Dr. Marilyn Marx
- Gender: Female
- Experience: 41 years
- Graduated from: Rush Medical College Of Rush University
- Graduation year: 1980
- Sole propriator: No
- NPI: 1316046329
Dr. Marilyn Marx M.D., M.B.A.
Surgeon
She is located at 301 University Boulevard in Galveston, TX 77555. Can help patients with the following: Enlarged Spleen, Esophageal Cancer, Gangrene, Heart Disease, Hemorrhoids, Inflammatory Bowel Disease (IBD). Her National Provider Identifier (NPI) number is 1316046329. Appointment can be made via the phone number (409) 747-7359.
Conditions treated
Dr. Marilyn Marx, being an surgeon, 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. Marilyn Marx.
- Achalasia
- Anal Fissure
- Appendicitis
- Boils
- Cancer
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Ulcerative Colitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Marilyn Marx as in-network for the following 2026 plans.
Health plans
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 12 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Simple Chronic Care CKM | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Bronze Simple Diabetes | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Gold Classic | EPO · Gold | Preferred | Not accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Not accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Not accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Not accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Not accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Not 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. Marilyn Marx is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Payments received
Drug payment
| Mallinckrodt | $116 |
Other
| Food and Beverage | $116 |
Studies
RUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
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Questions & Answers
Does Dr. Marilyn Marx accept insurance?
Dr. Marilyn Marx is listed in-network for 12 ACA Marketplace (Obamacare/HealthCare.gov) plans from Oscar Insurance Company. See the Marketplace plans section for details.
What conditions does Dr. Marilyn Marx treat?
Dr. Marilyn Marx provides treatment for Enlarged Spleen, Esophageal Cancer, Gangrene, Heart Disease, Hemorrhoids, Inflammatory Bowel Disease (IBD). For the full list see this list.
Where can you meet with Dr. Marilyn Marx?
Dr. Marilyn Marx's office is located at 301 University Boulevard in Galveston, TX 77555.