Sean O'Reilly, M.D.
NPI 1871527879 · Pulmonary Disease Physician · South Weymouth, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean O'Reilly, M.D. is a Pulmonary Disease Physician provider in South Weymouth, MA (NPI 1871527879).
Provider details
- NPI number
- 1871527879
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 219985 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,033 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 171 | $130 |
| Critical Care, First 30-74 Minutes99291 | 118 | $219 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 110 | $46 |
| Test to Determine Lung Volumes Using Sensors94726 | 95 | $12 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 95 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 75 | $123 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 79 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 73 | 42 |
| Prednisone | 66 | 35 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 52 | 11 |
| Azithromycin | 37 | 21 |
| Tiotropium Bromidebrand: Spiriva Respimat | 35 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 280 Exempla CirLafayette, CO 80026-3370Phone: (303) 338-4545
- 500 Martha Jefferson Dr Fl 5Charlottesville, VA 22911Phone: (434) 654-5260Fax: (434) 654-5261
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2025-09-27
- Certified
- 2025-09-27
Frequently asked questions
- What is Sean O'Reilly's NPI number?
- Sean O'Reilly's National Provider Identifier (NPI) is 1871527879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean O'Reilly's specialty?
- Sean O'Reilly is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Sean O'Reilly located?
- Sean O'Reilly's practice location on file with NPPES is 55 Fogg Rd, South Weymouth, MA 02190-2432.
- What is Sean O'Reilly's phone number?
- The practice phone number listed in the NPPES registry for Sean O'Reilly is (781) 624-8000.
- Does Sean O'Reilly accept Medicare?
- Sean O'Reilly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean O'Reilly's NPI active?
- Yes — Sean O'Reilly's NPI (1871527879) is active in the NPPES registry as of the last update on 2025-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.