Princess Mark
5255 Loughboro Road Northwest, Building B, Building B, 
Washington, DC 

Overview

Dr. Princess Mark-Adjeli is a medical oncologist with focus on breast and gynecologic cancers. She is passionate about treating women’s malignancies and providing to patient-centered care, finding the best individual plan for each patient through targeted therapies, immunotherapy and chemotherapy. She also recognizes gaps in cancer care and is dedicated to their eradication. In addition to her clinical expertise, Dr. Mark-Adjeli has a great experience in designing innovative clinical trials and helping to bring new treatment options to her patients. Dr. Mark-Adjeli earned her Bachelor of Science in Biology from Rhode Island College and received her medical degree from American University of Antigua College of Medicine. She underwent residency training in internal medicine residency at Long Island Community Hospital affiliated with NYU Langone in Patchogue, NY, where she also served as Chief Medical Resident. She then completed her combined hematology- oncology fellowship at the National Cancer Institute/National Institutes of Health in Bethesda, Maryland, where she received the Outstanding Academic Achievement Award. During her fellowship, she gained experience managing complex cases through multi-disciplinary care, a practice which she continues at the Johns Hopkins Kimmel Cancer Center.

Her clinical expertise encompasses Angiosarcoma and Breast Cancer.

Dr. Mark is board certified in American Board Of Internal Medicine. She is actively involved in clinical research, co-authoring 2 peer reviewed articles.

Graduate Year

2016

Residency

Long Island Community Hospital, Internal Medicine, 2020

Specialties

Oncology

Licenses

Internal Medicine in DC

Board Certifications

American Board Of Internal Medicine

Fellowships

National Institutes of Health Clinical Center, Hematology and Medical Oncology, 2023
Oklahoma State University, Medical Oncology & Hematology, 2021

Hospital Affiliations

Sibley Memorial Hospital

Languages Spoken

English
Akan

Gender

Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

Sibley Memorial Hospital
5255 Loughboro Road Northwest, Building B, Building B, Washington, DC 20016

Frequently Asked Questions about Dr. Princess Mark

How do I make an appointment with Dr. Princess Mark?

You can book an appointment with Dr. Princess Mark by calling their office at 202-660-6500. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Princess Mark a top-rated expert for Angiosarcoma?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Princess Mark is classified as an Experienced expert for Angiosarcoma, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Princess Mark specialize in?

While Dr. Princess Mark is a Oncology, they have specific expertise in Angiosarcoma, Breast Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Princess Mark accept my insurance?

Dr. Princess Mark accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 202-660-6500 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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