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- 1661 Holland Rd, Suite 200, Maumee, OH 43537
About Dr. Fernandes
Karl S. Fernandes, MD is a healthcare provider in Maumee, OH specializing in pulmonary disease. Karl trained at Ohio State University College of Medicine, graduating in 1991. Karl is also listed as specializing in critical care medicine and sleep medicine. Medicare claims data shows Karl provided 1,942 services to 1,484 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and critical care, first 30-74 minutes. This provider record is associated with NPI 1497736441.
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
- (419) 843-7800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1661 HOLLAND RD SUITE 200
Maumee, OH 43537
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
Chronic 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
Critical care
Diagnostic findings
- Swollen Chest Lymph Nodes
Environmental lung diseases
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
Biopsies
- Lung Biopsy
- Lung Cryobiopsy
Breathing
- CPAP Setup and Mask Troubleshooting
- Home Oxygen Therapy Training
- Nebulizer Breathing Treatment Training
Pleural procedures
- Draining lung fluid
- Chest tube insertion
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Sleep medicine
- At-home sleep test
- BiPAP therapy
- CPAP titration
- Overnight oxygen study
- Sleep study
Treatments
Most searched procedures
- Bronchoscopy
- Oxygen therapy management
- Pulmonary function test
- Spirometry
Airway care
Airway management
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
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 treatments
- Sleep Apnea Dental Device Evaluation
Specialist evaluations
- Lung Transplant Evaluation
- Lung Volume Reduction Evaluation
Specialized testing
- High-Altitude Oxygen Test
Procedures Most Often Billed to Medicare
1,942 services · 1,484 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
16 | Less often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
130 | More often than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
91 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
86 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
79 | More often than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
54 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
44 | As often as other peers in Pulmonary Disease |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
37 | As often as other peers in Pulmonary Disease |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
32 | As often as other peers in Pulmonary Disease |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
25 | As often as other 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 26 related providers in 4 groups
Other lung specialists in Maumee 2
Same specialty, same city.
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration of fluid from chest cavity using imaging guidance 8
Providers in OH who bill this service to Medicare most often.
Common questions
What does Dr. Fernandes specialize in?
Dr. Fernandes is a lung specialist in Maumee, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Dr. Fernandes located?
Dr. Fernandes is listed at 1661 Holland Rd Suite 200, Maumee, OH 43537. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Fernandes's phone number?
The number on file is (419) 843-7800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Fernandes?
Dr. Fernandes's National Provider Identifier is 1497736441. 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 Dr. Fernandes go to medical school?
Dr. Fernandes attended Ohio State University College of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Fernandes have?
Dr. Fernandes has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Fernandes do most often?
According to Medicare billing data, Dr. Fernandes performs procedures including aspiration of fluid from chest cavity using imaging guidance; provides treatments such as test to measure expiratory airflow and volume and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Fernandes's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fernandes. If this is you, claiming it is free.
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