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Dr. William L. Matzner, MD

Internal Medicine

Dr. Matzner's Overview

Dr. William L. Matzner graduated from the Baylor College of Medicine in 1984. He works in Simi Valley, CA and specializes in Internal Medicine. Dr. Matzner is affiliated with Simi Valley Hospital.

Dr. Matzner's Experience

Years in Practice: 31

Dr. Matzner's Specialties

Internal Medicine

Dr. Matzner's Education & Training

Medical School: Baylor College of Medicine; Graduated 1984

Dr. Matzner's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Matzner's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • Aetna Savings Plus of CA
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
  • Blue Cross CA CaliforniaCare HMO
  • Blue Cross CA Pathway X PPO Direct Access
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Dr. Matzner's Office Information & Appointments

Office Locations

Reproductive Immunology Associates

143 Parrot Ln
Simi Valley, CA 93065
(805) 578-7000


Office Hours and Information

Fax: (805) 578-7005

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Matzner's Practice

  • Not Available

Dr. Matzner's Hospital Affiliations

Office Locations

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