Dr. William Ahnn, MD

Dr. William Ahnn, MD

Anesthesiology  ·  
Male  ·  
Age 74
Dr. William Ahnn, MD is an anesthesiology specialist in San Bernardino, CA and has been practicing for 42 years. He graduated from Seoul National University, College Of Medicine in 1969 and specializes in anesthesiology and pain medicine anesthesiology.

2164 N Mountain View Ave

San Bernardino, CA 92405

Contact Information

Insurance Accepted

  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • Kaiser Permanente
  • UnitedHealthCare
  • WellPoint

*Please verify this information when scheduling an appointment.

Learn about Dr. Ahnn

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Dr. Ahnn's Experience

Dr. Ahnn's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Anesthesiology
  • Board certified in Anesthesiology
  • No malpractice claims found
  • No sanctions found
  • No board actions found

Care Philosophy

This content was provided by Dr. Ahnn "As an anesthesiologist, I try to provide compassionate care with most advanced information."

2  Specialties

  • Anesthesiology
  • Pain Medicine Anesthesiology

1  Board Certifications

  • Anesthesiology
    Accredited by: American Board of Anesthesiology*

6  Procedures

  • Anesthesia
  • Epidural Injection
  • Epidural Steroid Injections
  • Lumbar Epidural Steroid Injection
  • Nerve Blocks
  • Pain Management

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Premedical School, Seoul National University, Seoul Korea
    Undergraduate School | Graduated 1965
  • Seoul National University, College Of Medicine
    Medical School | Graduated 1969
  • Youngstown Hospital Assn
    Internship Hospital | Completed 1973
  • Cincinnati Med Center
    Residency Hospital | Completed 1976
  • Highland View Hospital
    Residency Hospital | Completed 1974

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Ahnn has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Ahnn does not have any memberships or affiliations listed. If you are Dr. Ahnn and would like to add memberships or affiliations, please update your profile.

Dr. Ahnn's Reviews

Likelihood of recommending Dr. Ahnn to family and friends
1 review (1 has a comment)

Likelihood to Recommend (1)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Ahnn's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness


Patient Comments (1)

I trust Dr. Ahnn with my life hands down. He has been my anesthesiologist for several of my surgeries over the years. And the only Dr. I trust giving me an ephodual. He has a special gift and a great bed side manner.
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