Doctor Profile

Cancer Care · Radiation Oncology

Matthew Greer

MD · Radiation Oncology · Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
1200 N BEAVER ST
Flagstaff, AZ 86001
✓ Accepts Medicare
362
Medicare Patients / yr
14
Procedures Billed
9
Years Practicing
2
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 Matthew Greer'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 Dr. Greer

See which plans Dr. Greer accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Arizona, the fastest way to find a Medicare plan that covers Dr. Greer is to compare every Medicare Advantage and Part D plan available near 86001, AZ — the Radiation Oncology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 86001, AZ →

Or call the office at (928) 214-2920 to confirm acceptance directly.

What Dr. Greer Does

Dr. Greer served 362 Medicare patients across 806 services in the latest CMS reporting year. That's 63% below the average Radiation Oncology in Arizona (985 patients across 118 doctors).

ProcedureServicesMedicare Patients
Ct guidance for insertion of radiation therapy fields (77014)33879
Calculation of radiation therapy dose (77300)11828
Radiation treatment management, 5 treatment sessions (77427)8036
Design and construction of complex radiation treatment device (77334)4316
Complex radiation therapy planning (77263)3228

How to read this: "Services" are the total times Dr. 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

Dr. Greer is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Flagstaff Medical Center

Flagstaff, AZ
★★★★☆ 4/5 CMS Rating

Verde Valley Medical Center

Cottonwood, AZ
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 1200 N BEAVER ST, Flagstaff, AZ 86001
Phone: (928) 214-2920

Area Safety Grade

D

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

20 min

Average commute time in this zip · 73% 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

5.0763

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

Get directions on Google Maps →

Other Cancer Care Doctors near 86001, AZ

If Dr. Greer isn't accepting new patients or isn't in your plan's network, these are the closest cancer care doctors near 86001, AZ:

DoctorSpecialtyMedicare Patients / yrDistance
Sarah J. ConlonHematology/Oncology1.7K1.1 mi
Deborah L. LindquistHematology/Oncology2311.2 mi
Stephanie RiceRadiation Oncology1.1K1.2 mi
Peter MathernMedical Oncology3.0K1.2 mi
Hamdy MohtasebHematology/Oncology1.9K133.8 mi

View all cancer care doctors near 86001, AZ →

How to Use This Information

Choosing a Medicare plan that covers Dr. Greer takes three steps:

Compare Medicare Plans near 86001, AZ → All Doctors near 86001, AZ

Matthew Greer: Common Questions

Does Dr. Greer accept Medicare?
Yes. Dr. Greer is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Greer depends on that plan's provider network. Compare Medicare plans near 86001, AZ →
Where is Dr. Greer's office?
Dr. Greer practices at 1200 N BEAVER ST, Flagstaff, AZ 86001. Phone: (928) 214-2920.
What Medicare plans does Dr. Greer accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (928) 214-2920 to confirm your specific plan is accepted, or compare all Medicare plans near 86001, AZ to see available options.
Does Dr. Greer offer telehealth visits?
CMS does not currently list Dr. Greer as offering telehealth. Call the office at (928) 214-2920 to confirm whether virtual visits are available.
How experienced is Dr. Greer?
Dr. Greer graduated in 2017 and has been practicing for approximately 9 years. In the latest CMS reporting year, Dr. Greer treated 362 Medicare patients across 14 distinct procedure types.
How do I know if Dr. 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 (928) 214-2920 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 Cancer Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 86001, AZ:

Does your Medicare plan cover Dr. Greer?

Compare Plans near 86001, AZ →