Doctor Profile

Cardiology · Cardiovascular Disease (Cardiology)

Michael J. Longo

MD · Cardiovascular Disease (Cardiology) · State University Of New York At Buffalo School Of Medicine
1100 9TH AVE
Seattle, WA 98101
✓ Accepts Medicare 💻 Offers Telehealth 🎓 34+ Years Practicing
4.3K
Medicare Patients / yr
31
Procedures Billed
34
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 Michael J. Longo'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. Longo

See which plans Dr. Longo accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Washington, the fastest way to find a Medicare plan that covers Dr. Longo is to compare every Medicare Advantage and Part D plan available near 98101, WA — the Cardiovascular Disease (Cardiology)'s office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 98101, WA →

Or call the office at (206) 223-6600 to confirm acceptance directly.

What Dr. Longo Does

Dr. Longo served 4,337 Medicare patients across 7,005 services in the latest CMS reporting year. That's 150% above the average Cardiovascular Disease (Cardiology) in Washington (1,732 patients across 248 doctors).

ProcedureServicesMedicare Patients
Injection, atropine sulfate, 0.01 mg (J0461)2,32524
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)911868
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)586533
Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)531515
Ultrasound of heart blood flow, valves and chambers, follow-up (93321)470463

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

Virginia Mason Medical Center

Seattle, WA
★★★★★ 5/5 CMS Rating

Olympic Medical Center

Port Angeles, WA
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 1100 9TH AVE, Seattle, WA 98101
Phone: (206) 223-6600

Area Safety Grade

D-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

27 min

Average commute time in this zip · 19% 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

58.4956

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

Get directions on Google Maps →

Other Cardiology Doctors near 98101, WA

If Dr. Longo isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 98101, WA:

DoctorSpecialtyMedicare Patients / yrDistance
Bethany DoranCardiovascular Disease (Cardiology)244<1 mi
Matthew S. SubramaniCardiovascular Disease (Cardiology)3.0K<1 mi
Elizabeth S. GoldCardiovascular Disease (Cardiology)1.9K<1 mi
Bhanu P. GuptaCardiovascular Disease (Cardiology)483<1 mi
Eathar A. RazakCardiovascular Disease (Cardiology)2.1K<1 mi

View all cardiology doctors near 98101, WA →

How to Use This Information

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

Compare Medicare Plans near 98101, WA → All Doctors near 98101, WA

Michael J. Longo: Common Questions

Does Dr. Longo accept Medicare?
Yes. Dr. Longo is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Longo depends on that plan's provider network. Compare Medicare plans near 98101, WA →
Where is Dr. Longo's office?
Dr. Longo practices at 1100 9TH AVE, Seattle, WA 98101. Phone: (206) 223-6600.
What Medicare plans does Dr. Longo accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (206) 223-6600 to confirm your specific plan is accepted, or compare all Medicare plans near 98101, WA to see available options.
Does Dr. Longo offer telehealth visits?
Dr. Longo 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 Dr. Longo?
Dr. Longo graduated in 1992 and has been practicing for approximately 34 years. In the latest CMS reporting year, Dr. Longo treated 4,337 Medicare patients across 31 distinct procedure types.
How do I know if Dr. Longo 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 (206) 223-6600 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 98101, WA:

Does your Medicare plan cover Dr. Longo?

Compare Plans near 98101, WA →