Doctor Profile

Cardiology · Interventional Cardiology

William A. Dietz

MD · Interventional Cardiology
15 HOSPITAL DR
York, ME 03909
✓ Accepts Medicare 🎓 41+ Years Practicing
1.8K
Medicare Patients / yr
27
Procedures Billed
41
Years Practicing
3
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 A. Dietz'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. Dietz

See which plans Dr. Dietz accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Maine, the fastest way to find a Medicare plan that covers Dr. Dietz is to compare every Medicare Advantage and Part D plan available near 03909, ME — the Interventional Cardiology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 03909, ME →

Or call the office at (207) 363-4321 to confirm acceptance directly.

What Dr. Dietz Does

Dr. Dietz served 1,773 Medicare patients across 2,109 services in the latest CMS reporting year. That's 77% above the average Interventional Cardiology in Maine (1,003 patients across 17 doctors).

ProcedureServicesMedicare Patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)773573
Established patient office or other outpatient visit, 30-39 minutes (99214)241186
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)191168
Programming of dual lead pacemaker system (93280)129119
Ultrasound of both sides of head and neck blood flow (93880)103103

How to read this: "Services" are the total times Dr. Dietz 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. Dietz is affiliated with 3 hospitals according to CMS Physician Compare. Below are the 3 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Wentworth-Douglass Hospital

Dover, NH
★★★★☆ 4/5 CMS Rating

Portsmouth Regional Hospital

Portsmouth, NH
★★★☆☆ 3/5 CMS Rating

York Hospital

York, ME
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 15 HOSPITAL DR, York, ME 03909
Phone: (207) 363-4321

Area Safety Grade

B

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

25 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

95.9072

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

Get directions on Google Maps →

Other Cardiology Doctors near 03909, ME

If Dr. Dietz isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 03909, ME:

DoctorSpecialtyMedicare Patients / yrDistance
Jeffrey P. ColnesCardiovascular Disease (Cardiology)2.6K1.1 mi
David G. CunninghamCardiac Electrophysiology3.0K1.1 mi
Erin J. RaffertyCardiovascular Disease (Cardiology)5081.1 mi
Peter J. DourdoufisCardiovascular Disease (Cardiology)4.1K9.2 mi
Sarthak KhareCardiovascular Disease (Cardiology)9.3 mi

View all cardiology doctors near 03909, ME →

How to Use This Information

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

Compare Medicare Plans near 03909, ME → All Doctors near 03909, ME

William A. Dietz: Common Questions

Does Dr. Dietz accept Medicare?
Yes. Dr. Dietz is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Dietz depends on that plan's provider network. Compare Medicare plans near 03909, ME →
Where is Dr. Dietz's office?
Dr. Dietz practices at 15 HOSPITAL DR, York, ME 03909. Phone: (207) 363-4321.
What Medicare plans does Dr. Dietz accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (207) 363-4321 to confirm your specific plan is accepted, or compare all Medicare plans near 03909, ME to see available options.
Does Dr. Dietz offer telehealth visits?
CMS does not currently list Dr. Dietz as offering telehealth. Call the office at (207) 363-4321 to confirm whether virtual visits are available.
How experienced is Dr. Dietz?
Dr. Dietz graduated in 1985 and has been practicing for approximately 41 years. In the latest CMS reporting year, Dr. Dietz treated 1,773 Medicare patients across 27 distinct procedure types.
How do I know if Dr. Dietz 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 (207) 363-4321 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 Cardiology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 03909, ME:

Does your Medicare plan cover Dr. Dietz?

Compare Plans near 03909, ME →