Sean O'Reilly, M.D.
Pulmonary Disease Physician · South Weymouth, MA
Sean O'Reilly, M.D. is a pulmonary disease physician with a practice address in South Weymouth, Massachusetts, and NPI 1871527879, issued on Jul 10, 2006. Check the license (Massachusetts 219985, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sean O'Reilly
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 219985 MA
DR.0061516 CO
0101257888 VA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fogg RD, South Weymouth, MA 02190
- Phone
- (781) 624-8000
- Enumerated
- Jul 10, 2006
- Record last updated
- Sep 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20040721001582); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2020
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 569 in Massachusetts → Look up another NPI →
Also registered at 55 Fogg RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anjali Andalkar, M.D.Anatomic Pathology & Clinical Pathology Physician1225005234
- Shaheen AndreasPediatric Emergency Medicine (Pediatrics) Physician1407388614
Verify Sean O'Reilly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 219985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
777 Medicare Part D claims for 124 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta79 claims
- Albuterol Sulfate Hfa73 claims
- Prednisone66 claims
- Anoro Ellipta52 claims
- Azithromycin37 claims
- Spiriva Respimat35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.00
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Coastal Medical AssociatesWeymouth, MA
- South Shore Medical Center, Inc.Norwell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean O'Reilly among 569 pulmonary disease physician records in Massachusetts
Sean O'Reilly, M.D. is one of 569 pulmonary disease physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2020 · median 2003 among the 407 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Massachusetts
There are 569 pulmonary disease physician records in Massachusetts.
All 569 in Massachusetts → Every provider in South Weymouth → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Richard Ashburn, MDSouth Weymouth, MA 021901861492746
- Savitha Devi, MDSouth Weymouth, MA 021901427010446
- Matthew Lowry, MDWeymouth, MA 021901962486894
- John Mazzotta, M.D.Weymouth, MA 021901295707917
- Donald Woodford, M.D.Weymouth, MA 021901215900543
- Antoine Badlissi, M.D.Weymouth, MA 021891912995945
- Saraswathi Devi Muppana, M.D.Milton, MA 021861063461572
- Kevin McCusker, MDBraintree, MA 021841285677377
Common questions
What is Sean O'Reilly, M.D.'s NPI number?
Sean O'Reilly, M.D.'s National Provider Identifier (NPI) is 1871527879, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sean O'Reilly, M.D. located?
The NPPES record lists a practice address at 55 Fogg RD, South Weymouth, MA, 02190. Phone: (781) 624-8000. Providers update this record themselves, so call before visiting.
How can I verify Sean O'Reilly, M.D.'s license?
NPPES lists Massachusetts license number 219985, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sean O'Reilly, M.D. prescribe under Medicare Part D?
In 2024, Sean O'Reilly, M.D. had 777 Medicare Part D claims for 124 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Sean O'Reilly, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.