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Edit this profileAt a glance
- 33 Oak Avenue, Worcester, MA 01605
About Dr. Schaefer
Oren Schaefer, M.D. practices pulmonary disease in Worcester, MA. Oren is a 1986 graduate of Geisel School of Medicine at Dartmouth. Oren is also listed as specializing in internal medicine. Medicare claims data shows Oren provided 7,833 services to 1,387 patients. The services billed most often include methacholine chloride administered as inhalation solution through a nebulizer, per 1 mg, test for allergy using allergenic extract, and professional service for preparation and provision of 1 or more antigens. The provider's National Provider Identifier (NPI) is 1649252065.
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
- (508) 926-8240
- Email not available
Practice Locations
33 OAK AVENUE
Worcester, MA 01605
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
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
Most searched procedures
Airway care
Airway management
Biopsies
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
Pleural procedures
- Chest tube insertion
- Draining lung fluid
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
Procedures Most Often Billed to Medicare
7,833 services · 1,387 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,918 | As often as other peers in Pulmonary Disease |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
921 | As often as other peers in Pulmonary Disease |
| Professional service for multiple injections of allergen | Treatment | 95117 |
189 | As often as other peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
176 | More often than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
168 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
139 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
116 | More often than most peers in Pulmonary Disease |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
62 | As often as other peers in Pulmonary Disease |
| Test to measure lung airway sensitivity | Treatment | 94070 |
62 | More than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
39 | 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 Worcester 8
Same specialty, same city.
Trained at Geisel School of Medicine at Dartmouth 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 1986 at Geisel School of Medicine at Dartmouth 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 1
Providers in MA who bill this service to Medicare most often.
Common questions
What does Oren Schaefer specialize in?
Oren Schaefer is a lung specialist in Worcester, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is Oren Schaefer located?
Oren Schaefer is listed at 33 Oak Avenue, Worcester, MA 01605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Oren Schaefer's phone number?
The number on file is (508) 926-8240. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Oren Schaefer?
Oren Schaefer's National Provider Identifier is 1649252065. 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 Oren Schaefer train?
Oren Schaefer attended Geisel School of Medicine at Dartmouth, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Oren Schaefer have?
Oren Schaefer has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Oren Schaefer do most often?
According to Medicare billing data, Oren Schaefer provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Oren Schaefer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Oren Schaefer. If this is you, claiming it is free.
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