Catherine O\'Sullivan
Last updated: Jul 29, 2026

Catherine O\'Sullivan

  • Gender: Female
  • Sole propriator: No
  • NPI: 1184160285

Catherine O\'Sullivan MSW, LCSW

Clinical Social Worker

She is located at 1001 Lynch Street in Saint Louis, MO 63118. Can help patients with the following: Anxiety, Depression, Isolation, Online Therapy, School Issues, Stress. Her National Provider Identifier (NPI) number is 1184160285. Appointment can be made via the phone number (314) 535-5600. She is affiliated with 1 practices.

Conditions treated

Catherine O'Sullivan, being an clinical social worker, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Catherine O\'Sullivan.

  • Anxiety
  • Depression
  • Grief
  • Isolation
  • Online Therapy
  • Parenting
  • Relationship Issues
  • School Issues
  • Self-Esteem
  • Stress
  • Trauma

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Catherine O\'Sullivan as in-network for the following 2026 plans.

Health plans

Medica

Network data as of Aug 1, 2026, as reported by the insurer.

Show all 9 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Medica with SSM Health Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Medica with SSM Health Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Medica with SSM Health Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Medica with SSM Health Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Medica with SSM Health Gold Share EPO · Gold Preferred Accepting new patients
Medica with SSM Health Gold Standard EPO · Gold Preferred Accepting new patients
Medica with SSM Health Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Medica with SSM Health Silver Share EPO · Silver Preferred Accepting new patients
Medica with SSM Health Silver Standard EPO · Silver Preferred Accepting new patients

Medica

Network data as of Jul 1, 2026, as reported by the insurer.

Show all 27 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Balance by Medica Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Bronze Premier EPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Balance by Medica Gold Share EPO · Gold Preferred Accepting new patients
Balance by Medica Gold Standard EPO · Gold Preferred Accepting new patients
Balance by Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Balance by Medica Silver Share EPO · Silver Preferred Accepting new patients
Balance by Medica Silver Standard EPO · Silver Preferred Accepting new patients
Medica with MU Health Care Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Medica with MU Health Care Bronze Premier EPO · Expanded Bronze Preferred Accepting new patients
Medica with MU Health Care Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Medica with MU Health Care Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Medica with MU Health Care Gold Share EPO · Gold Preferred Accepting new patients
Medica with MU Health Care Gold Standard EPO · Gold Preferred Accepting new patients
Medica with MU Health Care Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Medica with MU Health Care Silver Share EPO · Silver Preferred Accepting new patients
Medica with MU Health Care Silver Standard EPO · Silver Preferred Accepting new patients
Select by Medica Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferred Accepting new patients
Select by Medica Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Select by Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Select by Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Select by Medica Gold Share EPO · Gold Preferred Accepting new patients
Select by Medica Gold Standard EPO · Gold Preferred Accepting new patients
Select by Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Select by Medica Silver Share EPO · Silver Preferred Accepting new patients
Select by Medica Silver Standard EPO · Silver Preferred Accepting new patients

Oscar Insurance Company

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 11 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Bronze Classic 4700 EPO · Expanded Bronze Preferred Accepting new patients
Bronze Classic Standard EPO · Expanded Bronze Preferred Accepting new patients
Bronze Elite + PCP Saver Plus EPO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Diabetes EPO · Expanded Bronze Preferred Accepting new patients
Gold Classic Standard EPO · Gold Preferred Accepting new patients
Gold Simple EPO · Gold Preferred Accepting new patients
Silver Classic Standard EPO · Silver Preferred Accepting new patients
Silver Elite Saver Plus EPO · Silver Preferred Accepting new patients
Silver Simple Diabetes EPO · Silver Preferred Accepting new patients
Silver Simple PCP Saver EPO · Silver Preferred Accepting new patients
Silver Simple Women's Health with Menopause Benefits EPO · Silver Preferred 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 Catherine O\'Sullivan 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

Catherine O\'Sullivan is enrolled to bill Medicare as a Practitioner - Clinical Social Worker .

Bills through: Places For People 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.

Affiliated practices

Places for People
4130 Lindell Boulevard
St. Louis, 63108 MO
(314) 535-5600

Looking for more Clinical Social Workers?

Out of the 10 clinical social workers in this region, here are 10 randomly selected ones for you to explore.

Erica Lynn Braun
  • Gender: Female
  • Address: 2702 Macklind Avenue Saint Louis, 63139, MO
Charles G. Freesmeier
  • Gender: Male
  • Address: 3528 Halliday Avenue Saint Louis, 63118, MO
Amanda Wylie
  • Gender: Female
  • Address: Madigan Army Medical Center 9040 Jackson Avenue Tacoma, 98431, WA
Cristina Cousins
  • Gender: Female
  • Address: 1902 Arsenal Street Suite 240 Saint Louis, 63118, MO
Jason Eccker
  • Gender: Male
  • Address: 2702 Macklind Avenue Saint Louis, 63139, MO
Myra G. Stanley
  • Gender: Female
  • Address: 3800 South Broadway Saint Louis, 63118, MO
Jennifer Ann Scott
  • Gender: Female
  • Address: 1902 Arsenal Street Suite 240 Saint Louis, 63118, MO
Maureen A. Downs
  • Gender: Female
  • Address: 3800 South Broadway Saint Louis, 63118, MO
Barbara K. Allan
  • Gender: Female
  • Address: 3930 South Broadway Saint Louis, 63118, MO
Laura B. Snell
  • Gender: Female
  • Address: 498 Chalan Palosyo Agana Heights, 96910, GU

Questions & Answers

Does Catherine O'Sullivan accept insurance?

Catherine O'Sullivan is listed in-network for 60 ACA Marketplace (Obamacare/HealthCare.gov) plans from Medica, Oscar Insurance Company, UnitedHealthcare. See the Marketplace plans section for details.

Where can you meet with Catherine O'Sullivan?

Catherine O'Sullivan's office is located at 1001 Lynch Street in Saint Louis, MO 63118.

Does Catherine O'Sullivan have affiliation with practices?

Catherine O'Sullivan is affiliated with Places for People.

What conditions does Catherine O'Sullivan treat?

Catherine O'Sullivan provides treatment for Anxiety, Depression, Isolation, Online Therapy, School Issues, Stress. For the full list see this list.