Dr. William S. Ferguson
- Gender: Male
- Experience: 39 years
- Sole propriator: No
- NPI: 1538263140
Dr. William S. Ferguson MD
Hematology and Oncology Specialist
He is located at 1465 South Grand Boulevard in Saint Louis, MO 63104. Can help patients with the following: Fragile X Syndrome (FXS), General Care, Infant Care, Prescription Refill, Sore Throat, Urethritis. His National Provider Identifier (NPI) number is 1538263140. Appointment can be made via the phone number (314) 577-5638.
Conditions treated
Dr. William S. Ferguson, being an hematology and oncology specialist, 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. William S. Ferguson.
- Abdominal Pain
- Acute Pain
- Allergic Reaction
- Anemia
- Anencephaly
- Arthritis
- Asthma
- Atherosclerosis
- Autism
- Bee and Wasp Stings
- Beta Thalassemia
- Birth Defects
- Bladder Control
- Bone Cancer
- Bronchitis
- Cancer
- Cerebral Palsy (CP)
- Chest Pain
- Childhood Behavioral and Emotional Disorders
- Childhood Obesity
- Cholecystitis
- Chronic Cough
- Chronic Obstructive Pulmonary Disease (COPD)
- Cleft Palate and Cleft Lip
- Colic
- Common Cold
- Constipation
- Croup
- Cystitis
- Deep Vein Thrombosis (DVT)
- Developmental Delays
- Diarrhea
- Down Syndrome
- Dyslexia
- Eczema
- Edema
- Edwards Syndrome
- Enuresis
- Fetal Alcohol Syndrome (FAS)
- Fever
- Food Poisoning
- Fragile X Syndrome (FXS)
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Hay Fever
- Head Lice
- Headache
- Heart Disease
- Hemophilia
- Hiatal Hernia
- High Blood Pressure
- Hives
- Hodgkin's Disease
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Idiopathic Thrombocytopenic Purpura (ITP)
- Infant Care
- Influenza
- Inguinal Hernia
- Jaundice
- Kawasaki Disease
- Learning Disability
- Leukemia
- Migraine
- Multiple Myeloma
- Muscular Dystrophy
- Nausea and Vomiting
- Neutropenia
- Non-Hodgkin's Lymphoma (NHL)
- Noonan Syndrome
- Obesity
- Osteoporosis
- Parenting
- Peptic Ulcer
- Pernicious Anemia
- Pervasive Developmental Disorders (PDD)
- Phenylketonuria (PKU)
- Pinworm Infection
- Polycythemia
- Prescription Refill
- Pulmonary Embolism (PE)
- Reye Syndrome
- Rickets
- Sickle Cell Anemia
- Sinusitis
- Skin Rash
- Sore Throat
- Speech Disorders
- Stuttering
- Sudden Infant Death Syndrome (SIDS)
- Thalassemia
- Thrombocytopenia
- Tourette Syndrome
- Turner Syndrome
- Upper Respiratory Infection (URI)
- Urethritis
- 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. William S. Ferguson as in-network for the following 2026 plans.
Health plans
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
| 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 Aug 13, 2026, as reported by the insurer.
Show all 9 plans from Medica
| 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 |
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. William S. Ferguson 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. William S. Ferguson is enrolled to bill Medicare as a Practitioner - Hematology/oncology (also registered under: Practitioner - Pediatric Medicine) .
Bills through: Ssm Health Care Group
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
| Novartis | $133 |
Other
| Food and Beverage | $134 |
Additional Specialities
- Internist
- Pediatrician
Looking for more Hematology and Oncology Specialists?
There are 7 other hematology and oncology specialists in this region.
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- Address: 1465 South Grand Boulevard St. Louis, 63104, MO
- Gender: Female
- Address: 1201 West LA Veta Avenue Orange, 92868, CA
- Gender: Male
- Address: 1465 South Grand Boulevard St. Louis, 63104, MO
- Gender: Female
- Address: 1465 South Grand Boulevard Saint Louis, 63104, MO
- Gender: Female
- Address: 1465 South Grand Boulevard St. Louis, 63104, MO
- Gender: Male
- Address: 232 South Woods Mill Road Chesterfield, 63017, MO
- Gender: Female
- Address: 1465 South Grand Boulevard Saint Louis, 63104, MO
Questions & Answers
Does Dr. William S. Ferguson accept insurance?
Dr. William S. Ferguson is listed in-network for 30 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company. See the Marketplace plans section for details.
Where can you meet with Dr. William S. Ferguson?
Dr. William S. Ferguson's office is located at 1465 South Grand Boulevard in Saint Louis, MO 63104.
What conditions does Dr. William S. Ferguson treat?
Dr. William S. Ferguson provides treatment for Fragile X Syndrome (FXS), General Care, Infant Care, Prescription Refill, Sore Throat, Urethritis. For the full list see this list.