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Edit this profileAt a glance
- 959 E Walnut St, Suite 120, Pasadena, CA 91106
About Dr. Shum
Leo M. Shum, M.D is a healthcare provider in Pasadena, CA specializing in critical care medicine. Leo trained at University of Pittsburgh School of Medicine, graduating in 2006. Leo is also listed as specializing in emergency medicine and pulmonary disease. Medicare claims data shows Leo provided 698 services to 388 patients. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and critical care, each additional 30 minutes. This provider record is associated with NPI 1609061191.
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
- (626) 795-1831
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
959 E WALNUT ST SUITE 120
Pasadena, CA 91106
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
- Dangerous electrolyte imbalance
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
- Severe internal bleeding
Environmental emergencies
Heart & Circulation
- Cardiac Arrest
- Shock
- Torn Aorta
Heart & vascular
- Dangerous high blood pressure
- Sudden Heart Muscle Weakness
Infection & Sepsis
- Sepsis or blood infection
- Severe Allergic Shock
Infections
Injury & trauma
- Broken ribs
- Serious car crash injuries in child
Lung & breathing
- Critical COVID Complications
- Fluid in the Lungs
Medication reactions
- Severe Skin Peeling Reaction
Metabolic Emergencies
- Dangerous high blood sugar
- High Acid in Blood
Muscle & kidney
- Crush Injury
Organ Failure
- Acute kidney injury
- Multiple Organ Failure
- Severe Pancreatitis
- Sudden Liver Failure
Pregnancy emergencies
Recovery
- Post-ICU Weakness
Substance emergencies
Toxicity & Trauma
- Drug overdose or poisoning
- Hypothermia and frostbite
- Severe Burns
Procedures & services
Airway & Breathing
- Airway Scope and Suctioning
- Breathing machine management
- Chest tube insertion
- Emergency intubation
- Tracheostomy
Airway procedures
Brain procedures
- Skull Bone Removal For Pressure Relief
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
698 services · 388 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
18 | As often as other peers in Critical Care Medicine |
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
16 | As often as other peers in Critical Care Medicine |
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
11 | Less often than most peers in Critical Care Medicine |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
17 | As often as other peers in Critical Care Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
462 | More 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 |
87 | More often than most peers in Critical Care Medicine |
| Critical care, each additional 30 minutes | Office visit | 99292 |
53 | More often than most peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
34 | As often as other 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 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 — 25 related providers in 4 groups
Trained at University of Pittsburgh School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at University of Pittsburgh School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of non-tunneled central venous tube for infusion (5 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Leo M. Shum specialize in?
Leo M. Shum is a critical care physician in Pasadena, 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 Leo M. Shum located?
Leo M. Shum is listed at 959 E Walnut St Suite 120, Pasadena, CA 91106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Leo M. Shum's phone number?
The number on file is (626) 795-1831. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Leo M. Shum?
Leo M. Shum's National Provider Identifier is 1609061191. 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 Leo M. Shum train?
Leo M. Shum attended University of Pittsburgh School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Leo M. Shum have?
Leo M. Shum has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Leo M. Shum do most often?
According to Medicare billing data, Leo M. Shum performs procedures including insertion of non-tunneled central venous tube for infusion, emergent insertion of breathing tube into windpipe using an endoscope and insertion of artery tube for blood sampling or infusion through skin; reads or performs imaging such as ultrasonic guidance for blood vessel access, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Leo M. Shum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Leo M. Shum. If this is you, claiming it is free.
Guide.md
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