James B. Mattax, M.D.
Ophthalmology Physician · Springfield, MO
James B. Mattax, M.D. is an ophthalmology physician with a practice address in Springfield, Missouri, and NPI 1346244779, issued on Jun 13, 2005. Check the license (Missouri R9H41, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- James B. Mattax
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- R9H41 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1265 E Primrose St, Springfield, MO 65804
- Phone
- (417) 886-3937
- Enumerated
- Jun 13, 2005
- Record last updated
- Jul 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (417) 886-1285
- Medicaid IDs
- 202545034 MO
202545026 MO - Medicare enrollment
- Enrolled (PECOS I20100512000973); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1983
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 342 in Missouri → Look up another NPI →
Also registered at 1265 E Primrose St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Engleman, O.D.Optometrist1790754109
- Benjamin Haden, M.D.Ophthalmology Physician1952729600
- David Meinhardt, C.R.N.A.Certified Registered Nurse Anesthetist1013978212
- David Nasrazadani, MDOphthalmology Physician1922529536
- Kenneth Neu, M.D.Ophthalmology Physician1427026715
- Leo Neu, M.D.Ophthalmology Physician1588632889
Verify James B. Mattax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R9H41Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,308 Medicare Part D claims for 387 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Prednisolone Acetate509 claims
- Polymyxin B Sul-Trimethoprim220 claims
- Latanoprost172 claims
- Ofloxacin91 claims
- Timolol Maleate82 claims
- Valacyclovir59 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $77.83
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mattax Neu Prater Eye Center IncSpringfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James B. Mattax among 342 ophthalmology physician records in Missouri
James B. Mattax, M.D. is one of 342 ophthalmology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 76% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1983 · median 1999 among the 202 with a school on file
- Record last updated2020 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Missouri
There are 342 ophthalmology physician records in Missouri.
All 342 in Missouri → Every provider in Springfield → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Robert Benedett, MDSpringfield, MO 658041194724211
- Mark Cascairo, D.O.Springfield, MO 658041881688216
- Warren Collins, M.D.Springfield, MO 658041043220874
- C Faulkner, MDSpringfield, MO 658041104826965
- Judith Harvey, M.D.Springfield, MO 658041912002833
- Francis Jansen, M.D.Springfield, MO 658041770578239
- Judd McNaughton, MDSpringfield, MO 658041629078480
- Gary Mehlhorn, MDSpringfield, MO 658041407856263
Common questions
What is James B. Mattax, M.D.'s NPI number?
James B. Mattax, M.D.'s National Provider Identifier (NPI) is 1346244779, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James B. Mattax, M.D. located?
The NPPES record lists a practice address at 1265 E Primrose St, Springfield, MO, 65804. Phone: (417) 886-3937. Providers update this record themselves, so call before visiting.
How can I verify James B. Mattax, M.D.'s license?
NPPES lists Missouri license number R9H41, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James B. Mattax, M.D. prescribe under Medicare Part D?
In 2024, James B. Mattax, M.D. had 1,308 Medicare Part D claims for 387 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is James B. Mattax, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.