
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gearn, Medical Oncologist in Tualatin, OR?
Dr. Mary Gearn, MD is a Medical Oncologist, who primarily practices in Tualatin, OR with 2 additional practice locations. She is board certified. Dr. Gearn graduated from University of Washington School of Medicine and completed her residency at Univ Of Wa Sch Of Med, Hematology-Internal Medicine; Univ Of Wa Sch Of Med, Internal Medicine; Univ Of Pa Hlth System, Internal Medicine. Dr. Gearn is fluent in English, and is currently seeing new patients. Dr. Gearn’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gearn’s office at (503) 215-2273.
Where did Dr. Gearn go to medical school and complete their residency?
Residency: Univ Of Wa Sch Of Med, Hematology-Internal Medicine; Univ Of Wa Sch Of Med, Internal Medicine; Univ Of Pa Hlth System, Internal Medicine | University of Washington School of Medicine Program
Medical School: University of Wa Sch of Med, Seattle Wa | University of Washington School of Medicine
Is Dr. Gearn board certified as a Medical Oncologist?
Yes, Dr. Mary Gearn, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Gearn speak?
Dr. Gearn and their clinical team can communicate with patients in the following languages:
English
What conditions does a Medical Oncologist like Dr. Gearn typically treat?
As a Medical Oncologist, Dr. Gearn diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Gearn. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Acute Respiratory Failure with Low Oxygen
- Acute and Chronic Respiratory Failure with Low Oxygen
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
- Sudden and Long-Term Lung Failure with Low Oxygen
- Acute and Chronic Hypoxic Respiratory Failure
- Ongoing Breathing Failure with Low Oxygen
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
- J9621: Acute and chronic respiratory failure with hypoxia
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- COPD Flare-Up
- COPD
- COPD Exacerbation
- Chronic Obstructive Pulmonary Disease Flare-Up
- Worsening COPD
- COPD Attack
ICD-10 Codes:
- J441: Chronic obstructive pulmonary disease with (acute) exacerbation
What procedures does a Medical Oncologist like Dr. Gearn typically perform?
As a Medical Oncologist, procedures performed by Dr. Mary Gearn may include:
- 3D Conformal Radiotherapy
- Adaptive Radiation Therapy (ART)
- Adrenalectomy
- Blood Thinning Therapy / Anticoagulation
- Blood Transfusion Consultation
- Blood Transfusion Follow Up
- Bone Excision
- Bone Grafting
Please contact Dr. Gearn's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Gearn accept my insurance?
Dr. Gearn accepts most major insurance plans. Important: Please call our office at (503) 215-2273 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gearn accept in Tualatin, OR?
Dr. Gearn in Tualatin, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cambia Health Solutions
Kaiser Permanente
Medicare
State of Oregon
View All Insurances
Where is Dr. Gearn's office located?
What is Dr. Gearn's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gearn's National Provider Identifier (NPI) number is 1972532836.
What common questions do patients ask about Dr. Gearn?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gearn
What is Dr. Mary Gearn's specialty?
Dr. Gearn is a Medical Oncologist near Tualatin, OR.
What does a Medical Oncologist do?
An internist specializing in the diagnosis and treatment of various cancers and both benign and malignant tumors. This specialist determines and administers therapy for malignancies and collaborates with surgeons and radiation oncologists on additional cancer treatment options.
Is this Dr. Mary Gearn affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gearn is affiliated with Legacy Mount Hood Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Medical Oncologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Medical Oncologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mary Gearn accepting new patients in Tualatin, OR?
Yes, Dr. Mary Gearn is accepting new patients at this time.
Does Dr. Mary Gearn offer online booking?
Please contact Dr. Gearn's office at (503) 215-2273 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mary Gearn?
Please contact Dr. Gearn's office at (503) 215-2273 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mary Gearn have?
Dr. Mary Gearn is certified by the American Board of Internal Medicine.
Other Medical Oncologist Near Tualatin, OR

Medical Oncologist
Dr. David Cosgrove, MD is a Medical Oncologist, who primarily practices in Vancouver, WA with 2 additional practice locations. He is board certified.
Vancouver, WA
MA
Medical Oncologist
Dr. Molly Andreason, MD is a Medical Oncologist, who primarily practices in Portland, OR with 2 additional practice locations.
Portland, OR
JY
Medical Oncologist
Dr. James Yoo, MD is a Medical Oncologist, who primarily practices in Portland, OR with 2 additional practice locations.
Portland, OR