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Dr. Philip Marjon, MD

Hematology / Oncology Specialist

San Marcos, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marjon, Hematology / Oncology Specialist in San Marcos, CA?

    Dr. Philip Marjon, MD is a Hematology / Oncology Specialist, who primarily practices in San Marcos, CA with 2 additional practice locations. He is board certified. Dr. Marjon is fluent in English and Portuguese, and is currently seeing new patients. Dr. Marjon’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marjon’s office at (619) 872-0953.

    Is Dr. Marjon board certified as a Hematology / Oncology Specialist?

    Yes, Dr. Philip Marjon, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Marjon speak?

    Dr. Marjon and their clinical team can communicate with patients in the following languages:

    • English
    • Portuguese

    What conditions does a Hematology / Oncology Specialist like Dr. Marjon typically treat?

    As a Hematology / Oncology Specialist, Dr. Marjon 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. Marjon. 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:

    • 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:

    • Multiple Myeloma
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
    • Active multiple myeloma
    • Untreated multiple myeloma
    • Plasma cell myeloma

    ICD-10 Codes:

    • C9000: Multiple myeloma not having achieved remission

    Also known as:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)

    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

    What procedures does a Hematology / Oncology Specialist like Dr. Marjon typically perform?

    As a Hematology / Oncology Specialist, Dr. Marjon 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. Marjon. 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:

    • Bone Marrow Biopsy and Aspiration
    • Biopsy
    • Bone Marrow Tests
    • Bone Marrow Exam
    • Bone Marrow Sample Collection
    • Diagnostic Bone Marrow Procedure

    CPT Codes:

    • 38222: Diagnostic bone marrow; biopsy(ies) and aspiration(s)

    Does Dr. Marjon accept my insurance?

    Dr. Marjon accepts most major insurance plans. Important: Please call our office at (619) 872-0953 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marjon accept in San Marcos, CA?

    Dr. Marjon in San Marcos, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Alignment Healthcare

    • Blue Shield of California

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Medicare

    • Molina Healthcare

    • Other Provider Networks

    • Other Support Agencies/Consultants

    • Sharp HealthCare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Marjon's office located?

    Dr. Philip Marjon's Primary Practice

    838 Nordahl Rd Ste 300

    San Marcos, CA 92069

    (619) 872-0953

    Get Directions

    Dr. Philip Marjon's Practice 2

    25405 Hancock Ave Ste 101

    Murrieta, CA 92562

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    Dr. Philip Marjon's Practice 3

    1011 E Devonshire Ave Ste 201

    Hemet, CA 92543

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    What is Dr. Marjon's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Marjon's National Provider Identifier (NPI) number is 1912234121.

    What common questions do patients ask about Dr. Marjon?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marjon

    What is Dr. Philip Marjon's specialty?

    Dr. Marjon is a Hematology / Oncology Specialist near San Marcos, CA.

    What does a Hematology / Oncology Specialist do?

    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.

    Is Dr. Philip Marjon affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Marjon is affiliated with Palomar Medical Center Escondido, Tri-City Medical Center, Palomar Medical Center Poway, Scripps Memorial Hospital Encinitas, Sharp Coronado Hospital, Scripps Memorial Hospital La Jolla 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

    When to see a Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. 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 Dr. Philip Marjon accepting new patients in San Marcos, CA?

    Yes, Dr. Philip Marjon is accepting new patients at this time.

    Does Dr. Philip Marjon offer online booking?

    Please contact Dr. Marjon's office at (619) 872-0953 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Philip Marjon?

    Please contact Dr. Marjon's office at (619) 872-0953 to schedule an appointment.

    Where is Dr. Marjon's office located?

    Dr. Marjon's offices are located in San Marcos, CA, Murrieta, CA, and Hemet, CA.

    Which board certifications does Dr. Philip Marjon have?

    Dr. Philip Marjon is certified by the American Board of Internal Medicine.