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Dr. John P Fruehauf, MD

Orange, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fruehauf, Hematology / Oncology Specialist in Orange, CA?

    Dr. John P Fruehauf, MD is a Hematology / Oncology Specialist, who primarily practices in Orange, CA. He is board certified. Dr. Fruehauf completed his residency at Nat'l Cancer Institute. Dr. Fruehauf is fluent in English and Spanish, and is currently seeing new patients. Dr. Fruehauf’s practice accepts Medicaid, Medicare, UnitedHealthcare, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fruehauf’s office at (415) 875-9030.

    What are Areas of Expertise for Dr. Fruehauf?

    Dr. John P Fruehauf, 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. Fruehauf empowers patients to confidently navigate their health journey, specializing in Bladder Cancer, Melanoma, Prostate Cancer, Testicular Cancer, or comprehensive wellness support. Serving the Orange/CA community, Dr. Fruehauf is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Fruehauf go to medical school and complete their residency?

    • Residency: Nat'l Cancer Institute

    What languages does Dr. Fruehauf speak?

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

    • English

    • Spanish

    What conditions does Dr. Fruehauf treat?

    As a Hematology / Oncology Specialist, Dr. Fruehauf 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. Fruehauf. 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 Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    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:

    • Melanoma
    • Melanoma of the Trunk
    • Facial Melanoma
    • Malignant Melanoma
    • Skin Cancer (Melanoma)
    • Cutaneous Melanoma
    • Black Skin Cancer
    • Malignant Melanoma of Body
    • Skin Cancer on Torso
    • Malignant Facial Melanoma
    • Skin Cancer of Face
    • Melanoma on Face

    ICD-10 Codes:

    • C439: Malignant melanoma of skin, unspecified
    • C4359: Malignant melanoma of other part of trunk
    • C4339: Malignant melanoma of other parts of face

    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:

    • Cancer in Lymph Nodes
    • Secondary Bone Cancer
    • Cancer
    • Bone Cancer
    • Lymph Node Metastasis
    • Metastatic Lymph Node Cancer
    • Secondary Lymphoma
    • Metastatic bone cancer
    • Cancer spread to bone
    • Bone metastases

    ICD-10 Codes:

    • C779: Secondary and unspecified malignant neoplasm of lymph node, unspecified
    • C7951: Secondary malignant neoplasm of bone

    Also known as:

    • Anemia from Chemotherapy
    • Anemia
    • Cancer Chemotherapy
    • Chemo-induced anemia
    • Low red blood cell count from cancer treatment
    • Anemia due to cancer drugs

    ICD-10 Codes:

    • D6481: Anemia due to antineoplastic chemotherapy

    Also known as:

    • Secondary Skin Cancer
    • Basal Cell Skin Cancer of the Trunk
    • Skin Cancer
    • Skin Cancer Treatment (PDQ®)
    • Metastatic Skin Cancer
    • Skin Cancer Spread
    • Skin Metastasis
    • Basal Cell Carcinoma of Trunk
    • Trunk BCC
    • Rodent Ulcer of Trunk
    • Trunk Basal Cell Tumor

    ICD-10 Codes:

    • C792: Secondary malignant neoplasm of skin
    • C44519: Basal cell carcinoma of skin of other part of trunk

    Also known as:

    • Kidney Cancer
    • Ureteral Cancer
    • Cancer
    • Ureteral Disorder
    • Transitional Cell Cancer of the Renal Pelvis and Ureter Treatment (PDQ)
    • Renal Cancer
    • Kidney Tumor
    • Renal Cell Carcinoma
    • Cancer of the ureter
    • Ureter carcinoma
    • Urothelial cancer

    ICD-10 Codes:

    • C641: Malignant neoplasm of right kidney, except renal pelvis
    • C662: Malignant neoplasm of left ureter

    Also known as:

    • Cancer Spread to Left Lung
    • Lung Cancer Spread
    • Lung Cancer
    • Metastatic Cancer in Left Lung
    • Secondary Tumor in Left Lung
    • Left Lung Metastasis
    • Metastatic Lung Cancer
    • Secondary Lung Tumor
    • Lung Metastasis

    ICD-10 Codes:

    • C7802: Secondary malignant neoplasm of left lung
    • C7800: Secondary malignant neoplasm of unspecified lung

    Also known as:

    • Soft Tissue Sarcoma
    • Cancer
    • Connective Tissue Disorder
    • Malignant Soft Tissue Tumor
    • Connective Tissue Cancer
    • Soft Tissue Cancer

    ICD-10 Codes:

    • C499: Malignant neoplasm of connective and soft tissue, unspecified

    Also known as:

    • Bladder Cancer
    • Urinary Bladder Cancer
    • Bladder Carcinoma

    ICD-10 Codes:

    • C679: Malignant neoplasm of bladder, unspecified

    Also known as:

    • Chronic Inflammatory Demyelinating Polyneuropathy
    • Peripheral Nerve Disorder
    • CIDP
    • Chronic Inflammatory Polyneuritis
    • Demyelinating Neuropathy

    ICD-10 Codes:

    • G6181: Chronic inflammatory demyelinating polyneuritis

    Also known as:

    • Drug-Induced Hypothyroidism
    • Hypothyroidism
    • Medication-Caused Underactive Thyroid
    • Exogenous Hypothyroidism

    ICD-10 Codes:

    • E032: Hypothyroidism due to medicaments and other exogenous substances

    Which procedures does Dr. Fruehauf perform as a Hematology / Oncology Specialist?

    As a Hematology / Oncology Specialist, procedures performed by a Dr. John P Fruehauf may include:

    For detailed information, please contact Dr. Fruehauf's office.

    Does Dr. Fruehauf accept my insurance?

    Dr. Fruehauf accepts most major insurance plans. Important: Please call our office at (415) 875-9030 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fruehauf accept in Orange, CA?

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

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • CalOptima

    • Centene

    • Department of Defense / Tricare

    • Government Employees Health Association

    • Medicare

    • Monarch HealthCare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Fruehauf's office located?

    Dr. John P Fruehauf's Primary Practice

    101 The City Dr S

    Orange, CA 92868

    (415) 875-9030

    Get Directions

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

    Dr. Fruehauf's National Provider Identifier (NPI) number is 1588744635.

    What common questions do patients ask about Dr. Fruehauf?

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

    What is Dr. John P Fruehauf's specialty?

    Dr. Fruehauf is a Hematology / Oncology Specialist near Orange, CA. 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. Fruehauf to book an appointment today.

    Is this Dr. John P Fruehauf affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fruehauf is affiliated with UCI 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

    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 John P Fruehauf accepting new patients in Orange, CA?

    Yes, Dr. John P Fruehauf is accepting new patients at this time.

    Does Dr. John P Fruehauf offer online booking?

    Please contact Dr. Fruehauf's office at (415) 875-9030 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John P Fruehauf?

    Please contact Dr. Fruehauf's office at (415) 875-9030 for information regarding telehealth appointment availability or for scheduling assistance.

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