Provider Profile
Lia I. Losonczy
Unclaimed ProfileAbout Lia Losonczy
Based in Washington, DC, Lia I. Losonczy is listed in the NPI registry under critical care medicine. Lia graduated from Johns Hopkins University School of Medicine in 2012. Lia is also listed as specializing in emergency medicine. According to Medicare claims data, Lia cared for 64 Medicare patients across 82 services. The services billed most often include critical care, first 30-74 minutes, emergency department visit with moderate level of medical decision making, and emergency department visit with high level of medical decision making.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (202) 741-2911
- Email not available
Practice Locations
900 23RD ST NW
Washington, DC 20037
The Johns Hopkins Hospital 600 North Wolf St
Baltimore, MD 21287
Conditions Commonly Evaluated or Treated
Within Critical Care 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
Blood & metabolism
Brain & nerve
Brain & Nervous System
- Brain Swelling
- Fainting and syncope
- ICU Delirium and Confusion
- Ischemic stroke
- Status epilepticus
- Traumatic brain injury
Breathing & Lungs
Digestive emergencies
Environmental emergencies
Heart & Circulation
Heart & vascular
Infection & Sepsis
Infections
Injury & trauma
Lung & breathing
Medication reactions
Metabolic Emergencies
Muscle & kidney
Organ Failure
Pregnancy emergencies
Recovery
Substance emergencies
Toxicity & Trauma
Procedures & services
Airway & Breathing
- Airway Scope and Suctioning
- Breathing machine management
- Chest tube insertion
- Emergency intubation
- Tracheostomy
Airway procedures
Brain procedures
Breathing support
Consultation & Recovery
Digestive procedures
Emergency surgery
Fluid Drainage
Heart procedures
Heart support
ICU recovery
Lab tests & monitoring
Life Support
- Cardioversion for rapid heartbeat
- CPR and defibrillation
- ECMO (Heart-Lung Machine)
- Stomach Positioning for Lung Failure
- Targeted Body Cooling
- Temporary Pacemaker Placement
- Ventilator Support
Medication therapies
Medications & Infusions
Monitoring
- Bladder and Belly Pressure Check
- Brain Blood Flow Ultrasound
- Brain Pressure Monitor Placement
- Continuous Brain Wave Monitoring
- Emergency ultrasound
- Heart Pressure Catheter Monitoring
- Lumbar puncture
Nutrition & Digestion
Nutrition support
Organ Support
Vascular Access
Procedures Most Often Billed to Medicare
82 services · 64 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
53 | Less often than most peers in Critical Care Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
15 | Less often than most peers in Critical Care Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
14 | Less often than most peers in Critical Care Medicine |
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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Other critical care physicians in Washington 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Lia I. Losonczy's specialty?
Lia I. Losonczy is a critical care physician in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Where can I find Lia I. Losonczy?
Lia I. Losonczy is listed at 900 23Rd St Nw, Washington, DC 20037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Lia I. Losonczy?
The number on file is (202) 741-2911. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Lia I. Losonczy's NPI number?
Lia I. Losonczy's National Provider Identifier is 1598082828. 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
What is Lia I. Losonczy's education?
Lia I. Losonczy attended Johns Hopkins University School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Lia I. Losonczy been practicing?
Lia I. Losonczy has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Lia I. Losonczy known for?
According to Medicare billing data, Lia I. Losonczy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Lia I. Losonczy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Lia I. Losonczy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.