Doctor profile · Federal record
Dr. John Vainder, MD
Gastroenterology Physician · Evanston, IL
- NPI 1508858226
- MIPS 85.1 / 100 · 2023
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Austin St, Suite 505 West Tower
Evanston, IL 602023439
(847) 491-9020
fax (847) 491-0182 - Mailing address
-
20 Tower CT, Suite C
Gurnee, IL 600315711
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- February 19, 2015
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036-057977
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508858226. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,067
Distinct HCPCS
10
Medicare allowed
$133,187
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 378 | 205 | $94 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 110 | 79 | $83 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 95 | 95 | $113 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 71 | 71 | $118 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 70 | 54 | $53 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 68 | 68 | $269 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 63 | 63 | $176 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 53 | 53 | $196 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $172 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 38 | 37 | $190 |
In context: peer comparison
Among 7 peers in Evanston Gastroenterology Physician, average services per provider: 58. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$293
Transactions
16
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 4 | $63.10 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $54.22 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $47.91 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $35.89 | |
| Abbvie INC. | 2 | $33.78 | |
| Qol Medical, LLC | 1 | $24.91 | |
| Regeneron Healthcare Solutions, INC. | 1 | $17.43 | |
| Ardelyx, INC. | 1 | $16.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
765
Patients
470
Total drug cost
$53,597
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 205 | 199 | $3,438 |
| Famotidine | Generic | 189 | 76 | $4,497 |
| Pantoprazole Sodium | Generic | 133 | 54 | $2,207 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 36 | 35 | $676 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 27 | 27 | $475 |
| Omeprazole | Generic | 27 | 0 | $366 |
| Dicyclomine Hcl | Generic | 20 | 15 | $502 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 19 | 19 | $1,419 |
| Tenofovir Disoproxil Fumarate | Generic | 19 | 0 | $9,780 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 18 | 18 | $351 |
Frequently asked questions
What is Dr. John Vainder's medical specialty?
Dr. John Vainder practices Gastroenterology Physician in Evanston, IL.
Where does Dr. John Vainder practice?
Dr. John Vainder practices at 800 Austin St, Evanston, IL 602023439. Office phone: 8474919020.
What is Dr. John Vainder's NPI?
Dr. John Vainder's National Provider Identifier (NPI) is 1508858226, issued by NPPES.
What procedures does Dr. John Vainder commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.