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- Stony Brook University Hospital, Dept of Emergency Medicine, Stony Brook, NY 11794
About Dr. Ahn
Christine S. Ahn, MD is a healthcare provider in Stony Brook, NY specializing in emergency medicine. Medicare claims data shows Christine provided 535 services to 528 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. This provider record is associated with NPI 1336307461.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
STONY BROOK UNIVERSITY HOSPITAL DEPT OF EMERGENCY MEDICINE
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
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
- 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
- Corneal abrasion
General Emergency
- Severe dehydration
- Uncontrolled bleeding
Heart & Chest
Heart & Circulation
- Dangerous high blood pressure
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
- Smoke Inhalation
Poisoning & Toxins
- Drug overdose or poisoning
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
- 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
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
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
535 services · 528 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein (3 years or older) | Procedure | 36410 |
11 | Less often than most peers in Emergency Medicine |
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
28 | As often as other peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
406 | More than most peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
67 | As often as other peers in Emergency Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
12 | Less often than most peers in Emergency Medicine |
| Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | Office visit | 99236 |
11 | 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.
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 emergency physicians in Stony Brook 8
Same specialty, same city.
More connections — 7 related providers in 1 group
Also performs Insertion of needle into vein (3 years or older) 7
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Ahn specialize in?
Dr. Ahn 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 Dr. Ahn located?
Dr. Ahn is listed at Stony Brook University Hospital Dept of Emergency Medicine, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ahn'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 Dr. Ahn?
Dr. Ahn's National Provider Identifier is 1336307461. 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
How much experience does Dr. Ahn have?
Dr. Ahn has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Ahn do most often?
According to Medicare billing data, Dr. Ahn performs procedures including insertion of needle into vein; 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 Dr. Ahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ahn. If this is you, claiming it is free.
Guide.md
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