Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tretter, Hematology / Oncology Specialist in South Portland, ME?
Dr. Christopher Tretter, MD is a Hematology / Oncology Specialist, who primarily practices in South Portland, ME with 2 additional practice locations. He is board certified. Dr. Tretter graduated from McGill University Faculty of Medicine and completed his residency at McGill University Canada. Dr. Tretter is fluent in English, and is currently seeing new patients. Dr. Tretter’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tretter’s office at (781) 744-8000.
What are Areas of Expertise for Dr. Tretter?
Dr. Christopher Tretter, MD is a highly-rated, board-certified Hematology / Oncology Specialist 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. Tretter empowers patients to confidently navigate their health journey, specializing in Clinical Trials, Prostate Cancer, Urologic Cancer, or comprehensive wellness support. Serving the South Portland/ME community, Dr. Tretter is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Tretter go to medical school and complete their residency?
Residency: McGill University Canada | McGill University
Medical School: McGill University Faculty of Medicine
What languages does Dr. Tretter speak?
Dr. Tretter and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Tretter treat?
As a Hematology / Oncology Specialist, Dr. Tretter 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. Tretter. 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 Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Cancer Chemotherapy
- Cancer Immunotherapy
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
- Oncology immunotherapy
- Immune therapy for cancer
ICD-10 Codes:
- Z5111: Encounter for antineoplastic chemotherapy
- Z5112: Encounter for antineoplastic immunotherapy
Also known as:
- Secondary Bone Cancer
- Secondary Cancer (Other Specified Sites)
- Secondary Brain Cancer
- Bone Cancer
- Cancer
- Brain Tumor
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
- Metastatic cancer
- Cancer spread to other organs
- Cancer metastases
- Metastatic brain cancer
- Brain metastases
- Cancer spread to brain
ICD-10 Codes:
- C7951: Secondary malignant neoplasm of bone
- C7989: Secondary malignant neoplasm of other specified sites
- C7931: Secondary malignant neoplasm of brain
Also known as:
- Therapeutic Drug Monitoring
- Drug level testing
- Medication monitoring
- Therapeutic drug management
ICD-10 Codes:
- Z5181: Encounter for therapeutic drug level monitoring
Also known as:
- Bladder Cancer
- Urinary Bladder Cancer
- Bladder Carcinoma
ICD-10 Codes:
- C679: Malignant neoplasm of bladder, unspecified
- C672: Malignant neoplasm of lateral wall of bladder
Also known as:
- Melanoma
- Melanoma of Scalp or Neck
- Malignant Melanoma
- Skin Cancer (Melanoma)
- Cutaneous Melanoma
- Black Skin Cancer
- Scalp Melanoma
- Neck Melanoma
- Skin Cancer of Scalp
- Skin Cancer of Neck
ICD-10 Codes:
- C439: Malignant melanoma of skin, unspecified
- C434: Malignant melanoma of scalp and neck
Also known as:
- Kidney Cancer
- Bladder Cancer
- Renal Cancer
- Kidney Tumor
- Renal Cell Carcinoma
- Urinary Bladder Cancer
- Bladder Tumor
- Urothelial Carcinoma of Bladder
ICD-10 Codes:
- C641: Malignant neoplasm of right kidney, except renal pelvis
- C678: Malignant neoplasm of overlapping sites of bladder
Also known as:
- Kidney Cancer
- Renal cancer
- Kidney carcinoma
- Renal cell carcinoma
ICD-10 Codes:
- C649: Malignant neoplasm of unspecified kidney, except renal pelvis
- C642: Malignant neoplasm of left kidney, except renal pelvis
Also known as:
- Rising PSA After Prostate Cancer Treatment
- Elevated PSA Level
- Prostate-Specific Antigen (PSA) Test
- Prostate Cancer Screening
- Prostate Disease
- Prostate Problems
- Increasing PSA Post-Treatment
- Recurrent PSA Elevation
- Prostate Cancer Recurrence Marker
- High Prostate Specific Antigen
- Abnormal PSA Test
- Increased PSA
ICD-10 Codes:
- R9721: Rising PSA following treatment for malignant neoplasm of prostate
- R9720: Elevated prostate specific antigen [PSA]
Also known as:
- Squamous Cell Skin Cancer of the Scalp or Neck
- Melanoma
- Skin Cancer
- Skin Cancer Treatment (PDQ®)
- Squamous Cell Carcinoma of Scalp
- Squamous Cell Carcinoma of Neck
- Scalp SCC
- Neck SCC
- Malignant Melanoma
- Skin Melanoma
- Melanoma Skin Cancer
ICD-10 Codes:
- C4442: Squamous cell carcinoma of skin of scalp and neck
- Z85820: Personal history of malignant melanoma of skin
Also known as:
- Cancer Spread to Liver and Bile Duct
- Liver Cancer
- Metastatic Liver Cancer
- Secondary Liver Tumor
- Liver Metastasis
ICD-10 Codes:
- C787: Secondary malignant neoplasm of liver and intrahepatic bile duct
Which procedures does Dr. Tretter perform as a Hematology / Oncology Specialist?
As a Hematology / Oncology Specialist, procedures performed by a Dr. Christopher Tretter 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
For detailed information, please contact Dr. Tretter's office.
Does Dr. Tretter accept my insurance?
Dr. Tretter accepts most major insurance plans. Important: Please call our office at (781) 744-8000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tretter accept in South Portland, ME?
Dr. Tretter in South Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal Employee Program
Martin's Point
Medicaid
Medicare
Point32Health
UnitedHealthcare
USAA
View All Insurances
Where is Dr. Tretter's office located?
Dr. Christopher Tretter's Primary Practice
265 Western Ave Ste 2
South Portland, ME 04106
(781) 744-8000
What is Dr. Tretter's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tretter's National Provider Identifier (NPI) number is 1083648133.
What common questions do patients ask about Dr. Tretter?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tretter
What is Dr. Christopher Tretter's specialty?
Dr. Tretter is a Hematology / Oncology Specialist near South Portland, ME. An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available. Contact Dr. Tretter to book an appointment today.
Is this Dr. Christopher Tretter affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tretter is affiliated with MaineHealth Maine Medical Center Portland 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
Where can I learn more about Hematology / Oncology Specialist?
Explore Hematology / Oncology Specialist 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 Christopher Tretter accepting new patients in South Portland, ME?
Yes, Dr. Christopher Tretter is accepting new patients at this time.
Does Dr. Christopher Tretter offer online booking?
Please contact Dr. Tretter's office at (781) 744-8000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Christopher Tretter?
Please contact Dr. Tretter's office at (781) 744-8000 for information regarding telehealth appointment availability or for scheduling assistance.
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