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Dr. Mark Diehl, DO

Dr. Mark Diehl, DO

Gettysburg, PA

17 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Diehl, Rheumatologist in Gettysburg, PA?

    Dr. Mark Diehl, DO is a Rheumatologist, who primarily practices in Gettysburg, PA with 2 additional practice locations. He has been practicing for over 17 years and is board certified. Dr. Diehl is fluent in English and German, and is currently seeing new patients. Dr. Diehl’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Diehl’s office at (717) 339-2790.

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

    • Fellowship: Geisinger Medical Center

    • Medical School: Philadelphia College of Osteopathic Medicine

    What languages does Dr. Diehl speak?

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

    • English

    • German

    What conditions does Dr. Diehl treat?

    As a Rheumatologist, Dr. Diehl 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. Diehl. 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:

    • Rheumatoid Arthritis
    • RA
    • Chronic inflammatory arthritis
    • Autoimmune arthritis
    • Inflammatory joint disease

    ICD-10 Codes:

    • M0579: Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
    • M0609: Rheumatoid arthritis without rheumatoid factor, multiple sites
    • M059: Rheumatoid arthritis with rheumatoid factor, unspecified

    Also known as:

    • Psoriatic Arthritis
    • Psoriasis
    • Psoriatic joint inflammation
    • Arthritis with psoriasis
    • Psoriasis-related joint pain
    • Scaly Skin Condition
    • Chronic Skin Disease
    • Autoimmune Skin Disorder

    ICD-10 Codes:

    • L4050: Arthropathic psoriasis, unspecified
    • L409: Psoriasis, unspecified

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Cancer Immunotherapy
    • Cancer Chemotherapy
    • Oncology immunotherapy
    • Immune therapy for cancer
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5112: Encounter for antineoplastic immunotherapy
    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Immune Deficiency from Drugs
    • Drug-Induced Immunodeficiency
    • Medication-Caused Immune Weakness

    ICD-10 Codes:

    • D84821: Immunodeficiency due to drugs

    Also known as:

    • Arthritis in Multiple Joints
    • Arthritis
    • Widespread Arthritis
    • Multiple Joint Inflammation
    • Generalized Arthritis

    ICD-10 Codes:

    • M130: Polyarthritis, unspecified

    Also known as:

    • Other Long-Term Drug Therapy
    • Chronic medication use
    • Ongoing drug treatment
    • Extended drug therapy

    ICD-10 Codes:

    • Z79899: Other long term (current) drug therapy

    Also known as:

    • Spondylosis
    • Spine Injuries and Disorder
    • Spinal Osteoarthritis
    • Degenerative Disc Disease
    • Spinal Degeneration

    ICD-10 Codes:

    • M47819: Spondylosis without myelopathy or radiculopathy, site unspecified

    Also known as:

    • Lupus
    • Systemic lupus erythematosus
    • SLE
    • Disseminated lupus erythematosus

    ICD-10 Codes:

    • M329: Systemic lupus erythematosus, unspecified

    Also known as:

    • Ankylosing Spondylitis
    • AS', 'Bechterew's Disease
    • Inflammatory Spinal Arthritis

    ICD-10 Codes:

    • M450: Ankylosing spondylitis of multiple sites in spine

    Also known as:

    • Enteropathic Arthritis
    • Arthritis
    • Gut-Related Arthritis
    • Inflammatory Bowel Disease Arthritis
    • IBD Arthritis

    ICD-10 Codes:

    • M0760: Enteropathic arthropathies, unspecified site

    Also known as:

    • Multiple Site Bone Density and Structure Disorder
    • Bone Density
    • Bone Disease
    • Widespread Bone Density Disorder
    • Generalized Bone Structure Problem
    • Multi-site Bone Disorder

    ICD-10 Codes:

    • M8589: Other specified disorders of bone density and structure, multiple sites

    Also known as:

    • Gout in multiple joints
    • Gout
    • Gouty Arthritis
    • Metabolic Arthritis
    • Uric Acid Arthritis

    ICD-10 Codes:

    • M1A09X0: Idiopathic chronic gout, multiple sites, without tophus (tophi)

    Also known as:

    • Other Abnormal Immune System Markers
    • Unusual immune findings
    • Abnormal immunology results
    • Abnormal serum immunology

    ICD-10 Codes:

    • R768: Other specified abnormal immunological findings in serum

    Also known as:

    • Polymyalgia Rheumatica
    • Polymyalgia Rheumatica and Giant Cell Arteritis
    • PMR
    • Inflammatory Rheumatism

    ICD-10 Codes:

    • M353: Polymyalgia rheumatica

    Also known as:

    • Giant cell arteritis
    • Giant Cell Arteritis
    • Polymyalgia Rheumatica and Giant Cell Arteritis
    • Temporal arteritis', 'Horton's disease
    • Cranial arteritis

    ICD-10 Codes:

    • M316: Other giant cell arteritis

    Which procedures does Dr. Diehl perform as a Rheumatologist?

    As a Rheumatologist, procedures performed by a Dr. Mark Diehl may include:

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

    Does Dr. Diehl accept my insurance?

    Dr. Diehl accepts most major insurance plans. Important: Please call our office at (717) 339-2790 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Diehl accept in Gettysburg, PA?

    Dr. Diehl in Gettysburg, PA 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)

    • Department of Defense / Tricare

    • Express Scripts

    • Highmark Inc.

    • Independence Blue Cross

    • Medicare

    • Mpsers

    • Mutual of Omaha

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Diehl's office located?

    Dr. Mark Diehl's Primary Practice

    40 V Twin Dr

    Gettysburg, PA 17325

    (717) 339-2790

    Get Directions

    Dr. Mark Diehl's Practice 2

    1600 S George St

    York, PA 17403

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    Dr. Mark Diehl's Practice 3

    97 Progress Blvd

    Shippensburg, PA 17257

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

    Dr. Diehl's National Provider Identifier (NPI) number is 1982667754.

    What common questions do patients ask about Dr. Diehl?

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

    What is Dr. Mark Diehl's specialty?

    Dr. Diehl is a Rheumatologist near Gettysburg, PA. An internist specializing in the treatment of diseases affecting the joints, muscles, bones, and tendons. This specialist diagnoses and manages conditions such as arthritis, back pain, muscle strains, common sports injuries, and collagen-related diseases. Contact Dr. Diehl to book an appointment today.

    Is this Dr. Mark Diehl affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Diehl is affiliated with Wellspan York Hospital 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 Rheumatologist?

    Explore Rheumatologist 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 Mark Diehl accepting new patients in Gettysburg, PA?

    Yes, Dr. Mark Diehl is accepting new patients at this time.

    Does Dr. Mark Diehl offer online booking?

    Please contact Dr. Diehl's office at (717) 339-2790 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Diehl?

    Please contact Dr. Diehl's office at (717) 339-2790 for information regarding telehealth appointment availability or for scheduling assistance.

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