Doctor Profile

Endocrinology · Endocrinology

Andrea Kassai

MD · Endocrinology
55 LAKE AVE N
Worcester, MA 01655
✓ Accepts Medicare 💻 Offers Telehealth 🎓 22 Years Practicing
477
Medicare Patients / yr
6
Procedures Billed
22
Years Practicing
4
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 Andrea Kassai'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. Kassai

See which plans Dr. Kassai accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Massachusetts, the fastest way to find a Medicare plan that covers Dr. Kassai is to compare every Medicare Advantage and Part D plan available near 01655, MA — the Endocrinology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 01655, MA →

Or call the office at (508) 334-1000 to confirm acceptance directly.

What Dr. Kassai Does

Dr. Kassai served 477 Medicare patients across 534 services in the latest CMS reporting year. That's 18% below the average Endocrinology in Massachusetts (579 patients across 286 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)279240
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)8370
Established patient office or other outpatient visit, 40-54 minutes (99215)7975
New patient office or other outpatient visit, 45-59 minutes (99204)5555
Established patient office or other outpatient visit, 20-29 minutes (99213)2625

How to read this: "Services" are the total times Dr. Kassai 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. Kassai is affiliated with 4 hospitals according to CMS Physician Compare. Below are the 4 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Umass Memorial Medical Center/University Campus

Worcester, MA
★★★☆☆ 3/5 CMS Rating

Umass Memorial Health - Harrington Hospital

Southbridge, MA
★★☆☆☆ 2/5 CMS Rating

Umass Memorial Healthalliance Hospitals

Leominster, MA
★★☆☆☆ 2/5 CMS Rating

Umass Memorial Healthcare-Marlborough Hospital

Marlborough, MA
★★☆☆☆ 2/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 55 LAKE AVE N, Worcester, MA 01655
Phone: (508) 334-1000

Area Safety Grade

B+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

29 min

Average commute time in this zip · 81% 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

44.0732

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

Get directions on Google Maps →

Other Endocrinology Doctors near 01655, MA

If Dr. Kassai isn't accepting new patients or isn't in your plan's network, these are the closest endocrinology doctors near 01655, MA:

DoctorSpecialtyMedicare Patients / yrDistance
Ma Dolores Del CastilloEndocrinology676<1 mi
Sanjita B. SunnamEndocrinology2431.1 mi
Nitin TrivediEndocrinology6211.1 mi
Lihong HuoEndocrinology5111.1 mi
Catherine E. WaudEndocrinology4721.6 mi
Mira TorresEndocrinology4432.2 mi

View all endocrinology doctors near 01655, MA →

How to Use This Information

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

Compare Medicare Plans near 01655, MA → All Doctors near 01655, MA

Andrea Kassai: Common Questions

Does Dr. Kassai accept Medicare?
Yes. Dr. Kassai is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Kassai depends on that plan's provider network. Compare Medicare plans near 01655, MA →
Where is Dr. Kassai's office?
Dr. Kassai practices at 55 LAKE AVE N, Worcester, MA 01655. Phone: (508) 334-1000.
What Medicare plans does Dr. Kassai accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (508) 334-1000 to confirm your specific plan is accepted, or compare all Medicare plans near 01655, MA to see available options.
Does Dr. Kassai offer telehealth visits?
Dr. Kassai 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. Kassai?
Dr. Kassai graduated in 2004 and has been practicing for approximately 22 years. In the latest CMS reporting year, Dr. Kassai treated 477 Medicare patients across 6 distinct procedure types.
How do I know if Dr. Kassai 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 (508) 334-1000 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 Endocrinology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 01655, MA:

Does your Medicare plan cover Dr. Kassai?

Compare Plans near 01655, MA →