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- 100 Nicolls Rd, Hsc, Level 4, Room 080, Stony Brook, NY 11794
About Dr. Marshall
Robert T. Marshall, M.D. practices emergency medicine in Stony Brook, NY. Robert is a 2012 graduate of Pennsylvania State University College of Medicine. Robert is also listed as specializing in emergency medical services. Medicare claims data shows Robert provided 526 services to 519 patients. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and electrocardiogram (ecg) 1 to 3 leads with review by physician only. The provider's National Provider Identifier (NPI) is 1740541663.
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
- (631) 444-2478
- Email not available
Practice Locations
100 NICOLLS RD HSC, LEVEL 4, ROOM 080
Stony Brook, NY 11794
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
Allergy & Immunology
- Severe Allergic Reaction
Bites & Stings
- Snake Bite or Venomous Sting
- Spider or insect sting reaction
Blood & Circulation
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
Ear, Nose & Throat
- Nosebleeds
Endocrine & Metabolic
- Dangerous high blood sugar
- Dangerously low blood sugar
Environmental
Eye Care
- Open-globe eye injury
Eye Emergency
- Corneal abrasion
General Emergency
- Severe dehydration
- Uncontrolled bleeding
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
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
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
- Skin abscess or boil
Spine & Back
Urinary & Bladder
- Inability to pee
Urinary & Kidney
Women's Health
- Ectopic pregnancy
- Heavy vaginal bleeding
Procedures & services
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
- Lumbar puncture
- Rapid blood work
Digestive Care
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
Heart Care
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
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
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
526 services · 519 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
47 | As often as other peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
365 | More than most peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
87 | More often than most peers in Emergency Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
14 | Less often than most peers in Emergency Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
13 | Less often than most peers in Emergency 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.
Other emergency physicians at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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.
More connections — 30 related providers in 4 groups
Other emergency physicians in Stony Brook 8
Same specialty, same city.
Trained at Pennsylvania State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Pennsylvania State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Electrocardiogram (ecg) 1 to 3 leads with review by physician only 6
Providers in NY who bill this service to Medicare most often.
Common questions
What does Robert T. Marshall specialize in?
Robert T. Marshall is an emergency physician in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Where is Robert T. Marshall located?
Robert T. Marshall is listed at 100 Nicolls Rd Hsc, Level 4, Room 080, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Robert T. Marshall's phone number?
The number on file is (631) 444-2478. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Robert T. Marshall?
Robert T. Marshall's National Provider Identifier is 1740541663. 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 Robert T. Marshall train?
Robert T. Marshall attended Pennsylvania State University College of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Robert T. Marshall have?
Robert T. Marshall has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Robert T. Marshall do most often?
According to Medicare billing data, Robert T. Marshall provides treatments such as electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Robert T. Marshall's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Robert T. Marshall. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.