WILLIAM F MIELER (MD) – Ophthalmology Physician, NPI 1366508517
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
960 OPHTHALMOLOGY in IL
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Provider Addresses for WILLIAM F MIELER (MD)
5841 S MARYLAND AVE # MC1099
CHICAGO, IL 606371447
Phone:
Type: Mailing
Harvester Drive, Burr Ridge, DuPage County, Illinois, 65027, United States
BURR RIDGE, IL 605276686
Phone: (773) 834-4064
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $673.
Total Amount is formed as General ($673) + Research ($0) + Ownership ($0) = $673.
Last reported payment date: 2024-10-25 • Largest payer in this snapshot: EyePoint Pharmaceuticals US, Inc. ($235).
Total Amount
$673
General + Research + Ownership
Payments
8
Total payment records
General Amount
$673
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-25
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-10-30
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 |
|---|---|---|---|---|
| I20041030000144 | I | Ophthalmology | 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 | 739 | 307 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 566 | 286 | $0 |
| 67028 | Injection of drug into eye | 275 | 72 | $0 |
| 76512 | 2d ultrasound scan of eye tissue and structures | 204 | 103 | $0 |
| 76513 | Ultrasound scan of eye using water bath method | 27 | 20 | $0 |
Insurance plans in this area (ZIP 60637)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | IL | 92134 | Diagnostic imaging of retina | 395 | 199 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| O P H T H A L M O L O G Y | IL | |
| Internal Medicine | IL | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| Gastroenterology, Internal Medicine | IL | |
| - | IL | |
| - | IL | |
| Internal Medicine, Infectious Disease | IL | |
| Gastroenterology, Internal Medicine | WI |
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