Physician Profile
Douglas Z. Liou, M.D.
Unclaimed ProfileAbout Dr. Liou
Douglas Z. Liou, M.D. practices thoracic surgery (cardiothoracic) in Palo Alto, CA. Douglas is a 2010 graduate of New York Medical College. Douglas is also listed as specializing in surgery. According to Medicare claims data, Douglas cared for 434 Medicare patients across 547 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, and initial hospital care with moderate level of medical decision making, if using time, at least 75 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
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Palo Alto, CA 94304
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery 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
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
Lung
Lung cancer
Lung conditions
- Collapsed lung
- COPD
- Coughing up blood
- Fluid around the lungs
- Lung abscess
- Suspicious Lung Spot
Nerves
Nerves and blood vessels
- Thoracic outlet syndrome
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Procedures & services
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
- Chest tube insertion
- Draining lung fluid
- Permanent chest drain insertion
- Pleural sealing procedure
Heart lining
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
Procedures Most Often Billed to Medicare
547 services · 434 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Repair of hernia of muscle at esophagus and stomach using an endoscope | Procedure | 43281 |
21 | More often than most peers in Thoracic Surgery (Cardiothoracic) |
| Removal of lymph nodes of chest cavity using an endoscope | Procedure | 32674 |
21 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| Initial removal of wedge of lung tissue using an endoscope | Procedure | 32666 |
11 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
262 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
89 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
57 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
49 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
25 | More than most peers in Thoracic Surgery (Cardiothoracic) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
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 thoracic surgery specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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 thoracic surgery specialists in Palo Alto 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of hernia of muscle at esophagus and stomach using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Douglas Z. Liou specialize in?
Douglas Z. Liou is a thoracic surgery (cardiothoracic) in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Douglas Z. Liou located?
Douglas Z. Liou is listed at 300 Pasteur Dr, Palo Alto, CA 94304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Douglas Z. Liou's phone number?
The number on file is (650) 723-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Douglas Z. Liou's NPI number?
Douglas Z. Liou's National Provider Identifier is 1891052080. 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 Douglas Z. Liou train?
Douglas Z. Liou attended New York Medical College, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Douglas Z. Liou been practicing?
Douglas Z. Liou has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Douglas Z. Liou do most often?
According to Medicare billing data, Douglas Z. Liou performs procedures including repair of hernia of muscle at esophagus and stomach using an endoscope, removal of lymph nodes of chest cavity using an endoscope and initial removal of wedge of lung tissue using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Douglas Z. Liou confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Douglas Z. Liou. 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.