Elizabeth Ashley O'Neil, CNP
Family Nurse Practitioner · Cambridge, MA
Elizabeth Ashley O'Neil, CNP is a family nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1811416563, issued on Sep 13, 2017. Check the license (Massachusetts RN2290264, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Ashley O'Neil
- Credential
- CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2290264 MA
Self-reported in NPPES; status is on the state search - Practice location
- 36 White St, Cambridge, MA 02140
- Phone
- (617) 876-5519
- Enumerated
- Sep 13, 2017
- Record last updated
- Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 36 White St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Peter Kim, PHARMD, RPHPharmacist1720950520
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Verify Elizabeth Ashley O'Neil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2290264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $992.76
19 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Elizabeth Ashley O'Neil among 4,724 family nurse practitioner records in Massachusetts
Elizabeth Ashley O'Neil, CNP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 44% of them.
- NPI issued2017 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2021 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 family nurse practitioner records list a practice address in Cambridge
They are 68 of the 5,145 NPPES records with a practice address in Cambridge, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Cambridge → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lijimol BijuCambridge, MA 021401285230888
- Mary Eaton, N.P.Cambridge, MA 021401043492192
- Nicole GibbonsCambridge, MA 021401295332989
- Lucy Hollister, FNP-BCNorth Cambridge, MA 021401639010747
- Tiffany Luongo, FNP, RNCambridge, MA 021401013470194
- Leigh Poitevent, FNP-BCCambridge, MA 021401053713032
- On Seng, NP-CCambridge, MA 021401992358162
- Katherine WhangCambridge, MA 021401104161264
Common questions
What is Elizabeth Ashley O'Neil, CNP's NPI number?
Elizabeth Ashley O'Neil, CNP's National Provider Identifier (NPI) is 1811416563, issued on Sep 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Ashley O'Neil, CNP located?
The NPPES record lists a practice address at 36 White St, Cambridge, MA, 02140. Phone: (617) 876-5519. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Ashley O'Neil, CNP's license?
NPPES lists Massachusetts license number RN2290264, 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.