Neurology at Antioch Medical Center
Neurology • Antioch, CA
Clinic Type
Neurology
Address
4501 Sand Creek Rd, Sand Creek Medical Offices, 4th Floor, Antioch, CA 94531
Phone
925-813-3840
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Opening Hours
Monday through Friday, 8:30 a.m. to 5 p.m.
Services Offered
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Insurance & Payment
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Languages Spoken
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FAQs
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.
Interpreter services are available at no cost, 24/7 during all hours of operation, including sign language; in-person, telephone, video, and alternative modes of communication are available.
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
If you have questions, call 1-800-464-4000 (toll free). Hearing/speech impaired: 1-800-464-4000 or TTY 711.
Medicare Members: To request a hard copy of Kaiser Permanente’s provider directory, please call our Member Services department at 1-800-443-0815, seven days a week, 8 a.m. to 8 p.m. Kaiser Permanente will mail a hard copy of the provider directory to you within three (3) business days of your request. Kaiser Permanente may ask whether your request for a hard copy is a one-time request or if you are requesting
Medicare provider directory requests: call 1-800-443-0815, 7 days a week, 8 a.m.–8 p.m.; hard copies mailed within 3 business days.
www.Medi-CalRx.dhcs.ca.gov. You can also call Medi-Cal Rx Customer Service at 1-800-977-2273, 24 hours a day, 7 days a week (TTY 711 Monday through Friday, 8 a.m. to 5 p.m.).
Medi-Cal Rx: 1-800-977-2273, 24/7; TTY 711 M-F 8a-5p.
Social Media
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What Patients Say
Overall sentiment across review platforms: mixed
- Healthgrades (Dr. John Karan): 1.6/5 stars (11 reviews) (11)
- WebMD (Dr. John Karan): 2.0/5 stars (13)
- Healthgrades (Dr. Jessica Weinstein): 5.0/5 stars (1 review) (1)
- HospitalStats.org (Kaiser Antioch): Average (N/A)
Patients praise
- some clinicians noted for being kind, attentive, and thorough
- integrated and coordinated care approach for complex procedures
- positive feedback for specific nursing and medical support staff
Common complaints
- long wait times and appointment delays
- unprofessional or rude administrative/front desk staff
- disorganized office processes (e.g., failed referrals, lack of communication)
- concerns regarding patient privacy and HIPAA standards
- instances of doctors not listening or rushing appointments
"For over 5 months I called again again the front desk lady at delta neurology working for Dr John Karan and my call was either put on hold or was asked to wait for their call to send the referral and after chasing 6months I was still not given any solution."
— Healthgrades review of Dr. John Karan"During my visit, my protected health information, including my full name, insurance, and PCP was shouted across the waiting room by the receptionist while other patients were in the office."
— WebMD review of Dr. John Karan"A friend rexonnended her she is kind but to the poit"
— Healthgrades review of Dr. Jessica WeinsteinSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Fall risk education bundle | KP Antioch Medical Center Hospital Annual Nursing Report 2025 | Kaiser Permanente — Jan 25, 2026
- The impact of Healing Circles on nurses | KP Antioch Medical Center Hospital Annual Nursing Report 2025 | Kaiser Permanente — Jan 25, 2026
- Primary Care Expands in Brentwood with New Care Center | Vitals — Apr 29, 2026
- Dr. Nadine H. Yassa, MD - Neurologist in Roseville, CA — May 14, 2026
- Sutter Hospitals honored by Leapfrog for Safe Patient Care | Antioch Herald — Nov 1, 2025
Information sourced from the clinic's website as of July 11, 2026.
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