DR. DAVID SCOTT CHUDWIN (M.D.) – Allergy & Immunology Physician, NPI 1669472262
Allergy & Immunology Physician
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Profile Insights
NPPES metrics only — not quality of care.
220 ALLERGY/IMMUNOLOGY in IL
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Provider Addresses for DR. DAVID SCOTT CHUDWIN (M.D.)
1, Briarwood Lane, Lincolnshire, Illinois, 60069, United States
LINCOLNSHIRE, IL 600692500
Phone: (847) 272-4296
Fax: (847) 272-4177
Type: Mailing
475, Brown Boulevard, Bourbonnais, Kankakee County, Illinois, 60914, United States
BOURBONNAIS, IL 609142325
Phone: (815) 933-5092
Fax: (815) 933-5494
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $601.
Total Amount is formed as General ($601) + Research ($0) + Ownership ($0) = $601.
Last reported payment date: 2023-12-19 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($253).
Total Amount
$601
General + Research + Ownership
Payments
37
Total payment records
General Amount
$601
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $253 |
| GENZYME CORPORATION | $102 |
| Regeneron Healthcare Solutions, Inc. | $58 |
| Incyte Corporation | $55 |
| Amgen Inc. | $43 |
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: 2005-01-03
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 |
|---|---|---|---|---|
| I20050103000637 | I | Allergy/Immunology | 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 |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 1,033 | 33 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 386 | 28 | $0 |
| 95117 | Professional service for multiple injections of allergen | 334 | 78 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 221 | 124 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 40 | 13 | $0 |
Insurance plans in this area (ZIP 60069)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | IL | |
| A L L E R G Y/ I M M U N O L O G Y | IL | |
| A L L E R G Y/ I M M U N O L O G Y | IL |
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