Summary

Dr. Ryan Holzmacher treats hypertension, pediatric hypertension, and hypertensive emergency. He practices internal medicine and nephrology and has 27 years of experience. Dr. Holzmacher is affiliated with HSHS Saint Clare Memorial Hospital and sees patients in Brookfield and Fond du Lac, Wisconsin. He earned his medical degree from Southern Illinois University School of Medicine. Patients on Vitals rate Dr. Holzmacher 4.1 out of 5.

Overview based on verified provider data

Quick Facts

  • 4.1
  • 27 years of experience
  • 20 insurance plans accepted
  • Southern Illinois University School Of Medicine
  • 5 written reviews
  • 2 specialties
  • 4 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Ryan Daniel Holzmacher has 2 locations

Holzmacher Ryan Office

19050 Blue Ridge CtBrookfield, WI 53045

SSM Health St. Agnes Hospital - Fond du Lac

430 E Division StFond Du Lac, WI 54935

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Dr. Ryan Daniel Holzmacher, MDDr. Yogi Gundamraj, MDEric HarkerDr. Adewumi Bakare DMSc, PA-C
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
5 
4 
0 
27 Years of Experience 29 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)
Brookfield , WIBrookfield , WILyons , COMesquite , TX
Med School: Southern Illinois University School Of Medicine Med School: Spartan Health Sciences University School Of Medicine Med School: Duke University School Of Medicine Med School: University of Lynchburg - DMSc
Current Profile
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Insurance Plans Accepted by Dr. Ryan Daniel Holzmacher

  • Aetna
  • Allegiance Life and Health
  • Blue Cross Blue Shield
  • Cigna
  • Dean Health Plan
  • Dean Health Plan - Medicaid (Managed)
  • Gundersen Health Plan
  • HealthScope Benefits
  • Humana
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Physicians Mutual
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • Unity Health Insurance

Medical Specialties

Dr. Ryan Daniel Holzmacher has the following 2 specialties

Specialty Expertise

Dr. Ryan Daniel Holzmacher has the following 4 areas of expertise

  • Acute Pain
  • Cancer Pain
  • Chronic Pain
  • Nephrology

Certifications, License, & Education

27 Years Experience

Education & Training

Medical School

Graduated from Southern Illinois University School Of Medicine in 2000 and Southern Illinois University School Of Medicine in 1999.

NPI Number

Dr. Holzmacher's NPI number is 1598700601.

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Frequently Asked Questions

Does Dr. Ryan Holzmacher accept my insurance?
You can see the insurance plans that Dr. Ryan Holzmacher accepts on their Vitals profile.
Is Dr. Ryan Holzmacher accepting new patients?
Dr. Ryan Holzmacher has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Ryan Holzmacher accept virtual/telehealth appointments?
Dr. Ryan Holzmacher has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Ryan Holzmacher affiliated with?
Dr. Ryan Holzmacher is affiliated with Hshs Saint Clare Memorial Hospital.
How can I make an appointment with Dr. Ryan Holzmacher?
You can find contact information for Dr. Ryan Holzmacher here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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