Ernest Todd Ajax, MD
Neurology Physician · Washington, IA
Ernest Todd Ajax, MD is a neurology physician with a practice address in Washington, Iowa, and NPI 1740256502, issued on Feb 23, 2006. Check the license (Iowa 30503, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ernest Todd Ajax
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 30503 IA
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Polk St, Washington, IA 52353
- Phone
- (319) 863-2048
- Enumerated
- Feb 23, 2006
- Record last updated
- May 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (319) 863-2049
- Medicaid ID
- 2126268 IA
- Medicare enrollment
- Enrolled (PECOS I20050104000976); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 167 in Iowa → Look up another NPI →
Also registered at 400 E Polk St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ernest Todd Ajax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 30503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average neurology physician in 2024
4,365 Medicare Part D claims for 491 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 108 claims were for opioids.
Most prescribed
- Carbidopa-Levodopa472 claims
- Donepezil Hcl296 claims
- Pramipexole Dihydrochloride257 claims
- Gabapentin207 claims
- Memantine Hcl173 claims
- Pregabalin173 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: $333.20
21 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Washington County HospitalWashington, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernest Todd Ajax among 167 neurology physician records in Iowa
Ernest Todd Ajax, MD is one of 167 neurology physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 56% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1991 · median 2001 among the 86 with a school on file
- Record last updated2016 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Iowa
There are 167 neurology physician records in Iowa.
All 167 in Iowa → Every provider in Washington → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Shereen Chang, MDCedar Rapids, IA 524031508917857
- Scott Geisler, MDCedar Rapids, IA 524031336147933
- Stephanie Jackson, M.D.Cedar Rapids, IA 524031013177872
- Laurence Krain, MDCedar Rapids, IA 524031548268147
- Andrew Peterson, MDCedar Rapids, IA 524031568460061
- Winthrop Risk, MDCedar Rapids, IA 524031104804053
- Thomas Rogers, DOCedar Rapids, IA 524031588983589
- Robert Struthers, MDCedar Rapids, IA 524031982738795
Common questions
What is Ernest Todd Ajax, MD's NPI number?
Ernest Todd Ajax, MD's National Provider Identifier (NPI) is 1740256502, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernest Todd Ajax, MD located?
The NPPES record lists a practice address at 400 E Polk St, Washington, IA, 52353. Phone: (319) 863-2048. Providers update this record themselves, so call before visiting.
How can I verify Ernest Todd Ajax, MD's license?
NPPES lists Iowa license number 30503, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ernest Todd Ajax, MD prescribe under Medicare Part D?
In 2024, Ernest Todd Ajax, MD had 4,365 Medicare Part D claims for 491 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Ernest Todd Ajax, MD'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.