DR. RICHARD W MASON (DO) – Surgery Physician, NPI 1003809625
Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. RICHARD W MASON (DO)
10 MARTIN AVE STE 225
NAPERVILLE, IL 605406590
Phone: (630) 355-5633
Fax: (630) 355-5215
Type: Mailing
Countyline Road, Sandwich, DeKalb County, Illinois, 60548, United States
SANDWICH, IL 605482178
Phone: (815) 786-2722
Fax: (815) 786-6840
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $307.
Total Amount is formed as General ($307) + Research ($0) + Ownership ($0) = $307.
Last reported payment date: 2023-11-13 • Largest payer in this snapshot: Ethicon US, LLC ($286).
Total Amount
$307
General + Research + Ownership
Payments
6
Total payment records
General Amount
$307
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ethicon US, LLC | $286 |
| CONMED Corporation | $21 |
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: 2009-01-07
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 |
|---|---|---|---|---|
| I20090107000138 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 77 | 77 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 48 | 41 | $0 |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | 17 | 17 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | 13 | $0 |
Insurance plans in this area (ZIP 60540)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GENERAL SURGERY | IL | 45385 | Removal of polyps or growths of large bowel using an endoscope | 15 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| Physician Assistant | IL |
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