DR. CHARLOTTE FLORENCE NIELSEN (O.D.) – Optometrist, NPI 1962492975
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 DR. CHARLOTTE FLORENCE NIELSEN (O.D.)
East Washington Street, Grayslake, Lake, Illinois, 60030, United States
GRAYSLAKE, IL 600307960
Phone: (847) 223-2000
Fax: (847) 223-9400
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 7 Open Payments records for all available years, with a total value of $579.
Total Amount is formed as General ($579) + Research ($0) + Ownership ($0) = $579.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Alcon Vision LLC ($423).
Total Amount
$579
General + Research + Ownership
Payments
7
Total payment records
General Amount
$579
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $423 |
| Sun Pharmaceutical Industries Inc. | $113 |
| ABB Con-Cise Optical Group LLC | $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: 2010-09-09
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 |
|---|---|---|---|---|
| I20100909001045 | 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 |
|---|---|---|---|---|
| 92134 | Imaging of retina | 142 | 136 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 119 | 115 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 22 | 22 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 18 | $0 |
Insurance plans in this area (ZIP 60030)
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