Dr. Marsha Horwitz
- Gender: Female
- Experience: 46 years
- Graduated from: Loyola University Of Chicago, Stritch School Of Medicine
- Graduation year: 1975
- Sole propriator: No
- NPI: 1992757553
Dr. Marsha Horwitz M.D.
Neurologist
She is located at 1000 Langworthy Street in Dubuque, IA 52001. Can help patients with the following: Complex Regional Pain Syndrome, Dementia, Double Vision, Tinnitus, Transient Ischemic Attack (TIA), Wernicke-Korsakoff Syndrome. Her National Provider Identifier (NPI) number is 1992757553. Appointment can be made via the phone number (563) 584-3495. She is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. Marsha Horwitz, being an neurologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Marsha Horwitz.
- Alzheimer's Disease
- Amnesia
- Amyotrophic Lateral Sclerosis (ALS)
- Aphasia
- Autism
- Brain Aneurysm
- Brain Damage
- Brain Hemorrhage
- Cerebral Palsy (CP)
- Cervical Radiculopathy
- Charcot-Marie-Tooth Disease (CMT)
- Claudication
- Cluster Headaches
- Complex Regional Pain Syndrome
- Concussion
- Creutzfeldt-Jakob Disease (CJD)
- Degenerative Disc Disease (DDD)
- Dementia
- Double Vision
- Dyslexia
- Dystonia
- Early Onset Alzheimers
- Encephalitis
- Encephalopathy
- Epilepsy
- Face Blindness
- Fainting
- Febrile Seizure
- Guillain-Barre Syndrome (GBS)
- Head Injury
- Headache
- Herniated Disc
- Huntington's Disease (HD)
- Low Back Pain
- Lumbar Spinal Stenosis
- Mad Cow Disease
- Meningitis
- Meralgia Paresthetica
- Migraine
- Motion Sickness
- Multiple Sclerosis (MS)
- Myasthenia Gravis (MG)
- Myofascial Pain Syndrome (MPS)
- Nerve Damage
- Neuropathic Pain
- Optic Neuritis
- PANDAS
- Paralysis
- Parkinson's Disease
- Peripheral Nerve Injuries
- Peripheral Nerve Tumors
- Peripheral Neuropathy
- Pinched Nerve
- Polio
- Progressive Neurological Disorders
- Pseudotumor Cerebri
- Sciatica
- Seizures
- Stiff Person Syndrome (SPS)
- Stroke
- Tardive Dyskinesia
- Tension Headache
- Tics
- Tinnitus
- Tourette Syndrome
- Transient Ischemic Attack (TIA)
- Traumatic Brain Injury
- Tremor
- Trigeminal Neuralgia (TN)
- Vertigo
- Vestibular Testing
- Wernicke-Korsakoff Syndrome
Procedures Performed by Dr. Marsha Horwitz
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Marsha Horwitz as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Jan 16, 2024, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Standardtier | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Marsha Horwitz is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Marsha Horwitz is enrolled to bill Medicare as a Practitioner - Neurology .
Bills through: Medical Associates Clinic P C
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Genentech | $87 |
Other
| Food and Beverage | $88 |
Studies
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated in 1975
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Questions & Answers
Has Dr. Marsha Horwitz affiliation with hospitals?
Dr. Marsha Horwitz is affiliated with MERCY MEDICAL CENTER-DUBUQUE.
Does Dr. Marsha Horwitz accept patients with Medica?
Yes, Dr. Marsha Horwitz is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Marsha Horwitz?
Dr. Marsha Horwitz's office is located at 1000 Langworthy Street in Dubuque, IA 52001.
What conditions does Dr. Marsha Horwitz treat?
Dr. Marsha Horwitz provides treatment for Complex Regional Pain Syndrome, Dementia, Double Vision, Tinnitus, Transient Ischemic Attack (TIA), Wernicke-Korsakoff Syndrome. For the full list see this list.
Does Dr. Marsha Horwitz have affiliation with practices?
Dr. Marsha Horwitz is affiliated with Tri-State Surgery Center. For the full list of practices see this list.