Marguerite Marie Guillaume, NP
Psychiatric/Mental Health Nurse Practitioner · South Weymouth, MA
Marguerite Marie Guillaume, NP is a psychiatric/mental health nurse practitioner with a practice address in South Weymouth, Massachusetts, and NPI 1982158515, issued on Aug 11, 2016. Check the license (Massachusetts 2279920, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marguerite Marie Guillaume
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 2279920 MA
RN2279920 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fogg RD, South Weymouth, MA 02190
- Phone
- (781) 624-8928
- Enumerated
- Aug 11, 2016
- Record last updated
- Mar 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20180523002560); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 55 Fogg RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Essmaeel Abdel-Dayem, MDDiagnostic Radiology Physician1427088335
- Rafael Altieri, M.D.Diagnostic Radiology Physician1295791119
- Sarah AmeriDiagnostic Radiology Physician1194347567
- Nita Amornsiripanitch, M.D.Diagnostic Radiology Physician1063791887
- Anjali Andalkar, M.D.Anatomic Pathology & Clinical Pathology Physician1225005234
- Shaheen AndreasPediatric Emergency Medicine (Pediatrics) Physician1407388614
Verify Marguerite Marie Guillaume in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2279920Check 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: $75.72
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
Bills Medicare through one group practice
- Coastal Medical AssociatesWeymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marguerite Marie Guillaume among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Marguerite Marie Guillaume, NP 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 2016, is newer than 27% of them.
- NPI issued2016 · 27% of these records are older, 68% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2021 among the 1,309 with a school on file
- Record last updated2025 · 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).
Psychiatric/Mental Health Nurse Practitioner providers in Massachusetts
There are 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in South Weymouth → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Jennifer GraySouth Weymouth, MA 021901649679614
- Donna Hudson-Bryant, FNP-BC, PMHNP-BCWeymouth, MA 021901013341858
- Rebecca Jollotta, APRNWeymouth, MA 021901972887362
- Robyn Kinsherf, PMHNPWeymouth, MA 021901043878234
- Jenny Law, NPWeymouth, MA 021901255071130
- Sarah Peifer, PMHNP-BCSouth Weymouth, MA 021901821440835
- Daniel Regan, CNPWeymouth, MA 021901295879260
- Meredith Richardson, RN, PMHNP-BCWeymouth, MA 021901144521527
Common questions
What is Marguerite Marie Guillaume, NP's NPI number?
Marguerite Marie Guillaume, NP's National Provider Identifier (NPI) is 1982158515, issued on Aug 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marguerite Marie Guillaume, NP located?
The NPPES record lists a practice address at 55 Fogg RD, South Weymouth, MA, 02190. Phone: (781) 624-8928. Providers update this record themselves, so call before visiting.
How can I verify Marguerite Marie Guillaume, NP's license?
NPPES lists Massachusetts license number 2279920, 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.