Expertise in
40
conditions

Dr. Henry G. Kaplan

Oncology
Office
1221 Madison St Ste 500, 
Seattle, WA 
Accepting New Patients
Offers Telehealth
Expertise in
40
conditions
Office
1221 Madison St Ste 500, 
Seattle, WA 

Overview

Henry Kaplan is an Oncologist practicing medicine in Seattle, Washington.

Dr. Kaplan is highly rated in 40 conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Gastrostomy, and Bone Marrow Aspiration.

He is actively involved in clinical research, co-authoring 56 peer reviewed articles and participating in 3 clinical trials. Dr. Kaplan is currently accepting new patients.

Specialties

Oncology

Licenses

Internal Medicine in WA

Languages Spoken

English
German
Portuguese
Spanish
Tamil

Gender

Male

Insurance

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

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Accepted insurance plans:

PacificSource
  • PPO
Premera
  • EPO
  • PPO
Prominence Health
  • EPO
  • PPO

Locations

Office
1221 Madison St Ste 500, Seattle, WA 98104

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

3 Clinical Trials

A Phase 3 Randomized, Placebo-Controlled Trial of Carboplatin and Paclitaxel With or Without the PARP Inhibitor Veliparib (ABT-888) in HER2-Negative Metastatic or Locally Advanced Unresectable BRCA-Associated Breast Cancer
A Phase 3 Randomized, Placebo-Controlled Trial of Carboplatin and Paclitaxel With or Without the PARP Inhibitor Veliparib (ABT-888) in HER2-Negative Metastatic or Locally Advanced Unresectable BRCA-Associated Breast Cancer
Enrollment Status: Completed
Publish Date: February 19, 2025
Intervention Type: Drug
Study Drugs: Paclitaxel, Veliparib, Carboplatin
Study Phase: Phase 3
Phase 2 Randomized, Double-Blinded, Controlled Study of Tucatinib vs Placebo in Combination With Capecitabine and Trastuzumab in Patients With Pretreated Unresectable Locally Advanced or Metastatic HER2+ Breast Carcinoma
Phase 2 Randomized, Double-Blinded, Controlled Study of Tucatinib vs Placebo in Combination With Capecitabine and Trastuzumab in Patients With Pretreated Unresectable Locally Advanced or Metastatic HER2+ Breast Carcinoma
Enrollment Status: Completed
Publish Date: August 14, 2023
Intervention Type: Drug
Study Drugs: tucatinib, capecitabine, trastuzumab
Study Phase: Phase 2
Combination Immunotherapy With Herceptin and the HER2 Vaccine E75 in Low and Intermediate HER2-expressing Breast Cancer Patients to Prevent Recurrence
Combination Immunotherapy With Herceptin and the HER2 Vaccine E75 in Low and Intermediate HER2-expressing Breast Cancer Patients to Prevent Recurrence
Enrollment Status: Completed
Publish Date: December 02, 2020
Intervention Type: Drug
Study Phase: Phase 2
View 2 Less Clinical Trials

56 Total Publications

Cancer-related microangiopathic hemolytic anemia (CR-MAHA) in a metastatic breast cancer patient with a germ-line ATM single nucleotide variant and an ESR1 fusion variant: insights from a case report on early diagnosis and improved outcomes.
Cancer-related microangiopathic hemolytic anemia (CR-MAHA) in a metastatic breast cancer patient with a germ-line ATM single nucleotide variant and an ESR1 fusion variant: insights from a case report on early diagnosis and improved outcomes.
Journal: Frontiers in oncology
Published: November 26, 2025
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Frequently Asked Questions about Dr. Henry G. Kaplan

How do I make an appointment with Dr. Henry G. Kaplan?

You can book an appointment with Dr. Henry G. Kaplan by calling their office at 206-386-2828. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Henry G. Kaplan a top-rated expert for Breast Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Henry G. Kaplan is classified as an Elite expert for Breast Cancer, 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. Henry G. Kaplan specialize in?

While Dr. Henry G. Kaplan is a Oncology, they have specific expertise in Breast Cancer, Paget Disease of the Breast, and Angiosarcoma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Henry G. Kaplan participate in research or clinical trials?

Yes. Dr. Henry G. Kaplan has published 56 articles and abstracts on conditions like Breast Cancer. You can view a list of Dr. Henry G. Kaplan's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Henry G. Kaplan accept my insurance?

Dr. Henry G. Kaplan accepts most major insurance plans, including PacificSource and Premera. We recommend calling the office directly at 206-386-2828 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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