Physician Profile
George S. Horng, MD
Unclaimed ProfileAbout Dr. Horng
George S. Horng, MD practices critical care medicine in San Francisco, CA. George is a 2001 graduate of University of California, San Diego School of Medicine. George is also listed as specializing in pulmonary disease. According to Medicare claims data, George cared for 412 Medicare patients across 810 services. The services billed most often include critical care, first 30-74 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (415) 923-3421
- Email not available
Practice Locations
2351 CLAY ST SUITE 501
San Francisco, CA 94115
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
- Hemorrhagic stroke
- Ruptured Brain Aneurysm
- Spinal Cord Injury
- Sudden Muscle Weakness Crisis
Brain & Nervous System
- Brain Swelling
- Fainting and syncope
- ICU Delirium and Confusion
- Ischemic stroke
- Status epilepticus
- Traumatic brain injury
Breathing & Lungs
- Collapsed lung
- Respiratory failure
- Severe asthma attack
- Severe Blood Clot in Lung
- Severe Pneumonia
Digestive emergencies
Environmental emergencies
Heart & Circulation
Heart & vascular
Infection & Sepsis
Infections
Injury & trauma
Lung & breathing
- Critical COVID Complications
- Fluid in the Lungs
Medication reactions
Metabolic Emergencies
- Dangerous high blood sugar
- High Acid in Blood
Muscle & kidney
Organ Failure
- Acute kidney injury
- Multiple Organ Failure
- Severe Pancreatitis
- Sudden Liver Failure
Pregnancy emergencies
Recovery
- Post-ICU Weakness
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
- Family ICU Consultation and Goals of Care
- Post-ICU Recovery Care
Digestive procedures
Emergency surgery
- Emergency Chest Opening for Trauma
Fluid Drainage
Heart procedures
Heart support
ICU recovery
- Bedsore and Wound Dressing
- Early ICU Physical Rehab
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
- Emergency Clot-Busting Medication
Medications & Infusions
- Emergency Blood Transfusion
- ICU Sedation and Pain Relief
- IV Blood Pressure Support (Pressors)
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
810 services · 412 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
435 | More than most peers in Critical Care Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
172 | More often than most peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
57 | As often as other peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
55 | As often as other peers in Critical Care Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
47 | More often than most peers in Critical Care Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
17 | Less often than most peers in Critical Care Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most peers in Critical Care Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 | 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.
Other critical care physicians at this location 3
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 — 24 related providers in 3 groups
Other critical care physicians in San Francisco 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Horng specialize in?
Dr. Horng is a critical care physician in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Where is Dr. Horng located?
Dr. Horng is listed at 2351 Clay St Suite 501, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Horng's phone number?
The number on file is (415) 923-3421. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Horng's NPI number?
Dr. Horng's National Provider Identifier is 1306924972. 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. Horng go to medical school?
Dr. Horng attended University of California, San Diego School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Horng been practicing?
Dr. Horng has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Horng do most often?
According to Medicare billing data, Dr. Horng 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 Dr. Horng confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Horng. 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.