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- 500 University Dr, Hershey, PA 17033
About Dr. Wojnar
Margaret M. Wojnar, MD is a healthcare provider in Hershey, PA specializing in pulmonary disease. Margaret trained at Hahnemann University College of Medicine, graduating in 1980. Medicare claims data shows Margaret provided 736 services to 661 patients. The services billed most often include test to examine how well the lungs exchange gases, test to measure expiratory airflow and volume, and test to determine lung volumes using sensors. This provider record is associated with NPI 1417906603.
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
- (800) 243-1455
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
500 UNIVERSITY DR
Hershey, PA 17033
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
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
Biopsies
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
Airway care
Airway management
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
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep treatments
Specialist evaluations
Specialized testing
Procedures Most Often Billed to Medicare
736 services · 661 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
159 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
140 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
112 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
106 | More often than most peers in Pulmonary Disease |
| Test for exercise-induced lung stress | Treatment | 94618 |
63 | More often than most peers in Pulmonary Disease |
| Other service or procedure on lung | Treatment | 94799 |
18 | Too few peers to compare |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
45 | As often as other peers in Pulmonary Disease |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
33 | As often as other peers in Pulmonary Disease |
| Critical care, first 30-74 minutes | Office visit | 99291 |
22 | 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.
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 Hershey 8
Same specialty, same city.
Trained at Hahnemann University College of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1980 at Hahnemann University College of Medicine 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 PA who bill this service to Medicare most often.
Common questions
What does Dr. Wojnar specialize in?
Dr. Wojnar is a lung specialist in Hershey, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Dr. Wojnar located?
Dr. Wojnar is listed at 500 University Dr, Hershey, PA 17033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Wojnar's phone number?
The number on file is (800) 243-1455. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Wojnar?
Dr. Wojnar's National Provider Identifier is 1417906603. 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. Wojnar go to medical school?
Dr. Wojnar attended Hahnemann University College of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Wojnar have?
Dr. Wojnar has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Wojnar do most often?
According to Medicare billing data, Dr. Wojnar provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Wojnar's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Wojnar. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.