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. 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 as a 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:
- Lung Cancer
- Bronchial cancer
- Malignant neoplasm of lung
- Pulmonary cancer
- Right upper lobe lung cancer
ICD-10 Codes:
- C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung
- C3411: Malignant neoplasm of upper lobe, right bronchus or lung
Also known as:
- Secondary Brain Cancer
- Brain Tumor
- Metastatic brain cancer
- Brain metastases
- Cancer spread to brain
ICD-10 Codes:
- C7931: Secondary malignant neoplasm of brain
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:
- 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
What procedures does Dr. Gagnon perform?
As a Radiation Oncologist, Dr. Gagnon performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:
- Prostate Radiation Guidance Marker Placement
- Prostate fiducial marker insertion
- Radiation therapy guidance markers
- Prostate dosimeter placement
- Needle placement for prostate radiation
CPT Codes:
- 55876: Placement of interstitial device(s) for radiation therapy guidance (eg, fiducial markers, dosimeter), prostate (via needle, any approach), single or multiple
Also known as:
- Prostate Seed Implants (Brachytherapy)
- Prostate Brachytherapy
- Interstitial Radioelement Application
- Prostate Radiation Seed Placement
CPT Codes:
- 55875: Transperineal placement of needles or catheters into prostate for interstitial radioelement application, with or without cystoscopy
Also known as:
- Swallowing Therapy
- Dysphagia Treatment
- Feeding Therapy
- Oral Function Therapy
CPT Codes:
- 92526: Treatment of swallowing dysfunction and/or oral function for feeding
Also known as:
- Swallowing Function Test
- Dysphagia Tests
- Dysphagia Evaluation
- Oral Swallowing Assessment
- Pharyngeal Swallowing Test
- Swallowing Study
CPT Codes:
- 92610: Evaluation of oral and pharyngeal swallowing function
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
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Gagnon's office located?
Dr. Gregory Gagnon's Primary Practice
1562 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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