Dr. Wichmann graduated from the University of California Davis School of Medicine in 1975. Dr. Wichmann works in Napa, CA and 2 other locations and specializes in Internal Medicine. Dr. Wichmann is affiliated with Department Of State Hospitals-Atascadero.


Years Experience: 44

Procedures Performed

Dr. Wichmann's Specialties

Dr. Wichmann's Education & Training

Medical School
University of California Davis School of Medicine; Graduated 1975


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Wichmann's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • Anthem BC Pathway X EPO Network
  • BCBS Blue Card PPO

Dr. Wichmann's Office Information & Appointments

This physician has multiple office locations. See Office Information for details.


Department Of State Hospitals-Atascadero

2100 Napa Vallejo Hwy
Napa, CA 94558

Get Directions

Tel: (805) 468-2000

Fax: Not Available

Practice Website: Not Available

Accepting New Patients: No

Medicare Accepted: No

Medicaid Accepted: No