Dr. Katherine T. O\'Brien
- Gender: Female
- Experience: 8 years
- Graduated from: Georgetown University School Of Medicine
- Graduation year: 2013
- Sole propriator: Yes
- NPI: 1033452479
Dr. Katherine T. O\'Brien MD
Geriatrician
She is located at 1 Barnes Jewish Hospital Plaza Div Im Palliative Medicine in Saint Louis, MO 63110. Can help patients with the following: Bone Loss, Cognitive Decline, Fecal Incontinence, High Blood Pressure, Inguinal Hernia, Nausea and Vomiting. Her National Provider Identifier (NPI) number is 1033452479. Appointment can be made via the phone number (314) 454-7376. She also has a website where you can get more information. The website can be found at https://www.nm.org/doctors/1033452479/Katherine-O'Brien-MD. She is affiliated with 1 hospitals.
Conditions treated
Dr. Katherine T. O\'Brien, being an geriatrician, 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. Katherine T. O\'Brien.
- Abdominal Pain
- Acute Pain
- Aging In Place
- Alzheimer's Disease
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Balance Issues
- Bladder Control
- Bone Loss
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cognitive Decline
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fatigue
- Fecal Incontinence
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hip Bursitis
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Low Back Pain
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Progressive Neurological Disorders
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Katherine T. O\'Brien 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. Katherine T. O\'Brien 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. Katherine T. O\'Brien is enrolled to bill Medicare as a Practitioner - Geriatric Medicine (also registered under: Practitioner - Internal Medicine, Practitioner - Hospice/palliative Care) .
Bills through: Journeycare, Inc
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
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2013Other ways to reach out
- Website: https://www.nm.org/doctors/1033452479/Katherine-O'Brien-MD
Additional Specialities
- Internist
Looking for more Geriatricians?
Out of the 15 geriatricians in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Div Im Geriatrics, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: 1 Veterans Drive Minneapolis, 55417, MN
- Gender: Male
- Address: Dept Psychiatry, Ste 122 600 South Taylor Avenue Saint Louis, 63110, MO
- Gender: Male
- Address: 3660 Vista St Louis, 63110, MO
- Gender: Female
- Address: 3660 Vista Avenue Saint Louis, 63110, MO
- Gender: Female
- Address: Div Im Geriatrics, Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: Ste 5C 4921 Parkview Place Saint Louis, 63110, MO
- Gender: Male
- Address: Room 204 3660 Vista Avenue Saint Louis, 63110, MO
- Gender: Female
- Address: 3660 Vista Avenue # 2104 Saint Louis, 63110, MO
- Gender: Male
- Address: 3660 Vista St Louis, 63110, MO
Questions & Answers
Has Dr. Katherine T. O\'Brien affiliation with hospitals?
Dr. Katherine T. O\'Brien is affiliated with NORTHWESTERN MEMORIAL HOSPITAL.
What conditions does Dr. Katherine T. O\'Brien treat?
Dr. Katherine T. O\'Brien provides treatment for Bone Loss, Cognitive Decline, Fecal Incontinence, High Blood Pressure, Inguinal Hernia, Nausea and Vomiting. For the full list see this list.
Where can you meet with Dr. Katherine T. O\'Brien?
Dr. Katherine T. O\'Brien's office is located at 1 Barnes Jewish Hospital Plaza Div Im Palliative Medicine in Saint Louis, MO 63110.
Does Dr. Katherine T. O\'Brien accept insurance?
Dr. Katherine T. O\'Brien is listed in-network for 20 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cox HealthPlans, UnitedHealthcare. See the Marketplace plans section for details.