NPPES file of Aug 9, 2026

William F. Mieler, MD

Ophthalmology Physician · Burr Ridge, IL

William F. Mieler, MD is an ophthalmology physician with a practice address in Burr Ridge, Illinois, and NPI 1366508517, issued on Dec 29, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366508517
Name
William F. Mieler
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
180 Harvester Dr Ste 110, Burr Ridge, IL 60527
Phone
(773) 834-4064
Enumerated
Dec 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20041030000144); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1979
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 180 Harvester Dr Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elmer Abbo, MDInternal Medicine Physician1710048541
  2. Kruti Acharya, MDPediatrics Physician1538219563
  3. Jafar Al-Sadir, MDCardiovascular Disease Physician1538220363
  4. G Alexander, MDInternal Medicine Physician1356402184
  5. John Anastasi, MDClinical Pathology/Laboratory Medicine Physician1205988987
  6. Jeffrey Apfelbaum, MDAnesthesiology Physician1700941929

Verify William F. Mieler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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97% fewer Medicare Part D claims than the average ophthalmology physician in 2024

46 Medicare Part D claims for 18 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. William Mieler46
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.8
  2. Costout of 100 · 30%52.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $569.96

7 payments; by number, the most common kind was food and beverage; the largest payer was EyePoint Pharmaceuticals US, 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.

  1. William Mieler$569.96
  2. Specialty average$4,535.02

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

  1. The Board OF Trustees OF The University OF IllinoisChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William F. Mieler among 898 ophthalmology physician records in Illinois

William F. Mieler, MD 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
  • Graduated1979 · median 1999 among the 551 with a school on file
  • Record last updated2007 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ana Loduca, MDBurr Ridge, IL 605271457417602
  2. Michael Glavin, M. D.La Grange Park, IL 605261437102886
  3. Mark Benjamin, MDLa Grange Highlands, IL 605251366433138
  4. Bruce Fick, MDLa Grange Highlands, IL 605251134110422
  5. John Hackett, M.D.La Grange, IL 605251386920205
  6. Robert Gorsich, M.D.Oak Brook, IL 605231497842736
  7. Neerav Lamba, M.D.Oak Brook, IL 605231396030094
  8. Amjad Ahmad, M.D.Lisle, IL 605321952375800

Common questions

What is William F. Mieler, MD's NPI number?

William F. Mieler, MD's National Provider Identifier (NPI) is 1366508517, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William F. Mieler, MD located?

The NPPES record lists a practice address at 180 Harvester Dr Ste 110, Burr Ridge, IL, 60527. Phone: (773) 834-4064. Providers update this record themselves, so call before visiting.

How can I verify William F. Mieler, MD's license?

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.

How much does William F. Mieler, MD prescribe under Medicare Part D?

In 2024, William F. Mieler, MD had 46 Medicare Part D claims for 18 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is William F. Mieler, MD's MIPS final score?

The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.