GG
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gagnon, Radiation Oncologist in Frederick, MD?
Dr. Gregory Gagnon is a Radiation Oncologist, who primarily practices in Frederick, MD with 2 additional practice locations. He has been practicing for over 33 years and is board certified by the American Board of Radiology. Dr. Gagnon completed his residency at Georgetown University Hospital. Dr. Gagnon is fluent in English and French, and is currently seeing new patients. Dr. Gagnon’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gagnon’s office at (240) 566-4500.
What are Areas of Expertise for Dr. Gagnon?
Dr. Gregory Gagnon is a highly-rated, board-certified Radiation Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Gagnon empowers patients to confidently navigate their health journey, specializing in Brachytherapy, Prostate Cancer, Stereotactic Radiosurgery, or comprehensive wellness support. Serving the Frederick/MD community, Dr. Gagnon is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Gagnon go to medical school and complete their residency?
Residency: Georgetown University Hospital
Is Dr. Gagnon board certified in Radiation Oncologist?
Yes, Dr. Gregory Gagnon is board certified by the American Board of Radiology
What languages does Dr. Gagnon speak?
Dr. Gagnon and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. Gagnon treat?
As a Radiation Oncologist, Dr. Gagnon 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. Gagnon. 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.
Also known as:
- Cancer Radiation Therapy
- Radiation Therapy
- Radiation Therapy to Treat Cancer
- Radiation treatment for cancer
- Oncology radiation
- Radiotherapy
ICD-10 Codes:
- Z510: Encounter for antineoplastic radiation therapy
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Breast Cancer
- Upper-Outer Quadrant Right Female Breast Cancer
- Early Breast Cancer of the Left Breast
- Early Breast Cancer of the Right Breast
- Upper-Inner Quadrant Right Female Breast Cancer
- Central Left Female Breast Cancer
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
- Right female breast cancer upper-outer
- Upper-outer right female breast tumor
- Malignant growth in upper-outer right female breast
- Intraductal carcinoma in situ left breast
- Precancerous cells left breast
- Non-invasive breast cancer left breast
- DCIS left breast
- Intraductal carcinoma in situ right breast
- Precancerous cells right breast
- Non-invasive breast cancer right breast
- DCIS right breast
- Right female breast cancer upper-inner
- Upper-inner right female breast tumor
- Malignant growth in upper-inner right female breast
- Left female breast central tumor
- Malignant growth in central left female breast
ICD-10 Codes:
- C50412: Malignant neoplasm of upper-outer quadrant of left female breast
- C50411: Malignant neoplasm of upper-outer quadrant of right female breast
- D0512: Intraductal carcinoma in situ of left breast
- D0511: Intraductal carcinoma in situ of right breast
- C50211: Malignant neoplasm of upper-inner quadrant of right female breast
- C50112: Malignant neoplasm of central portion of left female breast
Also known as:
- Secondary Bone Cancer
- Secondary Brain Cancer
- Bone Cancer
- Brain Tumor
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
- Metastatic brain cancer
- Brain metastases
- Cancer spread to brain
ICD-10 Codes:
- C7951: Secondary malignant neoplasm of bone
- C7931: Secondary malignant neoplasm of brain
Also known as:
- Lung Cancer
- Right upper lobe lung cancer
- Bronchial cancer
- Malignant neoplasm of lung
- Left Lung Cancer
- Upper Lobe Lung Cancer
- Bronchial Cancer
- Pulmonary cancer
ICD-10 Codes:
- C3411: Malignant neoplasm of upper lobe, right bronchus or lung
- C3412: Malignant neoplasm of upper lobe, left bronchus or lung
- C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung
Also known as:
- Other Specific Healthcare Encounters
- Special Medical Visits
- Unusual Doctor Appointments
- Healthcare for Unique Situations
ICD-10 Codes:
- Z7689: Persons encountering health services in other specified circumstances
Also known as:
- Oral Cancer
- Mouth Cancer
- Tongue Cancer
- Oral Cavity Cancer
- Tongue Carcinoma
ICD-10 Codes:
- C01: Malignant neoplasm of base of tongue
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
Also known as:
- Endometrial Cancer
- Uterine Cancer
- Endometrial Cancer Treatment (PDQ®)
- Malignant Endometrial Tumor
- Endometrial Carcinoma
- Cancer of the Endometrium
ICD-10 Codes:
- C541: Malignant neoplasm of endometrium
Also known as:
- Rising PSA After Prostate Cancer Treatment
- Prostate-Specific Antigen (PSA) Test
- Increasing PSA Post-Treatment
- Recurrent PSA Elevation
- Prostate Cancer Recurrence Marker
ICD-10 Codes:
- R9721: Rising PSA following treatment for malignant neoplasm of prostate
Also known as:
- Salivary Gland Cancer
- Parotid Gland Cancer
- Salivary Gland Tumor
- Salivary Gland Carcinoma
ICD-10 Codes:
- C07: Malignant neoplasm of parotid gland
Also known as:
- Bladder Cancer
- Urinary Bladder Cancer
- Bladder Carcinoma
ICD-10 Codes:
- C672: Malignant neoplasm of lateral wall of bladder
Which procedures does Dr. Gagnon perform as a Radiation Oncologist?
As a Radiation Oncologist, procedures performed by a Dr. Gregory Gagnon may include:
- Abdominal Aortic Aneurysm (AAA) Screening
- Abdominal Imaging
- Abdominal Radiology Consultation
- Angiography
- Arthrography
- Barium Swallow
- Bone Biopsy
- Bone Density Measurement / DXA Scan
For detailed information, please contact Dr. Gagnon's office.
Does Dr. Gagnon accept my insurance?
Dr. Gagnon accepts most major insurance plans. Important: Please call our office at (240) 566-4500 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gagnon accept in Frederick, MD?
Dr. Gagnon in Frederick, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Carefirst BlueCross BlueShield
CVS Health (formerly Aetna)
Department of Veterans Affairs
Express Scripts
Humana
Johns Hopkins
Medicare
Riverside Health
UnitedHealthcare
University of Maryland Health Advantage
View All Insurances
Where is Dr. Gagnon's office located?
Dr. Gregory Gagnon's Primary Practice
1564 Opossumtown Pike
Frederick, MD 21702
(240) 566-4500
What is Dr. Gagnon's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gagnon's National Provider Identifier (NPI) number is 1407854268.
What common questions do patients ask about Dr. Gagnon?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gagnon
What is Dr. Gregory Gagnon's specialty?
Dr. Gagnon is a Radiation Oncologist near Frederick, MD. A radiological oncologist specializes in the therapeutic applications of radiant energy and its modifiers. They focus on the study and management of diseases, particularly malignant tumors. Contact Dr. Gagnon to book an appointment today.
Is this Dr. Gregory Gagnon affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gagnon is affiliated with Frederick Health Hospital, Meritus Health which are a Castle Connolly Top Hospitals. 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
Where can I learn more about Radiation Oncologist?
Explore Radiation Oncologist with 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 Gregory Gagnon accepting new patients in Frederick, MD?
Yes, Dr. Gregory Gagnon is accepting new patients at this time.
Does Dr. Gregory Gagnon offer online booking?
Please contact Dr. Gagnon's office at (240) 566-4500 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Gagnon?
Please contact Dr. Gagnon's office at (240) 566-4500 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Gregory Gagnon have?
Dr. Gregory Gagnon is certified by the American Board of Radiology.
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