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Edit this profileWhere to find Gregory C. Warner, M.D.
- Visalia location main office
5400 W Hillsdale Ave, Visalia, CA 93291 - Fresno location
1303 E Herndon Ave, Fresno, CA 93720
About Dr. Warner
Based in Visalia, CA, Gregory C. Warner, M.D. is listed in the NPI registry under pulmonary disease. Gregory graduated from University of Nebraska College of Medicine in 1980. Gregory is also listed as specializing in internal medicine, sleep medicine, and critical care medicine. Medicare claims data shows Gregory provided 1,154 services to 777 patients. The services billed most often include critical care, first 30-74 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1699810689 identifies this record in the national registry.
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
- (559) 738-7511
- Email not available
Practice Locations
5400 W HILLSDALE AVE
Visalia, CA 93291
1303 E Herndon Ave
Fresno, CA 93720
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
Blood vessel disorders
Critical care
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
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
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
- 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
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
Screening
- Low-dose CT lung cancer screening
Sleep equipment
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
1,154 services · 777 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
21 | More often than most peers in Pulmonary Disease |
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
16 | As often as other peers in Pulmonary Disease |
| Aspiration of initial secretion of lung airway using an endoscope | Procedure | 31645 |
13 | Less often than most peers in Pulmonary Disease |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
14 | Less often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
81 | More often than most peers in Pulmonary Disease |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
62 | More often than most peers in Pulmonary Disease |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
33 | As often as other peers in Pulmonary Disease |
| Critical care, first 30-74 minutes | Office visit | 99291 |
448 | More than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
164 | More often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
130 | More 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.
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
Trained at University of Nebraska College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at University of Nebraska College 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 is Gregory C. Warner's specialty?
Gregory C. Warner is a lung specialist in Visalia, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where can I find Gregory C. Warner?
Gregory C. Warner is listed at 5400 W Hillsdale Ave, Visalia, CA 93291. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gregory C. Warner?
The number on file is (559) 738-7511. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gregory C. Warner?
Gregory C. Warner's National Provider Identifier is 1699810689. 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
What is Gregory C. Warner's education?
Gregory C. Warner attended University of Nebraska College of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gregory C. Warner have?
Gregory C. Warner has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What is Gregory C. Warner known for?
According to Medicare billing data, Gregory C. Warner performs procedures including insertion of non-tunneled central venous tube for infusion, emergent insertion of breathing tube into windpipe using an endoscope and aspiration of initial secretion of lung airway using an endoscope; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as test to determine lung volumes using sensors and sleep study in sleep lab with continuous airway pressure, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gregory C. Warner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory C. Warner. If this is you, claiming it is free.
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