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Dr. Ryan Holzmacher, MD

Hartford, WI

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Holzmacher, Internist in Hartford, WI?

    Dr. Ryan Holzmacher, MD is an Internist, who primarily practices in Hartford, WI with 2 additional practice locations. Dr. Holzmacher is fluent in English, and is currently seeing new patients. Dr. Holzmacher’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Holzmacher’s office at (262) 875-5070.

    What languages does Dr. Holzmacher speak?

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

    • English

    What conditions does an Internist like Dr. Holzmacher typically treat?

    As an Internist, Dr. Holzmacher 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. Holzmacher. 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 here.

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Chronic Kidney Disease, Stage 3
    • Chronic Kidney Disease
    • Chronic Kidney Disease (CKD)
    • CKD Stage 3
    • Moderate Chronic Kidney Disease

    ICD-10 Codes:

    • N1830: Chronic kidney disease, stage 3 unspecified

    Also known as:

    • Generalized Muscle Weakness
    • Muscle Disorder
    • Overall Body Weakness
    • Widespread Muscle Weakness
    • Systemic Muscle Weakness

    ICD-10 Codes:

    • M6281: Muscle weakness (generalized)

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    What procedures does an Internist like Dr. Holzmacher typically perform?

    As an Internist, procedures performed by Dr. Ryan Holzmacher may include:

    Please contact Dr. Holzmacher's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Holzmacher accept my insurance?

    Dr. Holzmacher accepts most major insurance plans. Important: Please call our office at (262) 875-5070 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Holzmacher accept in Hartford, WI?

    Dr. Holzmacher in Hartford, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Marshfield Clinic Health System

    • Medicaid

    • Medicare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Holzmacher's office located?

    Dr. Ryan Holzmacher's Primary Practice

    1366 E Sumner St Ste 1002

    Hartford, WI 53027

    (262) 875-5070

    Get Directions

    Dr. Ryan Holzmacher's Practice 2

    5017 S 110th St

    Greenfield, WI 53228

    Get Directions

    Dr. Ryan Holzmacher's Practice 3

    18740 W Bluemound Rd

    Brookfield, WI 53045

    Get Directions

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

    Dr. Holzmacher's National Provider Identifier (NPI) number is 1598700601.

    What common questions do patients ask about Dr. Holzmacher?

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

    What is Dr. Ryan Holzmacher's specialty?

    Dr. Holzmacher is a Internist near Hartford, WI.

    What does an Internist do?

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Is this Dr. Ryan Holzmacher affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Holzmacher is affiliated with Prohealth Waukesha Memorial 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

    When to see an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 Ryan Holzmacher accepting new patients in Hartford, WI?

    Yes, Dr. Ryan Holzmacher is accepting new patients at this time.

    Does Dr. Ryan Holzmacher offer online booking?

    Please contact Dr. Holzmacher's office at (262) 875-5070 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ryan Holzmacher?

    Please contact Dr. Holzmacher's office at (262) 875-5070 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>