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Dr. Erin Pettijohn, MD

Grand Rapids, MI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Pettijohn, Hematology / Oncology Specialist in Grand Rapids, MI?

    Dr. Erin Pettijohn, MD is a Hematology / Oncology Specialist, who primarily practices in Grand Rapids, MI with 2 additional practice locations. She is board certified. Dr. Pettijohn graduated from Wayne State Universtiy School Of Medicine and completed her residency at NORTHWESTERN UNIVERSITY. Dr. Pettijohn is fluent in English, and is currently seeing new patients. Dr. Pettijohn’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Pettijohn’s office at (616) 685-5600.

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

    • Residency: NORTHWESTERN UNIVERSITY

    • Medical School: Wayne State Universtiy School Of Medicine

    What languages does Dr. Pettijohn speak?

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

    • English

    What conditions does Dr. Pettijohn treat?

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

    • Chronic Lymphocytic Leukemia
    • Acute Myeloid Leukemia
    • Chronic Myeloid Leukemia
    • Chronic Lymphocytic Leukemia Treatment (PDQ®)
    • Chronic Myelogenous Leukemia Treatment (PDQ®)
    • CLL
    • B-cell chronic lymphocytic leukemia
    • Lymphocytic leukemia
    • AML Leukemia
    • Acute Myeloblastic Leukemia
    • Acute Myelogenous Leukemia
    • CML
    • Chronic myelogenous leukemia
    • Philadelphia chromosome positive leukemia

    ICD-10 Codes:

    • C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission
    • C9200: Acute myeloblastic leukemia, not having achieved remission
    • C9210: Chronic myeloid leukemia, BCR/ABL-positive, not having achieved remission

    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:

    • Cancer Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified
    • D649: Anemia, unspecified

    Also known as:

    • Thrombocytopenia
    • Immune Thrombocytopenic Purpura
    • Essential Thrombocythemia
    • Platelet Disorder
    • Immune thrombocytopenia
    • Essential thrombocythemia
    • Chronic Myeloproliferative Neoplasms Treatment (PDQ)
    • Low platelet count
    • Platelet deficiency
    • Bleeding disorder
    • ITP
    • Idiopathic thrombocytopenic purpura
    • ET
    • Primary Thrombocythemia
    • Hemorrhagic Thrombocythemia

    ICD-10 Codes:

    • D696: Thrombocytopenia, unspecified
    • D693: Immune thrombocytopenic purpura
    • D473: Essential (hemorrhagic) thrombocythemia

    Also known as:

    • Diffuse Large B-cell Lymphoma
    • Lymphoma
    • DLBCL
    • Aggressive B-cell Lymphoma
    • Diffuse B-cell Lymphoma

    ICD-10 Codes:

    • C8339: Diffuse large B-cell lymphoma, extranodal and solid organ sites
    • C8338: Diffuse large B-cell lymphoma, lymph nodes of multiple sites

    Also known as:

    • Monoclonal Gammopathy
    • Blood Disorder
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
    • MGUS
    • Plasma Cell Disorder
    • Gammopathy of Undetermined Significance

    ICD-10 Codes:

    • D472: Monoclonal gammopathy

    Also known as:

    • Other Types of Pancytopenia
    • Blood Disorder
    • Rare pancytopenia
    • Uncommon low blood counts
    • Bone marrow failure

    ICD-10 Codes:

    • D61818: Other pancytopenia

    Also known as:

    • Myelodysplastic Syndrome
    • Myelodysplastic Syndromes
    • Myelodysplastic Syndromes Treatment (PDQ®)
    • MDS
    • Preleukemia
    • Bone marrow failure disorder

    ICD-10 Codes:

    • D469: Myelodysplastic syndrome, unspecified

    Also known as:

    • Hereditary Hemochromatosis
    • Hemochromatosis
    • Hereditary hemochromatosis
    • Genetic Iron Overload
    • Primary Hemochromatosis

    ICD-10 Codes:

    • E83110: Hereditary hemochromatosis

    Also known as:

    • Non-Hodgkin Lymphoma
    • Lymphoma
    • Non-Hodgkin's Disease
    • NHL
    • Lymphatic Cancer

    ICD-10 Codes:

    • Z8572: Personal history of non-Hodgkin lymphomas

    Also known as:

    • Non-Hereditary Low Immunoglobulin Levels
    • Immune System and Disorder
    • Acquired Antibody Deficiency
    • Non-Genetic Immune Deficiency

    ICD-10 Codes:

    • D801: Nonfamilial hypogammaglobulinemia

    Also known as:

    • Polycythemia vera
    • Bone Marrow Disease
    • Chronic Myeloproliferative Neoplasms Treatment (PDQ)
    • PV
    • Primary polycythemia
    • Erythremia

    ICD-10 Codes:

    • D45: Polycythemia vera

    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

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

    As a Hematology / Oncology Specialist, procedures performed by a Dr. Erin Pettijohn may include:

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

    Does Dr. Pettijohn accept my insurance?

    Dr. Pettijohn accepts most major insurance plans. Important: Please call our office at (616) 685-5600 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Pettijohn accept in Grand Rapids, MI?

    Dr. Pettijohn in Grand Rapids, MI 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 Cross Blue Shield of Michigan

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Humana

    • Medicare

    • Molina

    • Spectrum / Priority Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Pettijohn's office located?

    Dr. Erin Pettijohn's Primary Practice

    250 Cherry St SE Ste 2200

    Grand Rapids, MI 49503

    (616) 685-5600

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    Dr. Erin Pettijohn's Practice 2

    145 Michigan St NE Ste 3100

    Grand Rapids, MI 49503

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    Dr. Erin Pettijohn's Practice 3

    12460 Riley St

    Holland, MI 49424

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

    Dr. Pettijohn's National Provider Identifier (NPI) number is 1003101429.

    What common questions do patients ask about Dr. Pettijohn?

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

    What is Dr. Erin Pettijohn's specialty?

    Dr. Pettijohn is a Hematology / Oncology Specialist near Grand Rapids, MI. 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. Pettijohn to book an appointment today.

    Is this Dr. Erin Pettijohn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Pettijohn is affiliated with Corewell Health Butterworth Hospital, Trinity Health Muskegon Hospital, Corewell Health Lakeland Hospitals St. Joseph Hospital 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 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 Erin Pettijohn accepting new patients in Grand Rapids, MI?

    Yes, Dr. Erin Pettijohn is accepting new patients at this time.

    Does Dr. Erin Pettijohn offer online booking?

    Please contact Dr. Pettijohn's office at (616) 685-5600 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Erin Pettijohn?

    Please contact Dr. Pettijohn's office at (616) 685-5600 for information regarding telehealth appointment availability or for scheduling assistance.

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