NISCHAL RAYA (M.D.) – Internal Medicine Physician, NPI 1326429747
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
848 PULMONARY DISEASE in IL
Provider Addresses for NISCHAL RAYA (M.D.)
1653 W CONGRESS PKWY
CHICAGO, IL 606123833
Phone: (312) 942-5000
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 98 Open Payments records for all available years, with a total value of $22,381.
Total Amount is formed as General ($22,381) + Research ($0) + Ownership ($0) = $22,381.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($20,869).
Total Amount
$22,381
General + Research + Ownership
Payments
98
Total payment records
General Amount
$22,381
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $20,869 |
| AstraZeneca Pharmaceuticals LP | $406 |
| GlaxoSmithKline, LLC. | $354 |
| Regeneron Healthcare Solutions, Inc. | $173 |
| Amgen Inc. | $86 |
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: 2023-04-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20190529003287 | I | Hospitalist | IL | TBD |
| I20210714000041 | I | Pulmonary Disease | IL | TBD |
| I20230420002463 | I | Internal Medicine | WI | 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 | 358 | 233 | $0 |
| 99291 | Critical care, first 30-74 minutes | 318 | 175 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 307 | 188 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 167 | 164 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 136 | 109 | $0 |
Insurance plans in this area (ZIP 60612)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IN | |
| Pulmonary Disease, Critical Care (Intensivists) | IL | |
| Pulmonary Disease, Internal Medicine | IL | |
| Internal Medicine, Pulmonary Disease | IL | |
| Critical Care (Intensivists), Internal Medicine | IL | |
| Pulmonary Disease | VA | |
| - | IL | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine, Sleep Medicine | IL | |
| Pulmonary Disease, Critical Care (Intensivists) | IL | |
| Nurse Practitioner | IL |
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