Doctor profile · Federal record
Dr. Charles Assell, O.D.
Optometrist (CMS: Optometry) · St Charles, IL
- NPI 1962574137
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3800 E Main St, #114
St Charles, IL 601742457
(630) 443-7200 - Mailing address
-
525 Parkside Dr
Elburn, IL 601198333
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962574137. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
377
Distinct HCPCS
6
Medicare allowed
$29,075
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 188 | 154 | $95 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 76 | 60 | $59 | |
92134 |
Imaging of retina | 37 | 30 | $42 | |
92133 |
Imaging of optic nerve | 35 | 28 | $37 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 24 | 24 | $119 | |
92083 |
Exam of visual field with extended testing | 17 | 15 | $64 |
In context: peer comparison
Among 1 peers in St Charles Optometrist, average services per provider: 62. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$619
Transactions
22
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 9 | $304.26 | |
| Abb Con-Cise Optical Group LLC | 5 | $148.29 | |
| CooperVision INC. | 5 | $89.81 | |
| Johnson & Johnson Vision Care, INC. | 3 | $76.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
94
Patients
13
Total drug cost
$3,206
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 56 | 13 | $1,291 |
| Brimonidine Tartrate | Generic | 27 | 0 | $1,414 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 11 | 0 | $500 |
Frequently asked questions
What is Dr. Charles Assell's medical specialty?
Dr. Charles Assell practices Optometrist in St Charles, IL.
Where does Dr. Charles Assell practice?
Dr. Charles Assell practices at 3800 E Main St, St Charles, IL 601742457. Office phone: 6304437200.
What is Dr. Charles Assell's NPI?
Dr. Charles Assell's National Provider Identifier (NPI) is 1962574137, issued by NPPES.
Does Dr. Charles Assell accept Medicare assignment?
Yes. Dr. Charles Assell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Assell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.