Conor John Larson, PMHNP-BC, RN
Psychiatric/Mental Health Nurse Practitioner · Norwell, MA
Conor John Larson, PMHNP-BC, RN is a psychiatric/mental health nurse practitioner with a practice address in Norwell, Massachusetts, and NPI 1376210518, issued on Aug 25, 2021. Check the license (Massachusetts RN2337836, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Conor John Larson
- Credential
- PMHNP-BC, RN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- RN2337836 MA
Self-reported in NPPES; status is on the state search - Practice location
- 293 Washington St, Norwell, MA 02061
- Phone
- (617) 588-0102
- Enumerated
- Aug 25, 2021
- Record last updated
- Jan 27, 2023
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 293 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin FeeleyPsychiatric/Mental Health Nurse Practitioner1770268732
- James Kirby, CNPFamily Nurse Practitioner1558806653
- Olivia Murphy, LMHCMental Health Counselor1205474608
Verify Conor John Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2337836Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
53 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylphenidate Er13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $25.00
1 payment: food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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.
Conor John Larson among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Conor John Larson, PMHNP-BC, RN is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 52% of them.
- NPI issued2021 · 52% of these records are older, 41% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2023 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 psychiatric/mental health nurse practitioner records list a practice address in Norwell
They are 9 of the 981 NPPES records with a practice address in Norwell, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in Norwell → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Ann Anderson, APRN, BCNorwell, MA 020611902980584
- Kristin FeeleyNorwell, MA 020611770268732
- Jessica Kim, PMH-NP-BCNorwell, MA 020611487053328
- Caroline Palmer, PMHNP-BCNorwell, MA 020611598367401
- Adam PoppNorwell, MA 020611932956190
- Sarah RegoNorwell, MA 020611598383978
- Claire Ann Scaramella, PMHNP-BC, CARNNorwell, MA 020611790370138
- Jessica Stanley, APRNNorwell, MA 020611356216543
Common questions
What is Conor John Larson, PMHNP-BC, RN's NPI number?
Conor John Larson, PMHNP-BC, RN's National Provider Identifier (NPI) is 1376210518, issued on Aug 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Conor John Larson, PMHNP-BC, RN located?
The NPPES record lists a practice address at 293 Washington St, Norwell, MA, 02061. Phone: (617) 588-0102. Providers update this record themselves, so call before visiting.
How can I verify Conor John Larson, PMHNP-BC, RN's license?
NPPES lists Massachusetts license number RN2337836, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Conor John Larson, PMHNP-BC, RN prescribe under Medicare Part D?
In 2024, Conor John Larson, PMHNP-BC, RN had 53 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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.