ARAVINDHAN ARUMUGARAJAH (D.O.) – Nephrology Physician, NPI 1780978759
Nephrology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
269 NEPHROLOGY in IN
Provider Addresses for ARAVINDHAN ARUMUGARAJAH (D.O.)
120 W 22ND ST STE 200
OAK BROOK, IL 605231563
Phone: (630) 575-5000
Type: Mailing
5615 US Highway 6
Portage, IN 463685213
Phone: (219) 462-6001
Fax: (219) 462-6060
Type: Location
2711 LEONARD DR STE 101
VALPARAISO, IN 463837121
Phone: (219) 462-6001
Fax: (219) 462-6060
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 20 Open Payments records for all available years, with a total value of $472.
Total Amount is formed as General ($472) + Research ($0) + Ownership ($0) = $472.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($162).
Total Amount
$472
General + Research + Ownership
Payments
20
Total payment records
General Amount
$472
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
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: 2025-01-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20180103001936 | I | Nephrology | IN | TBD |
| I20250103001631 | I | Nephrology | TX | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 785 | 257 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 704 | 226 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 243 | 211 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 226 | 156 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 107 | 51 | $0 |
Insurance plans in this area (ZIP 60523)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| N E P H R O L O G Y | KS | |
| Physician Assistant | UT | |
| Nephrology, Internal Medicine | PA | |
| Nurse Practitioner | TX | |
| Internal Medicine, Nephrology | TX | |
| Nephrology, Internal Medicine | TX | |
| N E P H R O L O G Y | OK | |
| N E P H R O L O G Y | TX | |
| N E P H R O L O G Y | NY |
Reviews
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