Charles Maddux, M.D.
NPI 1346603974 · Ophthalmology Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Maddux, M.D. is a Ophthalmology Physician provider in Loma Linda, CA (NPI 1346603974).
Provider details
- NPI number
- 1346603974
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,279 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 513 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 329 | $93 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 213 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 209 | $130 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 203 | $552 |
| Imaging of Retina92134 | 203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 375 | 110 |
| Prednisolone Acetate | 168 | 93 |
| Ketorolac Tromethamine | 145 | 77 |
| Timolol Maleate | 144 | 44 |
| Fluorometholone | 88 | 63 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 80 | 22 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 60 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$201 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2160 S 1st AveMaywood, IL 60153-3328Phone: (708) 216-5368Fax: (708) 216-3375
- 2131 Hospital DrSedro Woolley, WA 98284-4301Phone: (360) 416-6735Fax: (360) 424-6954
Registry dates
- Enumerated
- 2016-03-31
- Last updated
- 2022-07-21
- Certified
- 2020-11-24
Frequently asked questions
- What is Charles Maddux's NPI number?
- Charles Maddux's National Provider Identifier (NPI) is 1346603974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Maddux's specialty?
- Charles Maddux is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Maddux located?
- Charles Maddux's practice location on file with NPPES is 11332 Mountain View Ave Ste C, Loma Linda, CA 92354.
- What is Charles Maddux's phone number?
- The practice phone number listed in the NPPES registry for Charles Maddux is (909) 558-6131.
- Does Charles Maddux accept Medicare?
- Charles Maddux is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Maddux's NPI active?
- Yes — Charles Maddux's NPI (1346603974) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.