DR. ARUNKUMAR MUTHUSAMY (MD) – Gastroenterology Physician, NPI 1861745507
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
161 GASTROENTEROLOGY in IA
Provider Addresses for DR. ARUNKUMAR MUTHUSAMY (MD)
1015 S HACKETT RD
WATERLOO, IA 507013500
Phone: (319) 234-5990
Type: Location
PO BOX 2758
WATERLOO, IA 507042758
Phone: (248) 766-6636
Type: Mailing
10150 MAPLE GROVE LANE N #210
MAPLE GROVE, MN 55369
Phone: (612) 871-1145
Fax: (612) 870-5491
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2022-08-11
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 |
|---|---|---|---|---|
| I20220811000296 | I | Gastroenterology | MN | 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 |
|---|---|---|---|---|
| J3380 | Injection, vedolizumab, 1 mg | 5,100 | 13 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 149 | 77 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 67 | 67 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 45 | 45 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 35 | 32 | $0 |
Insurance plans in this area (ZIP 50701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MN | |
| - | MN | |
| G A S T R O E N T E R O L O G Y | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| 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 | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| G A S T R O E N T E R O L O G Y | MN | |
| Pediatric Medicine, Gastroenterology | MN |
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