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William Nicholas Devor, MD

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My specialty:

My provider affiliation:
Kaiser Permanente physician

I speak: English

My gender: Male

Where I practice

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About me

Welcome to my Web page. I’m Dr. William Devor, and I’m assistant chief of the Neurology Department and chief of sleep medicine. I’m the senior neurologist in the Kaiser Permanente San Diego Medical Center’s Neurology Department. When I joined Kaiser Permanente in 1984, I was just the fifth neurologist to join our department. Our Neurology Department has grown steadily to our current staff of 13 neurologists and three nurse practitioners—all of whom are skilled, dedicated providers I feel privileged to work with.


Although I was born at Mercy Hospital in San Diego, I was raised in Los Angeles. I attended Paul Revere Junior High School and then Palisades High School. I graduated from UC Berkeley with a bachelor’s in biophysics and then went to UC San Francisco for medical school. I completed an internship in internal medicine at UC San Diego, and then completed a three-year residency in neurology, also at UC San Diego. I’m proud to have attended three of California’s finest universities.

About my practice

As a neurologist, I specialize in diagnosing and treating members with diseases of the nervous system. The nervous system includes the brain, spinal cord, peripheral nerves, and muscles. For over 25 years, I’ve been involved in the diagnosis and treatment of sleep disorders. After sleep medicine became a recognized medical subspecialty, I became board-certified in sleep medicine by the American Board of Psychiatry and Neurology in 2011. I now head the Sleep Clinic and Sleep Medicine Department. Within the Sleep Medicine Department, I’m joined by two superb sleep specialists from the Pulmonary Medicine Department. I also have the great privilege of working with specialists in voice disorders from the Head and Neck Surgery Department. Together, we treat speech disorders such as spasmodic dysphonia and voice tremors.

How I thrive

Living in the 21st century is stressful for all of us. The world is a much more crowded and competitive environment than it was when I was a young man. I believe exercise and time away from work to pursue other interests are critical to reduce life’s stresses. I enjoy tennis, music, woodworking, and classic car restoration. I have an enduring passion for the neurosciences, and an ongoing thirst for learning about how our nervous systems work. Kaiser Permanente has given me flexibility in my work schedule—time for continuing education, teaching—along with access to state of the art medical equipment and resources so I can continue to provide high quality care to my members.

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My office

Languages spoken by medical staff

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My provider type

Physicians and Surgeons

Medical groups and plans

Southern California Permanente Medical Group

List Header Plans Accepted
  • Exclusive Provider Organization (EPO)
  • HMO
  • Medi-Cal Managed Care
  • Point-of-Service Plan (POS)
  • Senior Advantage/Medicare Cost
Neurology Department
4405 Vandever Ave, San Diego, CA 92120

Contact information

  • Advice/appointments/cancellations/messages
  • 1-833-574-2273 (1-833-KP4CARE) (toll free)
  • California Relay Service
  • 711 (TTY for the hearing/speech impaired)
  • Operator/information
  • 1-833-574-2273 (1-833-KP4CARE) (toll free)
  • Pharmacy information/refills by phone
  • 1-866-451-4942 (toll free)

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My training, certifications and licensing

Medical school

UC San Francisco Medical Center
San Francisco , CA

Board certification


American Board of Psychiatry and Neurology

Sleep Medicine

American Board of Psychiatry and Neurology

Medical training



UC San Diego School of Medicine
San Diego , CA



UC San Diego School of Medicine
San Diego , CA

Joined Permanente Medical Group


Active license information

License number


License type


License issuing state


National Provider Identifier (NPI)

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My hospitals

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To find:

  • a provider's office hours, search our facility directory
  • providers in your plan or accepting new patients, call 1-800-464-4000 (toll free) or 711 (TTY for the hearing/speech impaired)

The information in this online directory is updated periodically. The availability of physicians, hospitals, providers, and services may change. Information about a practitioner is provided to us by the practitioner or is obtained as part of the credentialing process. If you have questions, please call us at 1-800-464-4000 (toll free). For the hearing and speech impaired: 1-800-464-4000 (toll free) or TTY 711 (toll free). You can also call the Medical Board of California at 916-263-2382, or visit their website.

We want to speak to you in the language that you’re most comfortable with when you call or visit us. Qualified interpreter services, including sign language, are available at no cost, 24 hours a day, 7 days a week during all hours of operations at all points of contact. We do not encourage the use of family, friends or minors as interpreters. Only the services of interpreters and qualified staff are used to provide language assistance. These may include bilingual providers, staff, and healthcare interpreters. In-person, telephone, video, and alternative modes of communication are available. Learn more about interpreter services

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Kaiser Permanente enrollees have full and equal access to covered services, including enrollees with disabilities as required under the Federal Americans with Disabilities Act of 1990 and Section 504 of the Rehabilitation Act of 1973.

Kaiser Permanente uses the same quality, member experience, or cost-related measures to select practitioners and facilities in Marketplace Silver-tier plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business.The measures may include, but are not limited to, HEDIS/CAHPS performance, member/patient complaints, patient safety scores, hospital quality measures, and geographic need. Members enrolled in KFHP Marketplace plans have access to all professional, institutional and ancillary health care providers who participate in KFHP plans’ contracted provider network, in accordance with the terms of members’ KFHP plan of coverage. All Kaiser Permanente Medical Group physicians and network physicians are subject to the same quality review processes and certifications.
Kaiser Permanente uses the same geographic distribution consideration to select hospitals in Marketplace plans as it does for all other Kaiser Foundation Health Plan (KFHP) products and lines of business. Accessibility of medical offices and medical centers in this directory: All Kaiser Permanente facilities are accessible to members.


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