Mary Charlotte Guertin, DNP, APRN, FNP-BC
Family Nurse Practitioner · Palmer, MA
Mary Charlotte Guertin, DNP, APRN, FNP-BC is a family nurse practitioner with a practice address in Palmer, Massachusetts, and NPI 1285146498, issued on Oct 27, 2017. Check the license (Massachusetts RN195723, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Charlotte Guertin
- Credential
- DNP, APRN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN195723 MA
Self-reported in NPPES; status is on the state search - Practice location
- 40 Wright St, Palmer, MA 01069
- Phone
- (413) 370-5400
- Enumerated
- Oct 27, 2017
- Record last updated
- Feb 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (413) 370-5654
- Medicare enrollment
- Enrolled (PECOS I20171128002725); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 40 Wright St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khaled Abdelkader, MDInternal Medicine Physician1902838451
- Munir Ahmad, M.D.Rheumatology Physician1124126602
- Evan Altman, DOFamily Medicine Physician1760750855
- Marie Armentano, M.D.Psychiatry Physician1245278514
- Kyrsten BeliniStudent in an Organized Health Care Education/Training Program1750838579
- Gabriella Bilyeu, DOEmergency Medicine Physician1124758719
Verify Mary Charlotte Guertin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN195723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family nurse practitioner in 2024
129 Medicare Part D claims for 78 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydrocortisone58 claims
- Procto-Med Hc12 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.
Bills Medicare through one group practice
- Baystate Medical Practices IncWare, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Charlotte Guertin among 4,724 family nurse practitioner records in Massachusetts
Mary Charlotte Guertin, DNP, APRN, FNP-BC is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% 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 44% of them.
- NPI issued2017 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2019 among the 2,704 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family nurse practitioner records list a practice address in Palmer
They are 15 of the 246 NPPES records with a practice address in Palmer, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Palmer → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kayla Aliengena, NPPalmer, MA 010691255002622
- Marie Chivers, NPPalmer, MA 010691801853395
- Suzanne Dabakis-Choquette, NPPalmer, MA 010691568643880
- Michael Fine, NPPalmer, MA 010691932552858
- Rebecca Gurney, NPPalmer, MA 010691265830764
- Elizabeth Jarry, NPPalmer, MA 010691366921983
- Emily Lambert, NP-CPalmer, MA 010691790324317
- Laura Morris, F.N.P.Palmer, MA 010691982769048
Common questions
What is Mary Charlotte Guertin, DNP, APRN, FNP-BC's NPI number?
Mary Charlotte Guertin, DNP, APRN, FNP-BC's National Provider Identifier (NPI) is 1285146498, issued on Oct 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mary Charlotte Guertin, DNP, APRN, FNP-BC located?
The NPPES record lists a practice address at 40 Wright St, Palmer, MA, 01069. Phone: (413) 370-5400. Providers update this record themselves, so call before visiting.
How can I verify Mary Charlotte Guertin, DNP, APRN, FNP-BC's license?
NPPES lists Massachusetts license number RN195723, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Charlotte Guertin, DNP, APRN, FNP-BC prescribe under Medicare Part D?
In 2024, Mary Charlotte Guertin, DNP, APRN, FNP-BC had 129 Medicare Part D claims for 78 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.