Kayla Marie O'Brien, CNP
Pediatric Nurse Practitioner · Boston, MA
Kayla Marie O'Brien, CNP is a pediatric nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1437673530, issued on Jul 31, 2017. Check the license (Massachusetts RN2292984, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kayla Marie O'Brien
- Credential
- CNP
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License number
- RN2292984 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6000
- Enumerated
- Jul 31, 2017
- Record last updated
- Sep 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201023002556); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 1,311 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Abadir, MDPediatric Cardiology Physician1427366459
- Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
- Kristin Abdelnour, PTPhysical Therapist1982821302
- Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
- Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
- Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233
Verify Kayla Marie O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2292984Check 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
- Boston Pediatric Neurosurgical Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kayla Marie O'Brien among 1,311 pediatric nurse practitioner records in Massachusetts
Kayla Marie O'Brien, CNP is one of 1,311 pediatric nurse practitioner records with a practice address in Massachusetts. 23% 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 62% of them.
- NPI issued2017 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2017 · median 2016 among the 143 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
630 pediatric nurse practitioner records list a practice address in Boston
They are 630 of the 41,865 NPPES records with a practice address in Boston, and 1,311 pediatric nurse practitioner records in Massachusetts.
All 1,311 in Massachusetts → Every provider in Boston → Pediatric Nurse Practitioner nationwide →
The 8 pediatric nurse practitioner records with the nearest ZIP codes
- Karen Balestrieri, PNP-CBoston, MA 021151437148236
- Melissa Bennett-Carini, C. P. N. P.Boston, MA 021151790759108
- Karyn Brundige, RN, APRNBoston, MA 021151831156520
- Wendy Bugos, NPBoston, MA 021151407829351
- Jessica Burns, NPBoston, MA 021151275599144
- Rachel Difazio, NPBoston, MA 021151609832260
- Jennifer Eile, NPBoston, MA 021151962461335
- Amy Federico, NPBoston, MA 021151235193186
Common questions
What is Kayla Marie O'Brien, CNP's NPI number?
Kayla Marie O'Brien, CNP's National Provider Identifier (NPI) is 1437673530, issued on Jul 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kayla Marie O'Brien, CNP located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.
How can I verify Kayla Marie O'Brien, CNP's license?
NPPES lists Massachusetts license number RN2292984, 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.