Summary

Dr. William Baek is a neurologist who brings 27 years of experience to his practice in Southern California. He earned his medical degree from Seoul National University College of Medicine, providing him with a strong foundation in neurological care. Dr. Baek is fluent in both Spanish and English, allowing him to serve diverse patient populations throughout the region.

Dr. Baek maintains affiliations with Montclair Hospital Medical Center and San Antonio Regional Hospital, with practice locations in Upland and Montclair, California. His expertise includes treating complex neurological conditions such as myasthenia gravis and addressing back pain in specialized populations, including pregnant women and young patients. He offers comprehensive treatment approaches that may include physical therapy and strength training programs. Patients have given him an average rating of 4.4 stars, reflecting their confidence in his neurological care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 27 years of experience
  • 46 insurance plans accepted
  • speaks Spanish, English
  • Seoul National University College Of Medicine
  • 8 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. William Sewan Baek has 3 locations

Parkside Medical Group Inc

1310 San Bernardino Rd Ste 102Upland, CA 91786
Mon9:00 am - 5:30 pm
Tue9:00 am - 5:30 pm
Wed9:00 am - 5:30 pm
Thu9:00 am - 5:30 pm
Fri9:00 am - 5:30 pm
SatClosed
SunClosed

Montclair Hospital Medical Center

5000 San Bernardino StMontclair, CA 91763

San Antonio Regional Hospital

999 San Bernardino RdUpland, CA 91786

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Dr. William Sewan Baek, MDDr. Mariana Schmajuk, MDDr. Belma Sadikovic, MDDr. Ali Elahi, MD
NeurologyNeurologyNeurologyNeurology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
3.3 
27 Years of Experience 14 Years of Experience 15 Years of Experience 26 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English, Spanish Speaks English Speaks English, German, Persian, Spanish
Upland , CAPalo Alto , CAWalnut Creek , CACORONA DEL MAR , CA
Med School: Seoul National University College Of Medicine Med School: Columbia University Presbyterian Hospital - New York, NY Med School: University Of California Davis School Of Medicine Med School: University Of Pittsburgh School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. William Sewan Baek

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - POS
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AlphaCare
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Anthem Blue Cross - HMO
  • Blue Cross Blue Shield of Illinois
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CareMore
  • Cigna
  • First Health (Coventry Health Care)
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Magellan Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Molina Healthcare
  • Oscar Health Insurance
  • Parkland Community Health Plan
  • Regence BlueShield
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • SelectHealth
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • Wellcare

Medical Specialties

Dr. William Sewan Baek has the following specialty

Specialty Expertise

Dr. William Sewan Baek has the following 12 areas of expertise

  • Alzheimer's Disease
  • Electromyography
  • Epilepsy
  • Headache
  • Hemifacial Spasm
  • Migraine Disorder
  • Migraine Disorders
  • Multiple Sclerosis (MS)
  • Muscle Spasticity
  • Myotonic Dystrophy
  • Nerve Conduction Studies
  • Stroke

Certifications, License, & Education

27 Years Experience

Dr. William Sewan Baek holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Medical School

Graduated from Seoul National University College Of Medicine in 1999.

NPI Number

Dr. Baek's NPI number is 1326095977.

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Frequently Asked Questions

Is Dr. William Baek accepting new patients?
Dr. William Baek is accepting new patients on Vitals. View Dr. William Baek's profile on Vitals to make an appointment.
Does Dr. William Baek accept virtual/telehealth appointments?
Dr. William Baek has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. William Baek?
You can find contact information for Dr. William Baek here on Vitals.
Where is Dr. William Baek's office located?
Dr. William Baek's office is located at 1310 San Bernardino Rd Ste 102, Upland, CA, 91786.
Does Dr. William Baek accept my insurance?
You can see the insurance plans that Dr. William Baek accepts on their Vitals profile.

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