Martha Joanne Willi, M.D.
Ophthalmology Physician · Peoria, IL
Martha Joanne Willi, M.D. is an ophthalmology physician with a practice address in Peoria, Illinois, and NPI 1558349001, issued on Jan 5, 2006. Check the license (Illinois 0306042307, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Martha Joanne Willi
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 0306042307 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1216 N Maplewood Ave, Peoria, IL 61606
- Phone
- (309) 674-4500
- Enumerated
- Jan 5, 2006
- Record last updated
- Nov 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (309) 674-4500
- Medicaid ID
- 0306042037 IL
- Medicare enrollment
- Enrolled (PECOS I20071012000175); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1967
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Verify Martha Joanne Willi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 0306042307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $113.33
5 payments; by number, the most common kind was food and beverage; the largest payer was Xeris Pharmaceuticals, 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
- Heartland Community Health ClinicPeoria, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Joanne Willi among 898 ophthalmology physician records in Illinois
Martha Joanne Willi, M.D. is one of 898 ophthalmology physician records with a practice address in Illinois. 75% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1967 · median 1999 among the 551 with a school on file
- Record last updated2015 · 60% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Peoria → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Raymond Heyde, MDPeoria, IL 616031861484263
- Rujuta GorePeoria, IL 616141720546559
- Clifford Myers, M.D.Peoria, IL 616141356320253
- Chittaranjan Reddy, MDPeoria, IL 616141992737084
- Jennifer Thompson, M.D.Peoria, IL 616141831352384
- Jean Vahey, M.D.Peoria, IL 616141407843055
- Min-Kyu Han, M.D.Peoria, IL 616151912901877
- Yannis Kolettis, M.D.Peoria, IL 616151922095579
Common questions
What is Martha Joanne Willi, M.D.'s NPI number?
Martha Joanne Willi, M.D.'s National Provider Identifier (NPI) is 1558349001, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martha Joanne Willi, M.D. located?
The NPPES record lists a practice address at 1216 N Maplewood Ave, Peoria, IL, 61606. Phone: (309) 674-4500. Providers update this record themselves, so call before visiting.
How can I verify Martha Joanne Willi, M.D.'s license?
NPPES lists Illinois license number 0306042307, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.