Mary Dempsey, FNP-BC
Family Nurse Practitioner · Methuen, MA
Mary Dempsey, FNP-BC is a family nurse practitioner with a practice address in Methuen, Massachusetts, and NPI 1477033488, issued on Aug 19, 2018. Check the license (Massachusetts RN2306438, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Dempsey
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2306438 MA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Ingalls CT, Methuen, MA 01844
- Phone
- (877) 803-5564
- Enumerated
- Aug 19, 2018
- Record last updated
- Aug 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251118001980); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 12 Ingalls CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tamara CasadoClinical Social Worker1770904401
- Mackenzie Contreras, MSW, LCSWClinical Social Worker1992315147
- Crystiana Gay, CNPGerontology Nurse Practitioner1275121402
- Emily Graziano, DPTPhysical Therapist1871871814
- Janessa Heger Ewart, RNRegistered Nurse1497344964
Verify Mary Dempsey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2306438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average family nurse practitioner in 2024
5,869 Medicare Part D claims for 233 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 78 claims were for opioids.
Most prescribed
- Atorvastatin Calcium243 claims
- Amlodipine Besylate210 claims
- Metoprolol Succinate193 claims
- Lisinopril178 claims
- Gabapentin171 claims
- Trazodone Hcl147 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.
Mary Dempsey among 4,724 family nurse practitioner records in Massachusetts
Mary Dempsey, 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 2018, is newer than 49% of them.
- NPI issued2018 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2018 · 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).
29 family nurse practitioner records list a practice address in Methuen
They are 29 of the 881 NPPES records with a practice address in Methuen, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Methuen → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Scott Arthur, APRNMethuen, MA 018441922479799
- Jude Atem, FNPMethuen, MA 018441881011765
- Melanie Burgess, CNPMethuen, MA 018441760956536
- Anh Duong, NPMethuen, MA 018441366811200
- Carissa Foley, FNP-BCMethuen, MA 018441114393865
- Jennie Kelly, NPMethuen, MA 018441912445479
- Helen Laliberte-Fricano, NPMethuen, MA 018441184613812
- Rojee Maharjan, CNPMethuen, MA 018441366004145
Common questions
What is Mary Dempsey, FNP-BC's NPI number?
Mary Dempsey, FNP-BC's National Provider Identifier (NPI) is 1477033488, issued on Aug 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Dempsey, FNP-BC located?
The NPPES record lists a practice address at 12 Ingalls CT, Methuen, MA, 01844. Phone: (877) 803-5564. Providers update this record themselves, so call before visiting.
How can I verify Mary Dempsey, FNP-BC's license?
NPPES lists Massachusetts license number RN2306438, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Dempsey, FNP-BC prescribe under Medicare Part D?
In 2024, Mary Dempsey, FNP-BC had 5,869 Medicare Part D claims for 233 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.