DR. JOHN MARTIN VAINDER (MD) – Gastroenterology Physician, NPI 1508858226
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. JOHN MARTIN VAINDER (MD)
20, Tower Court, Gurnee, Lake, Illinois, 60031, United States
SUITE C
GURNEE, IL 600315711
Phone: (847) 244-2960
Fax: (847) 244-2986
Type: Mailing
800, Austin Street, Evanston, Evanston Township, Cook County, Illinois, 60202, United States
SUITE 505 WEST TOWER
EVANSTON, IL 602023439
Phone: (847) 491-9020
Fax: (847) 491-0182
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 108 Open Payments records for all available years, with a total value of $1,640.
Total Amount is formed as General ($1,640) + Research ($0) + Ownership ($0) = $1,640.
Last reported payment date: 2024-07-30 • Largest payer in this snapshot: Janssen Biotech, Inc. ($352).
Total Amount
$1,640
General + Research + Ownership
Payments
108
Total payment records
General Amount
$1,640
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-07-30
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-01-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100107000562 | I | Gastroenterology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 378 | 205 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 110 | 79 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 95 | 95 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 71 | 71 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 70 | 54 | $0 |
Insurance plans in this area (ZIP 60031)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | IL | |
| Physician Assistant | IL | |
| Nurse Practitioner | IL | |
| Gastroenterology, Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| P A T H O L O G Y | WI | |
| G A S T R O E N T E R O L O G Y | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| - | IL | |
| G A S T R O E N T E R O L O G Y | IL |
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