Dr. Mark H. Hoofnagle
- Gender: Male
- Experience: 12 years
- Graduated from: University Of Virginia School Of Medicine
- Graduation year: 2009
- Sole propriator: No
- NPI: 1033344759
Dr. Mark H. Hoofnagle MD
Surgeon
He is located at 1 Barnes Jewish Hospital Plaza Div Surg Accs in Saint Louis, MO 63110. Can help patients with the following: Asthma, Colon Cancer, Gallstones, Inguinal Hernia, Peptic Ulcer, Pilonidal Cyst. His National Provider Identifier (NPI) number is 1033344759. Appointment can be made via the phone number (314) 362-5298. He is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. Mark Houston Hoofnagle, 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. Mark H. Hoofnagle.
- Abdominal Pain
- Achalasia
- Acute Pain
- Anal Fissure
- Anemia
- Appendicitis
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Boils
- Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Colon Cancer
- Common Cold
- Constipation
- Crohn's Disease
- Cyst
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Enlarged Spleen
- Esophageal Cancer
- Fever
- Gallstones
- Gangrene
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hemorrhoids
- Hernia
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Lymphedema
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Prescription Refill
- Sebaceous Cyst
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark H. Hoofnagle as in-network for the following 2026 plans.
Health plans
Cox HealthPlans
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 7 plans from Cox HealthPlans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Cox HealthPlans Bronze Expanded Standard | EPO · Expanded Bronze | EPO | Accepting new patients |
| Cox HealthPlans Bronze Preferred | EPO · Bronze | EPO | Accepting new patients |
| Cox HealthPlans Gold Preferred | EPO · Gold | EPO | Accepting new patients |
| Cox HealthPlans Gold Standard | EPO · Gold | EPO | Accepting new patients |
| Cox HealthPlans Silver Connect | EPO · Silver | EPO | Accepting new patients |
| Cox HealthPlans Silver Preferred | EPO · Silver | EPO | Accepting new patients |
| Cox HealthPlans Silver Standard | EPO · Silver | EPO | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | EPO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard+ (Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | 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. Mark H. Hoofnagle 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. Mark H. Hoofnagle is enrolled to bill Medicare as a Practitioner - General Surgery (also registered under: Practitioner - Critical Care (intensivists)) .
Bills through: Washington University
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated in 2009Additional Specialities
- Internist
Affiliated hospitals
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- Address: 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
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- Address: 1 Barnes Jewish Hospital Plaza Saint Louis, 63110, MO
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Questions & Answers
What conditions does Dr. Mark Houston Hoofnagle treat?
Dr. Mark Houston Hoofnagle provides treatment for Asthma, Colon Cancer, Gallstones, Inguinal Hernia, Peptic Ulcer, Pilonidal Cyst. For the full list see this list.
Does Dr. Mark Houston Hoofnagle have affiliation with practices?
Dr. Mark Houston Hoofnagle is affiliated with Cohen Eye Associates, Limited.
Does Dr. Mark Houston Hoofnagle accept patients with UnitedHealthcare?
Yes, Dr. Mark Houston Hoofnagle is listed in-network for UnitedHealthcare through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Mark Houston Hoofnagle affiliation with hospitals?
Dr. Mark Houston Hoofnagle is affiliated with BARNES JEWISH HOSPITAL. For the full list of hospitals see this list.
Where can you meet with Dr. Mark Houston Hoofnagle?
Dr. Mark Houston Hoofnagle's office is located at 1 Barnes Jewish Hospital Plaza Div Surg Accs in Saint Louis, MO 63110.