Hope is the beginning.
Two fellowship-trained headache neurologists caring for adults with migraine, cluster headache, facial and nerve pain, memory concerns and other neurologic conditions.
Most insurance, Medicare & Medicaid accepted · Adults 18+
Fellowship-trained in headache medicineBoth of our physicians
Board certifiedHeadache medicine and general neurology
Connected recordsAccess to most SSM, Mercy, and BJC records
Video follow-up visitsSubject to availability
Insurance acceptedMost major plans, Medicare & Medicaid
What we treat
Specialist care for headache and the whole nervous system
Migraine & chronic headache
Diagnosis, preventive and acute treatment plans, Botox and nerve blocks.
Learn more →Cluster headache
Fast-acting and preventive treatment for cluster and related headaches, including hemicrania continua.
Learn more →Facial & nerve pain
Trigeminal neuralgia, occipital neuralgia and other nerve pain of the head and face.
Learn more →Memory & dementia
Evaluation and care for memory loss, Alzheimer's, Lewy body and frontotemporal dementia.
Learn more →Epilepsy, MS & movement
Seizures, multiple sclerosis, Parkinson's disease, essential tremor and more.
Learn more →Neuropathy & nerve disorders
Peripheral neuropathy, carpal tunnel, myasthenia gravis, Bell's palsy, stroke follow-up.
Learn more →Don't see your condition? Call (636) 425-4673 and we'll let you know if we can help. We see adults 18 and older. We do not provide independent medical exams (IMEs) or court-related assessments.
In-office procedures
Treatment and testing, right here in the clinic
Procedures are done in our office by the same doctors who know your history.
Meet your doctors
Local doctors, raised in St. Louis

Andrew Dawson, D.O.
Headache specialist · Neurologist
- Headache fellowship, Johns Hopkins
- Board certified in headache medicine (UCNS)
- Board certified in neurology (ABPN, AOBNP)
Divya Sivakumar, D.O.
Headache specialist · Neurologist
- Headache fellowship, Medical College of Wisconsin
- Board certified in headache medicine
- Board certified in neurology (ABPN, AOBNP)
Proudly independent
Member of the Alliance of Independent Physicians – St. Louis
We're physician-owned. AIP connects St. Louis patients with independent doctors who offer accessible, affordable, high-quality care.
New patients
Your first visit in 3 easy steps
Call to schedule
Call (636) 425-4673 to book your first visit.
Complete your forms
Pick the new patient form that fits your visit and bring it with you.
Visit us
New visits are in person. Follow-ups are usually in person; a limited number of video visits may be available.
Visit us
Easy to find in Lake Saint Louis
2300 HRC Plaza Dr
Lake Saint Louis, MO 63367
Directly behind Great Southern Bank, off Freymuth Road.
Phone: (636) 425-4673
Fax: (636) 898-8198
Hours: Monday–Friday, 8 am – 4 pm
