Dr. Ioana Marcu
Last updated: Mar 11, 2026

Dr. Ioana Marcu

  • Gender: Female
  • Experience: 5 years
  • Graduated from: Saint Louis University School Of Medicine
  • Graduation year: 2016
  • Sole propriator: No
  • NPI: 1316393473

Dr. Ioana Marcu MD

Obstetrician and Gynecologist

She is located at 621 South New Ballas Road Suite 499A in Saint Louis, MO 63141. Can help patients with the following: Endometriosis, Labor and Birth, Sexually Transmitted Diseases (STDs), Trichomoniasis, Urinary Tract Infection (UTI), Yeast Infection. Her National Provider Identifier (NPI) number is 1316393473. Appointment can be made via the phone number (314) 251-7650. She is affiliated with 1 practices.

Conditions treated

Dr. Ioana Marcu, being an obstetrician and gynecologist, 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. Ioana Marcu.

  • Amenorrhea
  • Bacterial Vaginosis
  • Birth Control Counseling
  • Blood in Urine
  • Braxton Hicks Contractions
  • Breast Cancer
  • Breastfeeding
  • Breastfeeding and Lactation
  • Cancer
  • Cervical Cancer
  • Cervical Intraepithelial Neoplasia (CIN)
  • Chlamydia
  • Ectopic Pregnancy
  • Endometriosis
  • Fibrocystic Breast Disease
  • Gestational Diabetes
  • Group B Streptococcal Infection (GBS)
  • Gynecological Exam
  • High Blood Pressure
  • Hot Flashes
  • Human Papillomavirus (HPV)
  • Infertility
  • Labor and Birth
  • Menopause
  • Menstrual Cramps
  • Miscarriage
  • Morning Sickness
  • Osteoporosis
  • Ovarian Cancer
  • Ovarian Cysts
  • Overactive Bladder (OAB)
  • Pelvic Inflammatory Disease (PID)
  • Pelvic Pain
  • Perimenopause
  • Placenta Previa
  • Polycystic Ovary Syndrome (PCOS)
  • Preeclampsia and Eclampsia
  • Pregnancy
  • Premature Ovarian Failure (POF)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Premenstrual Syndrome (PMS)
  • Prenatal Care
  • Sexually Transmitted Diseases (STDs)
  • Trichomoniasis
  • Urinary Incontinence (UI)
  • Urinary Retention
  • Urinary Tract Infection (UTI)
  • Uterine Cancer
  • Uterine Fibroids
  • Uterine Growths
  • VBAC
  • Vaginal Atrophy and Dryness
  • Vaginal Bleeding
  • Vaginal Cancer
  • Vaginal Pain
  • Vaginitis
  • Women's Health
  • Yeast Infection

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ioana Marcu as in-network for the following 2026 plans.

Health plans

Ambetter Health

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

Show all 16 plans from Ambetter Health
Ambetter Health plans
Plan Plan type Network tier New patients
Complete Gold EPO · Gold Preferred Accepting new patients
Complete Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Complete Silver EPO · Silver Preferred Accepting new patients
Complete Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Elite Bronze EPO · Expanded Bronze Preferred Accepting new patients
Elite Bronze + Vision + Adult Dental EPO · Expanded Bronze Preferred Accepting new patients
Everyday Bronze EPO · Expanded Bronze Preferred Accepting new patients
Everyday Bronze + Vision + Adult Dental EPO · Expanded Bronze Preferred Accepting new patients
Everyday Gold EPO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Expanded Bronze EPO · Expanded Bronze Preferred Accepting new patients
Standard Expanded Bronze + Vision + Adult Dental EPO · Expanded Bronze Preferred Accepting new patients
Standard Gold EPO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Silver EPO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients

Anthem Blue Cross and Blue Shield

Network data as of Mar 26, 2026, as reported by the insurer.

Show all 10 plans from Anthem Blue Cross and Blue Shield
Anthem Blue Cross and Blue Shield plans
Plan Plan type Network tier New patients
Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Bronze Participating Accepting new patients
Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Catastrophic Pathway (+ Incentives) EPO · Catastrophic Participating Accepting new patients
Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Gold Participating Accepting new patients
Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Expanded Bronze Participating Accepting new patients
Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients
Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) EPO · Silver Participating Accepting new patients

Medica

Network data as of Jul 13, 2026, as reported by the insurer.

Show all 9 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

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. Ioana Marcu 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. Ioana Marcu is enrolled to bill Medicare as a Practitioner - Obstetrics/gynecology .

Bills through: Mercy Clinic Surgical Specialists Llc

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.

Payments received

Drug payment

Medical Device Business Services $30

Other

Food and Beverage $31

Studies

SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Graduated in 2016

Additional Specialities

  • Resident

Affiliated practices

SSM Health St. Mary's Hospital of St. Louis
6420 Clayton Road
St. Louis, 63117 MO
(314) 768-8000

Looking for more Obstetrician and Gynecologists?

Out of the 99 obstetrician and gynecologists in this region, here are 10 randomly selected ones for you to explore.

Dr. James Thomas Barber
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Dr. Cynthia J. Mueller
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Dr. Jennifer Mary Gassner
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Dr. Alexander Jon Christensen
  • Gender: Male
  • Address: 615 South New Ballas Road Saint Louis, 63141, MO
Dr. Anya Veremakis
  • Gender: Female
  • Address: 10012 Kennerly Road Suite 405 Saint Louis, 63128, MO
Dr. Sue A. Moore
  • Gender: Female
  • Address: Suite 2009B 621 South New Ballas Road Saint Louis, 63141, MO
Dr. Joseph Polcaro
  • Gender: Male
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Dr. Jessica Jenkins
  • Gender: Female
  • Address: 107 Dilworth Street Glendive, 59330, MT
Dr. Taylor Veh
  • Gender: Female
  • Address: 621 South New Ballas Road Suite 695A Saint Louis, 63141, MO
Dr. Barbara Voss Walsh
  • Gender: Female
  • Address: 456 North New Ballas Road Suite 369 Saint Louis, 63141, MO

Questions & Answers

Where can you meet with Dr. Ioana Marcu?

Dr. Ioana Marcu's office is located at 621 South New Ballas Road Suite 499A in Saint Louis, MO 63141.

Does Dr. Ioana Marcu accept insurance?

Dr. Ioana Marcu is listed in-network for 48 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter Health, Anthem Blue Cross and Blue Shield, Medica, UnitedHealthcare. See the Marketplace plans section for details.

What conditions does Dr. Ioana Marcu treat?

Dr. Ioana Marcu provides treatment for Endometriosis, Labor and Birth, Sexually Transmitted Diseases (STDs), Trichomoniasis, Urinary Tract Infection (UTI), Yeast Infection. For the full list see this list.

Does Dr. Ioana Marcu have affiliation with practices?

Dr. Ioana Marcu is affiliated with SSM Health St. Mary's Hospital of St. Louis.