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Edit this profileAt a glance
- 20041 Riverside Commons Plaza, Ashburn, VA 20147
About Dr. Antonis
Based in Ashburn, VA, Michael S. Antonis, DO is listed in the NPI registry under emergency medicine. Michael graduated from Chicago College of Osteopathy in 2003. Michael is also listed as specializing in emergency medicine — sports medicine. According to Medicare claims data, Michael cared for 1,931 Medicare patients across 8,505 services. The services billed most often include hyaluronan or derivative, durolane, for intra-articular injection, 1 mg, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and aspiration and/or injection of fluid large joint using ultrasound guidance. NPI 1760429476 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (703) 466-0447
- Email not available
Practice Locations
20041 RIVERSIDE COMMONS PLAZA
Ashburn, VA 20147
Conditions Commonly Evaluated or Treated
Within Emergency Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Digestion
- Appendicitis
- Lower gastrointestinal bleeding
- Vomiting or throwing up blood
Allergy & Immune
- Angioedema
Allergy & Immunology
- Severe Allergic Reaction
Bites & Stings
- Snake Bite or Venomous Sting
- Spider or insect sting reaction
Blood & Circulation
- Deep vein thrombosis
Brain & Nerves
- Delirium
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Stroke
- Transient ischemic attack
Breathing
- Choking or swallowed object
- Coughing up blood
- Severe asthma attack
- Shortness of breath
Digestion & Stomach
- Abdominal Pain
- Acute gallbladder inflammation
- Bowel obstruction
Ear, Nose & Throat
- Nosebleeds
Endocrine & Metabolic
- Dangerous high blood sugar
- Dangerously low blood sugar
Environmental
- Heat stroke
- Hypothermia and frostbite
Eye Care
- Open-globe eye injury
Eye Emergency
General Emergency
- Severe dehydration
- Uncontrolled bleeding
Heart & Chest
- Acute coronary syndrome
- Heart palpitations
Heart & Circulation
- Dangerous high blood pressure
Heart & Lungs
- Blood Clot in Lung
Infections & Illness
- High fever
- Sepsis or blood infection
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Lungs & Breathing
- Collapsed lung
Men's Health
- Testicular torsion
Poisoning & Environmental
- Smoke Inhalation
Poisoning & Toxins
- Drug overdose or poisoning
Skin & Infections
- Skin abscess or boil
Spine & Back
- Severe back pain
Urinary & Bladder
- Inability to pee
Urinary & Kidney
- Kidney stones
Women's Health
- Ectopic pregnancy
- Heavy vaginal bleeding
Procedures & services
Abdominal Procedures
- Paracentesis
Airway & Breathing
- Emergency surgical airway
Anesthesia & Sedation
- Moderate dental sedation
Breathing & Airway
- Breathing Treatment
- Emergency intubation
Critical Care
- Blood transfusion
- Central line placement
- Chest tube insertion
- CPR and defibrillation
Diagnostics
- Lumbar puncture
- Rapid blood work
Digestive Care
- Urgent upper endoscopy
Ear, Nose & Throat
- Nasal packing for nosebleed
Eye & ENT
- Eye-pressure measurement
- Foreign Object Removal from Eye
- Superficial foreign-body removal
Eye Care
- Emergency Eye Flushing
Heart & Diagnostics
- Cardioversion for rapid heartbeat
- EKG
Heart Care
- Temporary Pacemaker Placement
Imaging & Diagnostics
- Emergency CT scan
- Emergency MRI scan
- Emergency ultrasound
- Emergency X-ray
Injections & Vaccines
- Rabies shot series
- Tetanus shot
Kidney Care
- Emergency dialysis
Lung & Respiratory
- Chest Needle Decompression
- Draining lung fluid
Medications
- Emergency epinephrine injection
- IV medication for severe nausea
- IV medication for severe pain
Mental Health
- Emergency psychiatric evaluation
Minor Procedures
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
Minor Trauma
- Stuck ring removal
Orthopedic Procedures
- Joint injection or aspiration
Orthopedics
- Popping a dislocated joint back in place
- Splinting and temporary casting
Poisoning & Toxicology
- Antivenom treatment
Specialized Care
- Sexual assault forensic exam
Stroke & Vascular
- Clot busting medication for stroke
Supportive Care
- IV fluids
Toxicology
- Narcan overdose reversal
- Stomach pumping or activated charcoal
Women's Health
- Emergency pelvic exam
Wound Care
- Burn dressing and care
- Skin glue for cuts
- Stitches and Laceration Repair
- Wound cleaning and debridement
- Wound stapling
Procedures Most Often Billed to Medicare
8,505 services · 1,931 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
403 | More than most peers in Emergency Medicine |
| Aspiration and/or injection of fluid from medium joint using ultrasound guidance | Procedure | 20606 |
56 | Too few peers to compare |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
20 | Less often than most peers in Emergency Medicine |
| Injection into tendon or ligament | Procedure | 20550 |
18 | Too few peers to compare |
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
12 | Too few peers to compare |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | Imaging | 76882 |
152 | Too few peers to compare |
| X-ray of knee, 3 views | Imaging | 73562 |
106 | Too few peers to compare |
| Complete ultrasound scan of joint | Imaging | 76881 |
71 | Too few peers to compare |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
55 | More often than most peers in Emergency Medicine |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
43 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Chicago College of Osteopathy 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 2003 at Chicago College of Osteopathy 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 1
Providers in VA who bill this service to Medicare most often.
Common questions
What does Dr. Antonis specialize in?
Dr. Antonis is an emergency physician in Ashburn, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Where is Dr. Antonis located?
Dr. Antonis is listed at 20041 Riverside Commons Plaza, Ashburn, VA 20147. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Antonis's phone number?
The number on file is (703) 466-0447. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Antonis's NPI number?
Dr. Antonis's National Provider Identifier is 1760429476. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Antonis go to medical school?
Dr. Antonis attended Chicago College of Osteopathy, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Antonis been practicing?
Dr. Antonis has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Antonis do most often?
According to Medicare billing data, Dr. Antonis performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, aspiration and/or injection of fluid from medium joint using ultrasound guidance and aspiration and/or injection of fluid from large joint; reads or performs imaging such as limited ultrasound scan of joint or other extremity structure except blood vessels and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Antonis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Antonis. If this is you, claiming it is free.
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