NIDAL SHAWAHIN (MD) – Internal Medicine Physician, NPI 1245236884
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for NIDAL SHAWAHIN (MD)
4600, Memorial Drive, Royal Heights, Belleville, Saint Clair County, Illinois, 62226, United States
STE. 360
BELLEVILLE, IL 622265368
Phone: (618) 222-7280
Fax: (618) 222-7281
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 397 Open Payments records for all available years, with a total value of $6,812.
Total Amount is formed as General ($6,812) + Research ($0) + Ownership ($0) = $6,812.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,737).
Total Amount
$6,812
General + Research + Ownership
Payments
397
Total payment records
General Amount
$6,812
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $1,737 |
| ABBVIE INC. | $688 |
| Lilly USA, LLC | $565 |
| Janssen Pharmaceuticals, Inc | $231 |
| GlaxoSmithKline, LLC. | $204 |
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: 2004-06-10
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 |
|---|---|---|---|---|
| I20040610000436 | I | Internal Medicine | IL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 856 | 365 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 215 | 215 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 204 | 150 | $0 |
| G0008 | Administration of influenza virus vaccine | 152 | 149 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 137 | 134 | $0 |
Insurance plans in this area (ZIP 62226)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | IL | 20610 | Aspiration and/or injection of large joint or joint capsule | 35 | 22 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | MO | |
| Physician Assistant | IL | |
| Hospitalist, Internal Medicine, Pediatric Medicine, Hospitalist | MO | |
| Family Practice | IL | |
| Hospitalist, Family Practice | IL | |
| E N D O C R I N O L O G Y | IL | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO |
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