CHARLES GREGORY MADDUX (M.D.) – Ophthalmology Physician, NPI 1346603974
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,665 OPHTHALMOLOGY in CA
Loading map...
Provider Addresses for CHARLES GREGORY MADDUX (M.D.)
2100 LITTLE MOUNTAIN LN
MOUNT VERNON, WA 982748752
Phone: (360) 416-6735
Fax: (360) 424-6954
Type: Mailing
Mountain View Avenue, Loma Linda, San Bernardino County, California, 92354, United States
LOMA LINDA, CA 92354
Phone: (909) 558-6131
Fax: (909) 558-0430
Type: Location
2160 S 1st Ave
Maywood, IL 601533328
Phone: (708) 216-5368
Fax: (708) 216-3375
Type: Location
2131 Hospital Dr
Sedro Woolley, WA 982844301
Phone: (360) 416-6735
Fax: (360) 424-6954
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $250.
Total Amount is formed as General ($250) + Research ($0) + Ownership ($0) = $250.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Glaukos Corporation ($66).
Total Amount
$250
General + Research + Ownership
Payments
11
Total payment records
General Amount
$250
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
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: 2020-06-19
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 |
|---|---|---|---|---|
| I20200619002213 | I | Ophthalmology | WA | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 486 | 479 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 341 | 248 | $0 |
| 92134 | Imaging of retina | 235 | 110 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 235 | 152 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 218 | 121 | $0 |
Insurance plans in this area (ZIP 98274)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | WA | |
| O P T O M E T R Y | WA | |
| - | WA | |
| O P H T H A L M O L O G Y | WA | |
| O P T O M E T R Y | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.