Barbara Elizabeth Lash, R.N.
Registered Nurse · Boston, MA
Barbara Elizabeth Lash, R.N. is a registered nurse with a practice address in Boston, Massachusetts, and NPI 1043339658, issued on Mar 28, 2007. Check the license (Massachusetts 107339, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Barbara Elizabeth Lash
- Credential
- R.N.
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- 107339 MA
Self-reported in NPPES; status is on the state search - Practice location
- 600 Washington St, Boston, MA 02111
- Phone
- (617) 628-4141
- Enumerated
- Mar 28, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 4,985 in Massachusetts → Look up another NPI →
Also registered at 600 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marianne Toole, LICSWClinical Social Worker1053892323
Verify Barbara Elizabeth Lash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 107339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Barbara Elizabeth Lash among 4,985 registered nurse records in Massachusetts
Barbara Elizabeth Lash, R.N. is one of 4,985 registered nurse records with a practice address in Massachusetts. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 2% of them.
- NPI issued2007 · 2% of these records are older, 90% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
684 registered nurse records list a practice address in Boston
They are 684 of the 41,865 NPPES records with a practice address in Boston, and 4,985 registered nurse records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,985 in Massachusetts → Every provider in Boston → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Melissa Batchelder, NNP-BCBoston, MA 021111558197798
- Maudistien Buggs, RNBoston, MA 021111881416311
- Ellen Chen, RN CPNPBoston, MA 021111316167752
- Kayla Efaw-Bashir, AGACNPBoston, MA 021111831891373
- Kelsey Goodman, RNBoston, MA 021111346913175
- Michelle Lew, RNBoston, MA 021111093074288
- George Ortiz, RNBoston, MA 021111336529270
- Marlena OsowskiBoston, MA 021111386335776
Common questions
What is Barbara Elizabeth Lash, R.N.'s NPI number?
Barbara Elizabeth Lash, R.N.'s National Provider Identifier (NPI) is 1043339658, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Elizabeth Lash, R.N. located?
The NPPES record lists a practice address at 600 Washington St, Boston, MA, 02111. Phone: (617) 628-4141. Providers update this record themselves, so call before visiting.
How can I verify Barbara Elizabeth Lash, R.N.'s license?
NPPES lists Massachusetts license number 107339, 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. 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.