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Dr. Ryan Holzmacher, MD
Internal Medicine* Age 53
Dr. Ryan Holzmacher, MD
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Dr. Ryan Holzmacher, MD is an Internist in Oconomowoc, WI.
Dr. Ryan Holzmacher, MD
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Dr. Ryan Holzmacher, MD

Internal Medicine* Age 53
Oconomowoc, WI
Call for new patient details
27 years of experience
Dr. Ryan Holzmacher, MD is an Internist in Oconomowoc, WI.
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About Dr. Ryan Holzmacher, MD

Dr. Holzmacher graduated from Southern Illinois University School of Medicine. Dr. Ryan Holzmacher, MD is an Internist in Oconomowoc, WI and has 27 years experience. Dr. Holzmacher's office is not accepting new patients. Dr. Holzmacher is board certified in Internal Medicine and Nephrology.

Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Urinary Tract Infection (UTI)
Electrocardiogram (EKG)
Arterial Blood Gas Test (ABG)
Urinary Tract Infection (UTI)
Arterial Blood Gas Test (ABG)
Urinary Tract Infection (UTI)
Electrocardiogram (EKG)
Chronic Kidney Disease Stage III
Hypertensive Chronic Kidney Disease
Asphyxia and Hypoxemia
Hypokalemia
Acute Kidney Failure
Diabetes With Renal Manifestations
Hyposmolality and Hyponatremia
Hypotension (Excluding Maternal)
Nephritis and Nephropathy
Vitamin D Deficiency
Constipation
All Headaches (incl. Migraine)
Anxiety
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Arthritis
Arthritis of the Elbow
Ataxia
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Autoimmune Diseases
Autonomic Disorders
Back Pain
Benign Chronic Pain Syndrome
Bladder Infection
Bone Disorders
Brain Disorders
Calcium Metabolism Disorders
Cauda Equina Syndrome
Chronic Kidney Disease Stage II
Chronic Kidney Disease Stage IV
Chronic Neck Pain
Chronic Non-Healing Wounds
Chronic Pain
Chronic Pelvic Pain
COPD (Chronic Obstructive Pulmonary Disease)
Degenerative Disc Disease
Diabetes Type 2
Diabetic Polyneuropathy
Difficulty With Walking
Dyslipidemia
Dysphagia
Fever
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Fibromyalgia
Foot Infection
Gait Abnormality
Gastroesophageal Reflux Disease (GERD)
Headache
  • View other providers who treat Headache
Heart Disease
Herniated Disc
Herpes Zoster Without Complication
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hyperparathyroidism
Intervertebral Disc Disease
Joint Pain
Kidney Stones
Knee Disorders
Leukocytopenia
Limb Pain
Lipid Disorders
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Migraine
  • View other providers who treat Migraine
Mild Asthma
Mineral Metabolism Disorders
Muscle Weakness
Muscular Pain
Neuropathy, Motor and Sensory
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Parathyroid (Gland) Disease
Patellofemoral Pain Syndrome (PFPS)
Pathological Spine Fracture
Phantom Limb Pain
Polyneuropathy
Postoperative Pain
Radiculopathy
Reflex Sympathetic Dystrophy
Renal Hyperparathyroidism
Sciatica
  • View other providers who treat Sciatica
Scoliosis
Shortness of Breath
Spinal Stenosis
Spine Deformities
Spine Disorders
Spine Fractures, Traumatic
Spondylitis
Sprains and Strains (incl. Muscle Tear)
Thrush
  • View other providers who treat Thrush
Thyroid Goiter
Urinary Incontinence
Venous Embolism and Thrombosis
Arthrocentesis
Hospice Care Services
Joint Injection
Pain Management
Peripheral Nerve Block
Somatic Nerve Block

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Open Choice PPO
    Elect Choice (Open Access) EPO
    Premier Care Network Plus - Innovation Health
    APCN Choice POS II
    Managed Choice (Open Access) POS
    Choice Plus POS II
  • Open Access Plus
    Cigna HMO

Where Dr. Ryan Holzmacher, MD Sees Patients

  1. 1 Office
    2195 N Summit Village Way, Oconomowoc, WI 53066
  2. 2 Post Acute Medical Specialty Hospital of Milwaukee
    5017 S 110th St, Greenfield, WI 53228

What Patients Say

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Meet Dr. Ryan Holzmacher, MD

Specialties*
Nephrology
Hospice & Palliative Medicine
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Holzmacher communicate via email?
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Does Dr. Holzmacher offer an online patient portal?
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Does Dr. Holzmacher have free onsite parking?
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Does Dr. Holzmacher offer evening visits?
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Does Dr. Holzmacher specialize in working with children or adolescents?
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Does Dr. Holzmacher specialize in working with seniors?
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Does Dr. Holzmacher specialize in couples therapy?
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Does Dr. Holzmacher specialize in working with LGBTQ+ community?
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Does Dr. Holzmacher accept insurance?
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FAQs About Dr. Holzmacher's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Ryan Holzmacher, MD. To arrange an appointment, call the number on Dr. Holzmacher's profile.

Dr. Ryan Holzmacher, MD is affiliated with ProHealth Waukesha Memorial Hospital.

Yes, Dr. Ryan Holzmacher, MD holds board certification in Internal Medicine and Nephrology.

Training & Medical Education
Medical Education
  • Southern Illinois University School of Medicine
    1999
Medical Education
Board Certifications
  • Internal Medicine and Nephrology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • Medical College of Wisconsin
    2002
Internship
Fellowship Hospital
  • University of Wisconsin
    2004
Fellowship Hospital

Hospitals Where Dr. Ryan Holzmacher, MD Practices

  • ProHealth Waukesha Memorial Hospital

    725 American Ave, Waukesha, WI

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