William Joseph Reynders, M.D.
Ophthalmology Physician · Green Bay, WI
William Joseph Reynders, M.D. is an ophthalmology physician with a practice address in Green Bay, Wisconsin, and NPI 1134440670, issued on Jun 18, 2010. Check the license (Wisconsin 56158-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Joseph Reynders
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 56158-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2253 W Mason St, Green Bay, WI 54303
- Phone
- (920) 327-7000
- Enumerated
- Jun 18, 2010
- Record last updated
- May 19, 2026
- Fax
- (920) 327-7005
- Medicare enrollment
- Enrolled (PECOS I20190711000248); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2010
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 2253 W Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Alexander, M.D.Pediatrics Physician1780737155
- Madeline Almond, MDOphthalmology Physician1720098288
- Catharine Aune, CRNPNurse Practitioner1437573086
- Brianna Baeten, PAPhysician Assistant1194358648
- Heidi Bergman, PT, DPTPhysical Therapist1073130670
- Joseph Bergmann, M.D.Glaucoma Specialist (Ophthalmology) Physician1265623649
Verify William Joseph Reynders in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 56158-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average ophthalmology physician in 2024
2,014 Medicare Part D claims for 770 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Prednisolone Acetate943 claims
- Moxifloxacin340 claims
- Latanoprost131 claims
- Erythromycin106 claims
- Prolensa63 claims
- Diclofenac Sodium56 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): 77.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $29.45
2 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Baycare Clinic LLPGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Joseph Reynders among 441 ophthalmology physician records in Wisconsin
William Joseph Reynders, M.D. is one of 441 ophthalmology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 75% of them.
- NPI issued2010 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2010 · median 2005 among the 259 with a school on file
- Record last updated2026 · 65% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Green Bay → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Madeline Almond, MDGreen Bay, WI 543031720098288
- Dianna Bordewick, MDGreen Bay, WI 543031790720100
- Pamela Dobson, DOGreen Bay, WI 543031316932197
- Charles Errico, MDGreen Bay, WI 543031871538132
- William Foster, MDGreen Bay, WI 543031568490829
- Annette Giangiacomo, MDGreen Bay, WI 543031912929019
- Kara Harbick, MDGreen Bay, WI 543031366481772
- Richard Heckert, MDGreen Bay, WI 543031467498915
Common questions
What is William Joseph Reynders, M.D.'s NPI number?
William Joseph Reynders, M.D.'s National Provider Identifier (NPI) is 1134440670, issued on Jun 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Reynders, M.D. located?
The NPPES record lists a practice address at 2253 W Mason St, Green Bay, WI, 54303. Phone: (920) 327-7000. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Reynders, M.D.'s license?
NPPES lists Wisconsin license number 56158-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Joseph Reynders, M.D. prescribe under Medicare Part D?
In 2024, William Joseph Reynders, M.D. had 2,014 Medicare Part D claims for 770 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is William Joseph Reynders, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.3 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.