Neurologist

William S Baek, M.D..

630 N 13th Ave, Suite B, Upland, California, 91786-4975

About William S Baek

William S Baek is a neurologist based in Upland, California who is specialized in Neurology. Active license number of William S Baek is A91283 for Neurology in California. His current practice location is 630 N 13th Ave, Suite B, Upland. Patients can reach him at 909-982-2719 or can fax him at 909-946-9931. William S Baek is M.D.. in Neurology and his NPI number (Unique professional ID assigned by NPPES) is 1326095977.

William S Baek specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Practice Information

William S Baek speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William S Baek
Specialization Neurology
Credentials M.D..
Gender Male
Practice Address: 630 N 13th Ave, Suite B
Upland, CA - 91786-4975
Fax 909-946-9931

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1326095977
NPI Enumeration Date: 28 May, 2006
NPI Last Update On: 06 Feb, 2012

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William S Baek are as mentioned below.

License NumberSpecializationStateStatus
A91283Neurology CaliforniaPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

William S Baek
630 N 13th Ave, Suite B
Upland, CA - 91786-4975
Phone: 909-982-2719
Fax: 909-946-9931

Book an Appointment with William S Baek

To schedule an appointment, contact William S Baek at 630 N 13th Ave, Suite B, Upland, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William S Baek:

Dr. William S Baek is a neurologist specializing in Neurology. He specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Yes, Dr. William S Baek is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Dr. William S Baek practices at 630 N 13th Ave, Suite B, Upland, California, 91786-4975.

To schedule an appointment with Dr. William S Baek, please contact the office at 909-982-2719.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.