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- 9450 S Saginaw Rd, Suite E, Grand Blanc, MI 48439
About Dr. Streff
Gregory J. Streff, DO is a healthcare provider in Grand Blanc, MI specializing in pulmonary disease. Gregory trained at Des Moines University of Osteopathic Medicine and Health Sciences, graduating in 1983. Medicare claims data shows Gregory provided 1,638 services to 1,263 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, test to examine how well the lungs exchange gases, and test to measure expiratory airflow and volume changes before and after medication administration. This provider record is associated with NPI 1558314005.
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
- (810) 695-4000
- Email not available
Practice Locations
9450 S SAGINAW RD SUITE E
Grand Blanc, MI 48439
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
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
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
- Trach Tube Care and Changing
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
- Breathing Treatment
Procedures Most Often Billed to Medicare
1,638 services · 1,263 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
186 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
183 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
141 | More often than most peers in Pulmonary Disease |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
44 | As often as other peers in Pulmonary Disease |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
43 | As often as other peers in Pulmonary Disease |
| Test for exercise-induced lung stress | Treatment | 94618 |
27 | As often as other peers in Pulmonary Disease |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
15 | Less 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 |
752 | 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 |
103 | More often than most peers in Pulmonary Disease |
| 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 |
67 | 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.
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 Grand Blanc 5
Same specialty, same city.
Trained at Des Moines University of Osteopathic Medicine and Health Sciences 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1983 at Des Moines University of Osteopathic Medicine and Health Sciences 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 7
Providers in MI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Streff?
Dr. Streff is a lung specialist in Grand Blanc, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
What is Dr. Streff's address?
Dr. Streff is listed at 9450 S Saginaw Rd Suite E, Grand Blanc, MI 48439. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Streff?
The number on file is (810) 695-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Streff?
Dr. Streff's National Provider Identifier is 1558314005. 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. Streff train?
Dr. Streff attended Des Moines University of Osteopathic Medicine and Health Sciences, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Streff have?
Dr. Streff has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Streff perform?
According to Medicare billing data, Dr. Streff provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume changes before and after medication administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Streff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Streff. If this is you, claiming it is free.
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