Margret O'Byrne Nelson, RN BSN ACRN
Ambulatory Care Registered Nurse · Boston, MA
Margret O'Byrne Nelson, RN BSN ACRN is an ambulatory care registered nurse with a practice address in Boston, Massachusetts, and NPI 1063553634, issued on Feb 8, 2007. Check the license (Massachusetts 217252, 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
- Margret O'Byrne Nelson
- Credential
- RN BSN ACRN
- Primary taxonomy
- Ambulatory Care Registered Nurse 163WP2201X
- License number
- 217252 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 724-1912
- Enumerated
- Feb 8, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (617) 726-7653
- Entity
- Type 1 · individual
8 nearest ambulatory care registered nurse records → All 164 in Massachusetts → Look up another NPI →
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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Verify Margret O'Byrne Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 217252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margret O'Byrne Nelson among 164 ambulatory care registered nurse records in Massachusetts
Margret O'Byrne Nelson, RN BSN ACRN is one of 164 ambulatory care 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, 84% 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 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP2201X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ambulatory Care Registered Nurse providers in Massachusetts
There are 164 ambulatory care registered nurse records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 164 in Massachusetts → Every provider in Boston → Ambulatory Care Registered Nurse nationwide →
The 8 ambulatory care registered nurse records with the nearest ZIP codes
- Mary Bates, RNBoston, MA 021141003207549
- Michelle Gurel, RNBoston, MA 021141740338409
- Annette Levitt, R.NBoston, MA 021141346394541
- Donna Makosky, RNBoston, MA 021141568689115
- Nan Midgley, RNBoston, MA 021141902946080
- Andrew Morin, RN, AMB-BCBoston, MA 021141891574380
- Ann Quealy, RNBoston, MA 021141821141516
- Donna Wolfrum, RNBoston, MA 021141487895249
Common questions
What is Margret O'Byrne Nelson, RN BSN ACRN's NPI number?
Margret O'Byrne Nelson, RN BSN ACRN's National Provider Identifier (NPI) is 1063553634, issued on Feb 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margret O'Byrne Nelson, RN BSN ACRN located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-1912. Providers update this record themselves, so call before visiting.
How can I verify Margret O'Byrne Nelson, RN BSN ACRN's license?
NPPES lists Massachusetts license number 217252, 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.