GAURAV ALREJA (M.D.) – Internal Medicine Physician, NPI 1639346380
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
269 NEPHROLOGY in IN
Loading map...
Provider Addresses for GAURAV ALREJA (M.D.)
120 W 22ND ST STE 200
OAK BROOK, IL 605231563
Phone: (630) 575-5000
Type: Mailing
606, East Lincolnway, Valparaiso, Porter County, Indiana, 46383, United States
VALPARAISO, IN 463835728
Phone: (219) 462-6001
Type: Mailing
6061, Broadway, Merrillville, Lake County, Indiana, 46410, United States
MERRILLVILLE, IN 464102619
Phone: (219) 884-2640
Fax: (219) 884-2810
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 113 Open Payments records for all available years, with a total value of $2,532.
Total Amount is formed as General ($2,532) + Research ($0) + Ownership ($0) = $2,532.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($444).
Total Amount
$2,532
General + Research + Ownership
Payments
113
Total payment records
General Amount
$2,532
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $444 |
| Fresenius USA Marketing, Inc. | $292 |
| Boston Scientific Corporation | $271 |
| Amgen Inc. | $157 |
| Ardelyx, Inc. | $121 |
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: 2016-06-23
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 |
|---|---|---|---|---|
| I20160623000157 | I | Nephrology | IN | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 646 | 223 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 265 | 34 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 204 | 80 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 200 | 88 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 160 | 64 | $0 |
Insurance plans in this area (ZIP 60523)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | IL | |
| - | IN | |
| - | IL | |
| Physician Assistant | IL | |
| Physician Assistant | IN | |
| Internal Medicine | IL | |
| Hospitalist, Family Practice, Family Practice | VA | |
| Internal Medicine | IN | |
| Internal Medicine | OH | |
| - | IN |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.