Charlene Margaret O'Reilly, NP
Nurse Practitioner · Boston, MA
Charlene Margaret O'Reilly, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1174059455, issued on May 5, 2017. Check the license (Massachusetts RN2273959, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charlene Margaret O'Reilly
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2273959 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-2000
- Enumerated
- May 5, 2017
- Record last updated
- May 5, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171004002374); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Charlene Margaret O'Reilly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2273959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,062 Medicare Part D claims for 264 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Succinate156 claims
- Atorvastatin Calcium111 claims
- Amlodipine Besylate74 claims
- Rosuvastatin Calcium66 claims
- Losartan Potassium57 claims
- Furosemide47 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.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
961 nurse practitioner records list a practice address in Boston
They are 961 of the 41,865 NPPES records with a practice address in Boston, and 3,480 nurse practitioner records in Massachusetts.
All 961 in Boston → All 3,480 in Massachusetts → Every provider in Boston →
Other nurse practitioner records in Massachusetts
- Paula Abate, NPWorcester, MA1336265909
- Carolyn Abbanat Villafane, NPBoston, MA1598810269
- Lisa Abbondanza, CNPFranklin, MA1770892630
- Elizabeth Abbruzzese, NPWorcester, MA1326645300
- Alberta Abbuah, PMHNPFramingham, MA1437873411
- Fatima AbdallaMelrose, MA1326407529
- Israh AbdeljaberWorcester, MA1912629528
- Erika AbeidFairhaven, MA1831084839
- Nina AbelowitzConcord, MA1528201704
- Esayas Abraham, NPChelsea, MA1851275895
Common questions
What is Charlene Margaret O'Reilly, NP's NPI number?
Charlene Margaret O'Reilly, NP's National Provider Identifier (NPI) is 1174059455, issued on May 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Charlene Margaret O'Reilly, NP located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.
How can I verify Charlene Margaret O'Reilly, NP's license?
NPPES lists Massachusetts license number RN2273959, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Charlene Margaret O'Reilly, NP prescribe under Medicare Part D?
In 2024, Charlene Margaret O'Reilly, NP had 1,062 Medicare Part D claims for 264 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
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.