Skip to content

Physician Directory

Find a Doctor

Dr. Ryan D. Holzmacher, MD

Internal Medicine

  • 4131 W Loomis Rd Ste 300
    Greenfield, WI 53221
  • 1 Location
  • (414) 325-7246

Dr. Holzmacher's Overview

Dr. Ryan D. Holzmacher graduated from the Southern Illinois University School of Medicine in 1999. He works in Greenfield, WI and specializes in Internal Medicine and Nephrology. Dr. Holzmacher is affiliated with Aurora St Lukes South Shore and Meriter-UnityPoint Health Hospital.

Dr. Holzmacher's Experience

Years in Practice: 16

Dr. Holzmacher's Specialties

Internal Medicine, Nephrology

Dr. Holzmacher's Education & Training

Medical School: Southern Illinois University School of Medicine; Graduated 1999

Dr. Holzmacher's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Anthem Blue Access PPO
  • Anthem Blue Preferred HMO
  • Anthem Blue Preferred Plus POS
  • Anthem Blue Priority X/Indiv DirectAccess WI
  • BCBS Blue Card PPO
  • View More

Dr. Holzmacher's Office Information & Appointments

Office Locations

Advanced Pain Management Clinic
Advanced Pain Management

4131 W Loomis Rd Ste 300
Greenfield, WI 53221
(414) 325-7246


Office Hours and Information

Fax: (414) 325-3770

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Holzmacher's Practice

Dr. Holzmacher's Hospital Affiliations

Office Locations

Other Internists Near Greenfield, WI

View More Internists