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Edit this profileAt a glance
- 555 N Broadway, Jericho, NY 11753
About Dr. Viswanathan
Based in Jericho, NY, Subhash R. Viswanathan, M.D. is listed in the NPI registry under emergency medicine. Subhash graduated from Pennsylvania State University College of Medicine in 1994. According to Medicare claims data, Subhash cared for 785 Medicare patients across 803 services. 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 routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. NPI 1508866542 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
- (516) 597-5070
- Email not available
Practice Locations
555 N BROADWAY
Jericho, NY 11753
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
Bites & Stings
- Spider or insect sting reaction
- Snake Bite or Venomous Sting
Brain & Nerves
- Delirium
- Stroke
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Transient ischemic attack
Endocrine & Metabolic
- Dangerously low blood sugar
- Dangerous high blood sugar
Eye Care
- Open-globe eye injury
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Rashes & allergy
Skin & Infections
- Skin abscess or boil
Urinary & Bladder
- Inability to pee
Women's Health
- Heavy vaginal bleeding
- Ectopic pregnancy
Abdomen & Digestion
- Appendicitis
- Lower gastrointestinal bleeding
- Vomiting or throwing up blood
Allergy & Immune
- Angioedema
Allergy & Immunology
- Severe Allergic Reaction
Blood & Circulation
- Deep vein thrombosis
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
Environmental
- Heat stroke
- Hypothermia and frostbite
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
Lungs & Breathing
- Collapsed lung
Men's Health
- Testicular torsion
Poisoning & Environmental
- Smoke Inhalation
Poisoning & Toxins
- Drug overdose or poisoning
Spine & Back
Urinary & Kidney
Procedures & services
Abdominal Procedures
- Paracentesis
Breathing & Airway
- Emergency intubation
- Breathing Treatment
Critical Care
- Central line placement
- Chest tube insertion
- CPR and defibrillation
- Blood transfusion
Diagnostic testing
Diagnostics
- Rapid blood work
- Lumbar puncture
Ear, Nose & Throat
- Nasal packing for nosebleed
Eye & ENT
Heart & Diagnostics
- Cardioversion for rapid heartbeat
- EKG
Imaging & Diagnostics
- Emergency MRI scan
- Emergency CT scan
- Emergency ultrasound
- Emergency X-ray
Injections & Vaccines
- Rabies shot series
- Tetanus shot
Kidney Care
- Emergency dialysis
Lung & Respiratory
- Draining lung fluid
- Chest Needle Decompression
Medications
- IV medication for severe nausea
- IV medication for severe pain
- Emergency epinephrine injection
Mental Health
- Emergency psychiatric evaluation
Minor Procedures
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
Minor Trauma
- Stuck ring removal
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
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
Airway & Breathing
- Emergency surgical airway
Anesthesia & Sedation
- Moderate dental sedation
Digestive Care
- Urgent upper endoscopy
Eye Care
- Emergency Eye Flushing
Heart Care
- Temporary Pacemaker Placement
Orthopedic Procedures
Supportive Care
- IV fluids
Procedures Most Often Billed to Medicare
803 services · 785 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
184 | More often than most peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
250 | More often than most peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
190 | More than most peers in Emergency Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
138 | More than most peers in Emergency Medicine |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
41 | More 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.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other emergency physicians in Jericho 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Pennsylvania State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Pennsylvania State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Subhash R. Viswanathan's specialty?
Subhash R. Viswanathan is an emergency physician in Jericho, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Where can I find Subhash R. Viswanathan?
Subhash R. Viswanathan is listed at 555 N Broadway, Jericho, NY 11753. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Subhash R. Viswanathan?
The number on file is (516) 597-5070. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Subhash R. Viswanathan's NPI number?
Subhash R. Viswanathan's National Provider Identifier is 1508866542. 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 Subhash R. Viswanathan's education?
Subhash R. Viswanathan attended Pennsylvania State University College of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Subhash R. Viswanathan been practicing?
Subhash R. Viswanathan has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Subhash R. Viswanathan known for?
According to Medicare billing data, Subhash R. Viswanathan provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Subhash R. Viswanathan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Subhash R. Viswanathan. If this is you, claiming it is free.
Guide.md
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