DR. ARUN PILLAI (M.D.) – Gastroenterology Physician, NPI 1336107994
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
978 GASTROENTEROLOGY in IL
Provider Addresses for DR. ARUN PILLAI (M.D.)
4309 W Medical Center Dr Ste B301
McHenry, IL 600508439
Phone: (847) 535-6083
Fax: (847) 234-4336
Type: Location
North 19th Avenue, Phoenix, Maricopa County, Arizona, 85027, United States
PHOENIX, AZ 850273588
Phone: (480) 822-0225
Type: Mailing
5620, West Thunderbird Road, Glendale, Maricopa County, Arizona, 85306, United States
GLENDALE, AZ 853064636
Phone: (602) 795-7256
Fax: (602) 795-7257
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $101.
Total Amount is formed as General ($101) + Research ($0) + Ownership ($0) = $101.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Boston Scientific Corporation ($68).
Total Amount
$101
General + Research + Ownership
Payments
3
Total payment records
General Amount
$101
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $68 |
| GlaxoSmithKline, LLC. | $34 |
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: 2025-12-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 6 Medicare enrollment records; no due dates published yet.
Enrollment records
6
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 |
|---|---|---|---|---|
| I20080822000468 | I | Gastroenterology | NC | TBD |
| I20141118002698 | I | Gastroenterology | AZ | TBD |
| I20150618001140 | I | Gastroenterology | HI | TBD |
| I20240403001688 | I | Gastroenterology | IL | TBD |
| I20240813000625 | I | Gastroenterology | TN | TBD |
| I20251209002595 | I | Gastroenterology | DE | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 21 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 60050)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Occupational Therapist In Private Practice | NC | |
| Physician Assistant | SC | |
| Physical Therapist In Private Practice | NC | |
| Physical Therapist In Private Practice | NC | |
| G A S T R O E N T E R O L O G Y | NC | |
| Physical Therapist In Private Practice | SC | |
| Physical Therapist In Private Practice | NC | |
| Physical Therapist In Private Practice | TX | |
| Nurse Practitioner | NC | |
| Internal Medicine, Gastroenterology | NC |
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