DR. WILLIAM JOSEPH REYNDERS M.D.
NPI 1134440670
Ophthalmology in Green Bay, WI

Q: What is William Reynders's NPI number?

The NPI number for William Reynders is 1134440670. It was assigned to this individual provider in the NPPES registry on June 18, 2010.

Q: What is William Reynders's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for William Reynders was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 18, 2010PECOS EnrolledAccepts Medicare Assignment

94.61/100

CMS Quality Rating

2253 W MASON ST, GREEN BAY, WI 54303(920) 327-7000(920) 327-7005 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 19, 2026, Apr 11, 2024, Nov 21, 2019 and 3 more (6 updates tracked since 2019).

On this page

About Dr. William Joseph Reynders M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM JOSEPH REYNDERS M.D. (NPI 1134440670) is an individual ophthalmology provider in Green Bay, Wisconsin, licensed in Wisconsin (56158-20) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Bay Area Medical Center, and maintains a secondary practice location in Bethesda.

NPPES Registry Identity

NPI1134440670

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. WILLIAM JOSEPH REYNDERSCredential: M.D.

Location Address2253 W MASON STGreen Bay, WI 54303-4706

Mailing Address1035 Kepler DrGreen Bay, WI 54311-8320 · (920) 490-9046 · Fax (920) 405-8005

Phone(920) 327-7000

Fax(920) 327-7005

Sole ProprietorYes

Medical School CMSMedical College Of WisconsinGraduated 2010

Enumeration DateJune 18, 2010

Last NPPES UpdateMay 19, 20266 updates tracked since enumeration

NPPES CertifiedMay 19, 2026

✔ NPI 1134440670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in WI · 56158-20

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

2253 W MASON ST, Green Bay, WI 54303

Open in Google Maps ↗

Secondary Practice Location 1

Location 14494 North Palmer RoadBethesda, MD 20889-0140 · Phone (301) 295-1339

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Joseph Reynders M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840525093

PECOS Enrollment IDI20190711000248

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

530 services261 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

198 services118 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

161 services144 patients

Removal of cataract with insertion of prosthetic lens 66984

110 services65 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

80 services75 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

64 services64 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

63 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

60 services60 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

56 services43 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

49 services33 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

47 services31 patients

Complex removal of cataract with insertion of prosthetic lens 66982

46 services31 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

27 services24 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

19 services18 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bay Area Medical Center

Acute Care Hospitals · Marinette, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520113

Location3003 University DrMarinette, WI 54143 · Marinette County

Emergency services Birthing friendly

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipProprietary

CMS Certification Number520193

Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54303 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.61/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.17

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICOLE L LOWE APNP

Nurse Practitioner

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

BRAD J LAVALLIE OD

Optometrist

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7000

HEIDI KATHRYN BERGMAN PT, DPT

Physical Therapist

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 288-4712

JULIE A MAGNIN M.D.

Family Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

CLINTON B OLSON MD

Family Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

NICHOLAS JAMES HEEZEN D.O.

Internal Medicine

2253 W MASON ST, SUITE 200
GREEN BAY, WI 54303

Brown County (920) 327-7300

DR. MARK R KROLL D.O.

Emergency Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7000

SHANNA M SEBERO APNP

Nurse Practitioner

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Reynders's NPI number?

The NPI number for William Reynders is 1134440670. It was assigned to this individual provider in the NPPES registry on June 18, 2010.

Where is William Reynders located?

William Reynders practices at 2253 W Mason St, Green Bay, WI 54303. The listed phone number is (920) 327-7000.

What is William Reynders's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is William Reynders enrolled in Medicare?

Yes. William Reynders is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Reynders accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list William Reynders as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Reynders affiliated with any hospitals?

According to CMS data, William Reynders is affiliated with Bay Area Medical Center and Aurora Baycare Medical Ctr.

When was this NPI record last updated?

The NPPES record for William Reynders was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.