Dr. Michael H. Mastromichalis
- Gender: Male
- Experience: 16 years
- Graduated from: West Virginia University School Of Medicine
- Graduation year: 2005
- Sole propriator: No
- NPI: 1346444700
Dr. Michael H. Mastromichalis M.D.
Urologist
He is located at 1011 Bowles Avenue Suite 425 in Fenton, MO 63026. Can help patients with the following: Febrile Seizure, Influenza, PANDAS, Seizures, Tinnitus, Vestibular Testing. His National Provider Identifier (NPI) number is 1346444700. Appointment can be made via the phone number (636) 496-5030. He is affiliated with 4 practices and 3 hospitals.
Conditions treated
Dr. Michael Harry Mastromichalis, being an urologist, 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. Michael H. Mastromichalis.
- Abdominal Pain
- Acute Pain
- Alzheimer's Disease
- Amnesia
- Amyotrophic Lateral Sclerosis (ALS)
- Anemia
- Aphasia
- Arthritis
- Asthma
- Atherosclerosis
- Autism
- Benign Prostatic Hyperplasia (BPH)
- Bladder Cancer
- Bladder Control
- Bladder Spasms
- Blood in Semen
- Blood in Urine
- Brain Aneurysm
- Brain Damage
- Brain Hemorrhage
- Cerebral Palsy (CP)
- Cervical Radiculopathy
- Charcot-Marie-Tooth Disease (CMT)
- Chest Pain
- Chlamydia
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Claudication
- Cluster Headaches
- Common Cold
- Complex Regional Pain Syndrome
- Concussion
- Constipation
- Creutzfeldt-Jakob Disease (CJD)
- Cystitis
- Degenerative Disc Disease (DDD)
- Dementia
- Diarrhea
- Double Vision
- Dyslexia
- Dystonia
- Early Onset Alzheimers
- Edema
- Encephalitis
- Encephalopathy
- Epididymitis
- Epilepsy
- Erectile Dysfunction (ED)
- Face Blindness
- Fainting
- Febrile Seizure
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Guillain-Barre Syndrome (GBS)
- Head Injury
- Headache
- Heart Disease
- Herniated Disc
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Huntington's Disease (HD)
- Hydrocele
- Hydronephrosis
- Hyperlipidemia
- Hyponatremia
- Infertility
- Influenza
- Inguinal Hernia
- Kidney Infection
- Kidney Stones
- Low Back Pain
- Lumbar Spinal Stenosis
- Mad Cow Disease
- Meningitis
- Mens Health
- Meralgia Paresthetica
- Migraine
- Motion Sickness
- Multiple Sclerosis (MS)
- Myasthenia Gravis (MG)
- Myofascial Pain Syndrome (MPS)
- Nausea and Vomiting
- Nerve Damage
- Neuropathic Pain
- Obesity
- Optic Neuritis
- Osteoporosis
- Overactive Bladder (OAB)
- PANDAS
- Painful Bladder Syndrome
- Paralysis
- Parkinson's Disease
- Peptic Ulcer
- Peripheral Nerve Injuries
- Peripheral Nerve Tumors
- Peripheral Neuropathy
- Pinched Nerve
- Polio
- Premature Ejaculation (PE)
- Prescription Refill
- Priapism
- Progressive Neurological Disorders
- Prostatitis
- Pseudotumor Cerebri
- Sciatica
- Seizures
- Stiff Person Syndrome (SPS)
- Stroke
- Tardive Dyskinesia
- Tension Headache
- Testicular Torsion
- Tics
- Tinnitus
- Tourette Syndrome
- Transient Ischemic Attack (TIA)
- Traumatic Brain Injury
- Tremor
- Trigeminal Neuralgia (TN)
- Undescended Testes
- Urethritis
- Urinary Incontinence (UI)
- Urinary Retention
- Urinary Tract Infection (UTI)
- Uterine Cancer
- Varicocele
- Vertigo
- Vestibular Testing
- Wernicke-Korsakoff Syndrome
Procedures Performed by Dr. Michael H. Mastromichalis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Michael H. Mastromichalis 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
| 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 |
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. Michael H. Mastromichalis 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. Michael H. Mastromichalis is enrolled to bill Medicare as a Practitioner - Urology .
Bills through: Ths Physician Partners 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.
Payments received
Drug payment
| Siemens | $769 |
| American Medical Systems | $57 |
Other
| Travel and Lodging | $741 |
| Food and Beverage | $86 |
Studies
WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Graduated in 2005Additional Specialities
- Internist
- Neurologist
Affiliated practices
Affiliated hospitals
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Questions & Answers
Has Dr. Michael Harry Mastromichalis affiliation with hospitals?
Dr. Michael Harry Mastromichalis is affiliated with SSM ST CLARE HEALTH CENTER. For the full list of hospitals see this list.
Does Dr. Michael Harry Mastromichalis have affiliation with practices?
Dr. Michael Harry Mastromichalis is affiliated with SSM Health St. Mary's Hospital of St. Louis. For the full list of practices see this list.
Does Dr. Michael Harry Mastromichalis accept patients with Oscar Insurance Company?
Yes, Dr. Michael Harry Mastromichalis is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Michael Harry Mastromichalis?
Dr. Michael Harry Mastromichalis's office is located at 1011 Bowles Avenue Suite 425 in Fenton, MO 63026.
What conditions does Dr. Michael Harry Mastromichalis treat?
Dr. Michael Harry Mastromichalis provides treatment for Febrile Seizure, Influenza, PANDAS, Seizures, Tinnitus, Vestibular Testing. For the full list see this list.