Dr. Heidi St. Peter M.D.
Pediatrician
She is located at 232 South Woods Mill Road in Chesterfield, MO 63017. Can help patients with the following: Anencephaly, Childhood Behavioral and Emotional Disorders, Developmental Delays, Enuresis, Noonan Syndrome, Speech Disorders. Her National Provider Identifier (NPI) number is 1902912447. Appointment can be made via the phone number (314) 542-4897.
Conditions treated
Dr. Heidi St Peter, being an pediatrician, 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. Heidi St. Peter.
- Abdominal Pain
- Allergic Reaction
- Anemia
- Anencephaly
- Asthma
- Autism
- Bee and Wasp Stings
- Birth Defects
- Bronchitis
- Cerebral Palsy (CP)
- Childhood Behavioral and Emotional Disorders
- Childhood Obesity
- Chronic Cough
- Cleft Palate and Cleft Lip
- Colic
- Common Cold
- Croup
- Developmental Delays
- Down Syndrome
- Dyslexia
- Eczema
- Edwards Syndrome
- Enuresis
- Fetal Alcohol Syndrome (FAS)
- Fever
- Food Poisoning
- Fragile X Syndrome (FXS)
- General Care
- Hay Fever
- Head Lice
- Headache
- Hives
- Infant Care
- Influenza
- Jaundice
- Kawasaki Disease
- Learning Disability
- Migraine
- Muscular Dystrophy
- Nausea and Vomiting
- Noonan Syndrome
- Parenting
- Pervasive Developmental Disorders (PDD)
- Phenylketonuria (PKU)
- Pinworm Infection
- Prescription Refill
- Reye Syndrome
- Rickets
- Sinusitis
- Skin Rash
- Sore Throat
- Speech Disorders
- Stuttering
- Sudden Infant Death Syndrome (SIDS)
- Tourette Syndrome
- Turner Syndrome
- Upper Respiratory Infection (URI)
- Urinary Tract Infection (UTI)
- Williams Syndrome
- Wilson-Turner Syndrome
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Heidi St. Peter as in-network for the following 2026 plans.
Health plans
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from Oscar Insurance Company
| 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 |
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. Heidi St. Peter is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Looking for more Pediatricians?
Out of the 43 pediatricians in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: 232 South Woods Mill Road Chesterfield, 63017, MO
- Gender: Male
- Address: 16216 Baxter Road Chesterfield, 63017, MO
- Gender: Female
- Address: 13001 North Outer 40 Road Town and Country, 63017, MO
- Gender: Female
- Address: 13001 North Outer 40 Road Chesterfield, 63017, MO
- Gender: Male
- Address: Suite 320 13001 North Outer 40 Road Town and Country, 63017, MO
- Gender: Male
- Address: Suite 205 444 Chesterfield Center Chesterfield, 63017, MO
- Gender: Female
- Address: Suite 570S 224 South Woods Mill Road Chesterfield, 63017, MO
- Gender: Female
- Address: Suite 36W 226 South Woods Mill Road Chesterfield, 63017, MO
- Gender: Female
- Address: Suite 32W 226 South Woods Mill Road Chesterfield, 63017, MO
- Gender: Female
- Address: Suite 32W 226 South Woods Mill Road Chesterfield, 63017, MO
Questions & Answers
What conditions does Dr. Heidi St Peter treat?
Dr. Heidi St Peter provides treatment for Anencephaly, Childhood Behavioral and Emotional Disorders, Developmental Delays, Enuresis, Noonan Syndrome, Speech Disorders. For the full list see this list.
Where can you meet with Dr. Heidi St Peter?
Dr. Heidi St Peter's office is located at 232 South Woods Mill Road in Chesterfield, MO 63017.
Does Dr. Heidi St Peter accept insurance?
Dr. Heidi St Peter is listed in-network for 11 ACA Marketplace (Obamacare/HealthCare.gov) plans from Oscar Insurance Company. See the Marketplace plans section for details.