Doctor Profile

Primary Care · Physician Assistant

William E. Greer, Iv

Physician Assistant · Southern Illinois University School Of Medicine
775 ENGINEERING AVE
Springfield, IL 62703
✓ Accepts Medicare 💻 Offers Telehealth 🎓 18 Years Practicing
Medicare Patients / yr
Procedures Billed
18
Years Practicing
1
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or William E. Greer, Iv's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover William Greer

See which plans William Greer accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Illinois, the fastest way to find a Medicare plan that covers William Greer is to compare every Medicare Advantage and Part D plan available near 62703, IL — the Physician Assistant's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 62703, IL →

Or call the office at (217) 522-4300 to confirm acceptance directly.

What William Greer Does

William GreerCMS has not published utilization data for William Greer in the latest reporting year. This can happen for newer physicians, low-volume providers, or practitioners who bill primarily through a group PAC ID. Hospital affiliations and plan coverage below are still accurate.

How to read this: "Services" are the total times William Greer billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

William Greer is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Memorial Medical Center

Springfield, IL
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

William Greer practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when William Greer offers telehealth — broadband availability at your home matters for virtual visits.

Address: 775 ENGINEERING AVE, Springfield, IL 62703
Phone: (217) 522-4300

Area Safety Grade

C-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

22 min

Average commute time in this zip · 78% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

61.9006

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Primary Care Doctors near 62703, IL

If William Greer isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 62703, IL:

DoctorSpecialtyMedicare Patients / yrDistance
Leah A. BestudikNurse Practitioner32<1 mi
Ashley L. BodineNurse Practitioner<1 mi
Lucas CheskoNurse Practitioner<1 mi
John K. LeeFamily Practice119<1 mi
Lydia Simeona Q. VillafuerteFamily Practice255<1 mi
Gabrielle R. DimarzioNurse Practitioner<1 mi

View all primary care doctors near 62703, IL →

How to Use This Information

Choosing a Medicare plan that covers William Greer takes three steps:

Compare Medicare Plans near 62703, IL → All Doctors near 62703, IL

William E. Greer, Iv: Common Questions

Does William Greer accept Medicare?
Yes. William Greer is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers William Greer depends on that plan's provider network. Compare Medicare plans near 62703, IL →
Where is William Greer's office?
William Greer practices at 775 ENGINEERING AVE, Springfield, IL 62703. Phone: (217) 522-4300.
What Medicare plans does William Greer accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (217) 522-4300 to confirm your specific plan is accepted, or compare all Medicare plans near 62703, IL to see available options.
Does William Greer offer telehealth visits?
William Greer is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is William Greer?
William Greer graduated in 2008 and has been practicing for approximately 18 years.
How do I know if William Greer is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (217) 522-4300 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Primary Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 62703, IL:

Does your Medicare plan cover William Greer?

Compare Plans near 62703, IL →