Physician Profile
Catherine Gao, M.D.
Unclaimed ProfileAbout Dr. Gao
Based in Chicago, IL, Catherine Gao, M.D. is listed in the NPI registry under pulmonary disease. Catherine graduated from University of Michigan Medical School in 2015. Catherine is also listed as specializing in critical care medicine. Medicare claims data shows Catherine provided 45 services to 26 patients. The services billed most often include critical care, first 30-74 minutes 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
- (312) 695-1800
- Email not available
Practice Locations
675 N SAINT CLAIR ST STE 18-250
Chicago, IL 60611
20 York St Yale-New Haven Hospital
New Haven, CT 06510
Conditions Commonly Evaluated or Treated
Within Pulmonary Disease 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
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
- Community-acquired pneumonia
- Fungal lung infection
- Legionnaires' Disease
- Lung abscess
- NTM lung infection
- Severe Pneumonia
- Tuberculosis
- Valley fever
- Walking Pneumonia in Children
- Whooping Cough
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
- Excessive daytime sleepiness
- Shallow Breathing In Sleep
- Snoring
- Upper Airway Resistance Syndrome
- Waking Up Gasping Or Choking
Structural lung conditions
Symptoms
- Blue Baby Syndrome
- Chest congestion
- Coughing up blood
- Low oxygen levels
- Rapid Breathing
- Severe asthma attack
- Wheezing
Procedures & services
Most searched procedures
Airway care
Airway management
Biopsies
Biopsies & diagnostics
Breathing tests
- 6-minute walk test
- Asthma challenge test
- Cardiopulmonary Exercise Testing (CPET)
- Exhaled nitric oxide test
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Pleural procedures
- Chest tube insertion
- Draining lung fluid
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
Procedures Most Often Billed to Medicare
45 services · 26 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
24 | Less often than most peers in Pulmonary Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
21 | Less often than most peers in Pulmonary Disease |
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 lung specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 lung specialists in Chicago 8
Same specialty, same city.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Catherine Gao specialize in?
Catherine Gao is a lung specialist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Catherine Gao located?
Catherine Gao is listed at 675 N Saint Clair St Ste 18-250, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Catherine Gao's phone number?
The number on file is (312) 695-1800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Catherine Gao?
Catherine Gao's National Provider Identifier is 1043699689. 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 Catherine Gao train?
Catherine Gao attended University of Michigan Medical School, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Catherine Gao have?
Catherine Gao has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Catherine Gao do most often?
According to Medicare billing data, Catherine Gao 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
Is Catherine Gao's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Catherine Gao. 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.