Maureen Johnston, NURSE PRACTITIONER
Primary Care Nurse Practitioner · Cambridge, MA
Maureen Johnston, NURSE PRACTITIONER is a primary care nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1699104828, issued on Nov 7, 2013. Check the license (Massachusetts RN234321, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maureen Johnston
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- RN234321 MA
Self-reported in NPPES; status is on the state search - Practice location
- 25 Carleton St, Cambridge, MA 02142
- Phone
- (617) 253-7625
- Enumerated
- Nov 7, 2013
- Record last updated
- Nov 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (617) 253-6373
- Medicare enrollment
- Enrolled (PECOS I20150319000631); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 376 in Massachusetts → Look up another NPI →
Also registered at 25 Carleton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Neil Jenkins, MDPreventive Medicine/Occupational Environmental Medicine Physician1598080814
- Jennifer Obrien, PH.D.Psychologist1326607680
Verify Maureen Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN234321Check 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
- Massachusetts Institute OF TechnologyCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maureen Johnston among 376 primary care nurse practitioner records in Massachusetts
Maureen Johnston, NURSE PRACTITIONER is one of 376 primary care nurse practitioner records with a practice address in Massachusetts. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 27% of them.
- NPI issued2013 · 27% of these records are older, 69% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2013 · median 2019 among the 196 with a school on file
- Record last updated2013 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Massachusetts
There are 376 primary care nurse practitioner records in Massachusetts.
All 376 in Massachusetts → Every provider in Cambridge → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Deidre Alessio, APRNSomerville, MA 021431487721882
- Linda Miller, RNPSomerville, MA 021431487976965
- Lisa Antonelli, APRNCambridge, MA 021401962577361
- Lisa Ruggiero, NPSomerville, MA 021441366922460
- Mary Hubbard, APRNCambridge, MA 021391154496313
- Kathryn Oas, AGNPCambridge, MA 021391184181380
- Jessica Deary, APRN, CNPCambridge, MA 021381447806831
- Ashley Donaher, FNP-CCambridge, MA 021381518691419
Common questions
What is Maureen Johnston, NURSE PRACTITIONER's NPI number?
Maureen Johnston, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1699104828, issued on Nov 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Maureen Johnston, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 25 Carleton St, Cambridge, MA, 02142. Phone: (617) 253-7625. Providers update this record themselves, so call before visiting.
How can I verify Maureen Johnston, NURSE PRACTITIONER's license?
NPPES lists Massachusetts license number RN234321, 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.