CHARLES C III ASSELL (O.D.) – Optometrist, NPI 1962574137
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,715 OPTOMETRY in IL
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Provider Addresses for CHARLES C III ASSELL (O.D.)
3800, East Main Street, St. Charles, St. Charles Township, Kane County, Illinois, 60174, United States
#114
ST CHARLES, IL 601742457
Phone: (630) 443-7200
Type: Location
525, Parkside Drive, Elburn, Blackberry Township, Kane County, Illinois, 60119, United States
ELBURN, IL 601198333
Phone: (630) 365-0702
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $1,367.
Total Amount is formed as General ($1,367) + Research ($0) + Ownership ($0) = $1,367.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Alcon Vision LLC ($484).
Total Amount
$1,367
General + Research + Ownership
Payments
51
Total payment records
General Amount
$1,367
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $484 |
| ABB Con-Cise Optical Group LLC | $284 |
| CooperVision Inc. | $276 |
| Johnson & Johnson Vision Care, Inc. | $198 |
| Sight Sciences, Inc. | $125 |
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: 2004-09-29
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 |
|---|---|---|---|---|
| I20040929000142 | I | Optometry | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 188 | 154 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 76 | 60 | $0 |
| 92134 | Imaging of retina | 37 | 30 | $0 |
| 92133 | Imaging of optic nerve | 35 | 28 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 60174)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPTOMETRY | IL | 92134 | Diagnostic imaging of retina | 27 | 22 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | IL | |
| O P T O M E T R Y | WA | |
| O P T O M E T R Y | IL | |
| - | IL |
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