Kathleen Leflar, FNP
Nurse Practitioner · Boston, MA
Kathleen Leflar, FNP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1700246212, issued on Feb 25, 2016. Check the license (Massachusetts RN284511, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Leflar
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN284511 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-8071
- Enumerated
- Feb 25, 2016
- Record last updated
- Feb 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170106001598); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2015
- 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.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Kathleen Leflar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN284511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mass General Brigham Medical Group Western Massachusetts IncNorthampton, 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 Kathleen Leflar, FNP's NPI number?
Kathleen Leflar, FNP's National Provider Identifier (NPI) is 1700246212, issued on Feb 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Leflar, FNP located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-8071. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Leflar, FNP's license?
NPPES lists Massachusetts license number RN284511, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.