James Mattax, M.D.
NPI 1346244779 · Ophthalmology Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mattax, M.D. is a Ophthalmology Physician provider in Springfield, MO (NPI 1346244779).
Provider details
- NPI number
- 1346244779
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R9H41 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,558 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 | 629 | $114 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 225 | $36 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 207 | $482 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 154 | $84 |
| Imaging of Retina92134 | 96 | $36 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 74 | $311 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 509 | 277 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 220 | 162 |
| Latanoprost | 172 | 42 |
| Ofloxacin | 91 | 59 |
| Timolol Maleate | 82 | 21 |
| Valacyclovir Hclbrand: Valacyclovir | 59 | 14 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 46 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$78 across 5 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
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2020-07-01
- Certified
- 2020-07-01
Frequently asked questions
- What is James Mattax's NPI number?
- James Mattax's National Provider Identifier (NPI) is 1346244779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mattax's specialty?
- James Mattax is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Mattax located?
- James Mattax's practice location on file with NPPES is 1265 E Primrose St, Springfield, MO 65804-4278.
- What is James Mattax's phone number?
- The practice phone number listed in the NPPES registry for James Mattax is (417) 886-3937.
- Does James Mattax accept Medicare?
- James Mattax is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mattax's NPI active?
- Yes — James Mattax's NPI (1346244779) is active in the NPPES registry as of the last update on 2020-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.