Dr. Alaina Justine Kessler
Dr. Alaina J. Kessler
Last updated: Jun 6, 2025

Dr. Alaina J. Kessler

  • Gender: Female
  • Sole propriator: No
  • NPI: 1043697063

Dr. Alaina J. Kessler

Hospitalist

She is located at 1 Barnes Jewish Hospital Plaza Div Im Medical Oncology in Saint Louis, MO 63110. Can help patients with the following: Constipation, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Hyponatremia, Prescription Refill, Urethritis. Her National Provider Identifier (NPI) number is 1043697063. Appointment can be made via the phone number (800) 647-2098.

Conditions treated

Dr. Alaina Justine Kessler, being an hospitalist, 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. Alaina J. Kessler.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Alaina J. Kessler 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
Cox HealthPlans plans
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
UnitedHealthcare plans
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. Alaina J. Kessler is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Alaina J. Kessler is enrolled to bill Medicare as a Practitioner - Medical Oncology (also registered under: Practitioner - Internal Medicine, Practitioner - Hospitalist) .

Bills through: Icahn School Of Medicine At Mount Sinai

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.

Additional Specialities

  • Internist
  • Resident

Looking for more Hospitalists?

Out of the 188 hospitalists in this region, here are 10 randomly selected ones for you to explore.

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Dr. Kamal Hanee Henderson
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Dr. Gian Marco Musarra
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Dr. Colleen Maire Wallace
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Dr. Mark Norman Woolley
  • Gender: Male
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Dr. Heidi Morgan Griffiths
  • Gender: Female
  • Address: 1 Childrens Place Saint Louis, 63110, MO

Questions & Answers

Does Dr. Alaina Justine Kessler accept insurance?

Dr. Alaina Justine Kessler is listed in-network for 20 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cox HealthPlans, UnitedHealthcare. See the Marketplace plans section for details.

What conditions does Dr. Alaina Justine Kessler treat?

Dr. Alaina Justine Kessler provides treatment for Constipation, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Hyponatremia, Prescription Refill, Urethritis. For the full list see this list.

Where can you meet with Dr. Alaina Justine Kessler?

Dr. Alaina Justine Kessler's office is located at 1 Barnes Jewish Hospital Plaza Div Im Medical Oncology in Saint Louis, MO 63110.