12,260 |
| Creon (Lipase/Protease/Amylase) | Brand | 12 | 0 | $19,171 |
| Azathioprine | Generic | 11 | 0 | $9,580 |
Frequently asked questions
What is Dr. Abraham Winkelstein's medical specialty?
Dr. Abraham Winkelstein practices Gastroenterology Physician in Shenandoah, TX.
Where does Dr. Abraham Winkelstein practice?
Dr. Abraham Winkelstein practices at 111 Vision Park Blvd, Shenandoah, TX 773843002. Office phone: 9363210033.
What is Dr. Abraham Winkelstein's NPI?
Dr. Abraham Winkelstein's National Provider Identifier (NPI) is 1548260920, issued by NPPES.
Does Dr. Abraham Winkelstein accept Medicare assignment?
Yes. Dr. Abraham Winkelstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abraham Winkelstein commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.