Doctor Profile

Cancer Care · Hematology/Oncology

Karen Quillen

MD · Hematology/Oncology
330 BROOKLINE AVE
Boston, MA 02215
✓ Accepts Medicare 🎓 35+ Years Practicing
792
Medicare Patients / yr
18
Procedures Billed
35
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 Karen Quillen'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. Quillen

See which plans Dr. Quillen 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. Quillen is to compare every Medicare Advantage and Part D plan available near 02215, MA — the Hematology/Oncology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 02215, MA →

Or call the office at (617) 754-8612 to confirm acceptance directly.

What Dr. Quillen Does

Dr. Quillen served 792 Medicare patients across 1,424 services in the latest CMS reporting year. That's 101% above the average Hematology/Oncology in Massachusetts (395 patients across 316 doctors).

ProcedureServicesMedicare Patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)22745
Gammaglobulin (immune system protein) measurement (82784)20450
Insertion of needle into vein for collection of blood sample (36415)191120
Established patient office or other outpatient visit, 30-39 minutes (99214)161130
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)146104

How to read this: "Services" are the total times Dr. Quillen 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. Quillen is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Beth Israel Deaconess Medical Center

Boston, MA
★★★★☆ 4/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 330 BROOKLINE AVE, Boston, MA 02215
Phone: (617) 754-8612

Area Safety Grade

B

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

25 min

Average commute time in this zip · 13% 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

77.1691

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 02215, MA

If Dr. Quillen isn't accepting new patients or isn't in your plan's network, these are the closest cancer care doctors near 02215, MA:

DoctorSpecialtyMedicare Patients / yrDistance
Jennifer N. LeibovitchHematology/Oncology102<1 mi
Brigid M. O'connorRadiation Oncology658<1 mi
Irving D. KaplanRadiation Oncology720<1 mi
Michael LeukamHematology/Oncology240<1 mi
Rushad PatellHematology/Oncology224<1 mi

View all cancer care doctors near 02215, MA →

How to Use This Information

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

Compare Medicare Plans near 02215, MA → All Doctors near 02215, MA

Karen Quillen: Common Questions

Does Dr. Quillen accept Medicare?
Yes. Dr. Quillen is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Quillen depends on that plan's provider network. Compare Medicare plans near 02215, MA →
Where is Dr. Quillen's office?
Dr. Quillen practices at 330 BROOKLINE AVE, Boston, MA 02215. Phone: (617) 754-8612.
What Medicare plans does Dr. Quillen accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (617) 754-8612 to confirm your specific plan is accepted, or compare all Medicare plans near 02215, MA to see available options.
Does Dr. Quillen offer telehealth visits?
CMS does not currently list Dr. Quillen as offering telehealth. Call the office at (617) 754-8612 to confirm whether virtual visits are available.
How experienced is Dr. Quillen?
Dr. Quillen graduated in 1991 and has been practicing for approximately 35 years. In the latest CMS reporting year, Dr. Quillen treated 792 Medicare patients across 18 distinct procedure types.
How do I know if Dr. Quillen 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 (617) 754-8612 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 02215, MA:

Does your Medicare plan cover Dr. Quillen?

Compare Plans near 02215, MA →