Mary Dempsey, FNP-BC
NPI 1477033488 · Family Nurse Practitioner · Methuen, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1477033488
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- RN2306438 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 243 | 54 |
| Amlodipine Besylate | 210 | 35 |
| Metoprolol Succinate | 193 | 38 |
| Lisinopril | 178 | 34 |
| Gabapentin | 171 | 38 |
| Trazodone Hcl | 147 | 30 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (1)
- 1200 Salem St Apt 144Lynnfield, MA 01940-1573Phone: (617) 605-5396
Registry dates
- Enumerated
- 2018-08-19
- Last updated
- 2018-08-19
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.