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Edit this profileWhere to find Jonathan E. Marcus, MD
- Boca Raton location main office
22278 Larkspur Trl, Boca Raton, FL 33433 - Jerseyville location
400 Maple Summit Rd, Jerseyville, IL 62052 - Prescott location
919 12th Pl Ste 12, Prescott, AZ 86305 - Newport News location
12200 Warwick Blvd Ste 290, Newport News, VA 23601
About Dr. Marcus
Based in Boca Raton, FL, Jonathan E. Marcus, MD is listed in the NPI registry under critical care (intensivists). Jonathan graduated from Rutgers, Robert Woood Johnson Medical School in 2002. Jonathan is also listed as specializing in pulmonary disease and critical care medicine. According to Medicare claims data, Jonathan cared for 273 Medicare patients across 367 services. The services billed most often include critical care, first 30-74 minutes, critical care, each additional 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. NPI 1619002888 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
- (201) 446-4716
- Email not available
Practice Locations
22278 LARKSPUR TRL
Boca Raton, FL 33433
400 Maple Summit Rd
Jerseyville, IL 62052
919 12th Pl Ste 12
Prescott, AZ 86305
12200 Warwick Blvd Ste 290
Newport News, VA 23601
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
367 services · 273 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
15 | As often as other peers in Critical Care (Intensivists) |
| Critical care, first 30-74 minutes | Office visit | 99291 |
277 | More often than most peers in Critical Care (Intensivists) |
| Critical care, each additional 30 minutes | Office visit | 99292 |
32 | As often as other peers in Critical Care (Intensivists) |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
25 | Less often than most peers in Critical Care (Intensivists) |
| Critical care, first 30-74 minutes | Office visit | 99291 |
18 | More often than most peers in Critical Care (Intensivists) |
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.
Other critical cares in Boca Raton 8
Same specialty, same city.
Trained at Rutgers, Robert Woood Johnson Medical School 1
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Rutgers, Robert Woood Johnson Medical School 7
Providers who graduated from the same medical school in the same year.
More connections — 7 related providers in 1 group
Also performs Insertion of non-tunneled central venous tube for infusion (5 years or older) 7
Providers in FL who bill this service to Medicare most often.
Common questions
What does Dr. Marcus specialize in?
Dr. Marcus is a critical care (intensivists) in Boca Raton, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Marcus located?
Dr. Marcus is listed at 22278 Larkspur Trl, Boca Raton, FL 33433. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Marcus's phone number?
The number on file is (201) 446-4716. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Marcus's NPI number?
Dr. Marcus's National Provider Identifier is 1619002888. 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. Marcus go to medical school?
Dr. Marcus attended Rutgers, Robert Woood Johnson Medical School, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marcus been practicing?
Dr. Marcus has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Marcus do most often?
According to Medicare billing data, Dr. Marcus performs procedures including insertion of non-tunneled central venous tube for infusion, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Marcus confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marcus. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.