Physician Profile
Jack O. Stewart, M.D.
Unclaimed ProfileAbout Dr. Stewart
Jack O. Stewart, M.D. practices pulmonary disease in Orange, CA. Jack is a 1979 graduate of Northwestern University Feinberg Medical School. According to Medicare claims data, Jack cared for 1,086 Medicare patients across 2,073 services.
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
Source: NPPES NPI Registry
Contact Information
- (714) 639-9401
- Email not available
Practice Locations
1310 W STEWART DR STE 408
Orange, CA 92868
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
- Asthma
- Chronic cough
- COPD
- Lung cancer
- Pulmonary fibrosis
- Shortness of breath
- Sleep apnea
Airway disorders
- Acute bronchitis
- Bronchiectasis
- Chronic Throat Clearing and Chronic Cough
Blood vessel disorders
- Blood Clot in Lung
- Pulmonary hypertension
Critical care
- Respiratory failure
Diagnostic findings
- Swollen Chest Lymph Nodes
Environmental lung diseases
- Chronic Beryllium Disease
Genetic conditions
- Alpha-1 antitrypsin deficiency
- Cystic fibrosis in adults
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
- Farmer's lung
- Interstitial lung disease
- Sarcoidosis
Lung growths
Occupational & environmental
- Asbestos lung damage
- Black lung disease
- Silicosis
- Vaping lung illness
Pleural disorders
- Collapsed lung
- Fluid around the lungs
- Pain when breathing
Post-infection conditions
- Long COVID lung problems
Sleep disorders
- Excessive daytime sleepiness
- Shallow Breathing In Sleep
- Snoring
- Upper Airway Resistance Syndrome
- Waking Up Gasping Or Choking
Structural lung conditions
- Lung Bullae
Symptoms
- Blue Baby Syndrome
- Chest congestion
- Coughing up blood
- Low oxygen levels
- Rapid Breathing
- Severe asthma attack
- Wheezing
Procedures & services
Most searched procedures
- Bronchoscopy
- Oxygen therapy management
- Pulmonary function test
- Spirometry
Airway care
Airway management
- Tracheostomy care
Biopsies
- Lung Cryobiopsy
Biopsies & diagnostics
- EBUS lung biopsy
- Needle biopsy of lung
- Robotic lung biopsy
Breathing tests
- 6-minute walk test
- Asthma challenge test
- Cardiopulmonary Exercise Testing (CPET)
- Exhaled nitric oxide test
Cancer diagnostic procedures
- Endobronchial Ultrasound Staging
Consultations
- Pre-op lung clearance
Counseling & prevention
- Inhaler technique instruction
- Smoking cessation counseling
Critical care
- Ventilator Weaning Evaluation
Diagnostic procedures
- Lung Wash Procedure
Drainage care
- Pleural Catheter Removal
Imaging
- Chest CT Scan
- Chest X-Ray
- Lung Perfusion Scan
Interventional procedures
- Bronchial thermoplasty
- Lung valve placement for emphysema
Lab tests
- Arterial blood gas test
- Sputum test
Lung tests
- Pre- And Post-Bronchodilator Test
Medications
- Severe Asthma Biologics
Monitoring
- Asthma Action Plan Consultation
- Continuous Pulse Oximetry
Pleural procedures
- Chest tube insertion
- Draining lung fluid
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Procedures
- Foreign Object Removal From Airway
- Windpipe stent placement
Rehabilitation
- Airway clearance therapy
- Pulmonary rehabilitation
Screening
- Low-dose CT lung cancer screening
Sleep equipment
- CPAP Mask Fitting
Sleep medicine
- At-home sleep test
- BiPAP therapy
- CPAP titration
- Overnight oxygen study
- Sleep study
Sleep treatments
- Sleep Apnea Dental Device Evaluation
Specialist evaluations
- Lung Transplant Evaluation
- Lung Volume Reduction Evaluation
Specialized testing
- High-Altitude Oxygen Test
Treatments
Procedures Most Often Billed to Medicare
2,073 services · 1,086 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration of initial secretion of lung airway using an endoscope | Procedure | 31645 |
21 |
| Irrigation and suction of lung airways to obtain cells using an endoscope | Procedure | 31624 |
17 |
| Diagnostic exam of lung airway using an endoscope | Procedure | 31622 |
16 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
231 |
| Evaluation of use of breathing device | Treatment | 94664 |
25 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
612 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
511 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
226 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
176 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
112 |
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.
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 lung specialists in Orange 8
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1979 at Northwestern University Feinberg Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Aspiration of initial secretion of lung airway using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Jack O. Stewart?
Jack O. Stewart is a lung specialist in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
What is Jack O. Stewart's address?
Jack O. Stewart is listed at 1310 W Stewart Dr Ste 408, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Jack O. Stewart?
The number on file is (714) 639-9401. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Jack O. Stewart's NPI number?
Jack O. Stewart's National Provider Identifier is 1942278452. 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 Jack O. Stewart train?
Jack O. Stewart attended Northwestern University Feinberg Medical School, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Jack O. Stewart been practicing?
Jack O. Stewart has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Jack O. Stewart perform?
According to Medicare billing data, Jack O. Stewart performs procedures including aspiration of initial secretion of lung airway using an endoscope, irrigation and suction of lung airways to obtain cells using an endoscope and diagnostic exam of lung airway using an endoscope; provides treatments such as test to measure expiratory airflow and volume and evaluation of use of breathing device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jack O. Stewart confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jack O. Stewart. 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.