Physician Profile
Sean O'Reilly, M.D. practices pulmonary disease in South Weymouth, MA. Sean is a 2020 graduate of University of Massachusetts Medical School. Sean is also listed as specializing in critical care medicine and sleep medicine. Medicare claims data shows Sean provided 1,033 services to 889 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, critical care, first 30-74 minutes, and sleep study including heart rate, breathing, airflow, and effort.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
55 FOGG RD
South Weymouth, MA 02190
500 Martha Jefferson Dr Fl 5
Charlottesville, VA 22911
280 Exempla Cir
Lafayette, CO 80026
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.
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
Structural lung conditions
Symptoms
Most searched procedures
Airway care
Airway management
Biopsies
Biopsies & diagnostics
Breathing tests
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Pleural procedures
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep medicine
Sleep treatments
Specialist evaluations
Specialized testing
Treatments
1,033 services · 889 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
27 | As often as other peers in Pulmonary Disease |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
14 | As often as other peers in Pulmonary Disease |
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
12 | |
| X-ray of chest, 2 views | Imaging | 71046 |
26 | |
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
110 | More than most peers in Pulmonary Disease |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
95 | As often as other peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
95 | More often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
74 | As often as other peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
22 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
171 | 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.
Sean O'Reilly is a lung specialist in South Weymouth, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Sean O'Reilly is listed at 55 Fogg Rd, South Weymouth, MA 02190. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (781) 624-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sean O'Reilly's National Provider Identifier is 1871527879. 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
Sean O'Reilly attended University of Massachusetts Medical School, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
Sean O'Reilly has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Sean O'Reilly performs procedures including insertion of needle into vein for collection of blood sample, insertion of non-tunneled central venous tube for infusion and emergent insertion of breathing tube into windpipe using an endoscope; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as sleep study including heart rate, breathing, airflow, and effort 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
Not yet. This profile is built from public federal data and has not been confirmed by Sean O'Reilly. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.