Deanna Mcmahon, FNP-C
NPI 1215654744 · Primary Care Nurse Practitioner · Marblehead, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deanna Mcmahon, FNP-C is a Primary Care Nurse Practitioner provider in Marblehead, MA (NPI 1215654744).
Provider details
- NPI number
- 1215654744
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN263972 (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 tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
410 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $110 |
| 2019-Ncov Coronavirus, Sars-Cov-2/2019-Ncov (covid-19), Any Technique, Multiple Types Or Subtypes (includes All Targets), Non-CdcU0002 | 42 | $50 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 37 | $111 |
| Automated Urinalysis Test81003 | 25 | $2 |
| Administration of Influenza Virus VaccineG0008 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 83 | 40 |
| Lisinopril | 79 | 32 |
| Lorazepam | 40 | 29 |
| Amlodipine Besylate | 33 | 19 |
| Metoprolol Succinate | 32 | — |
| Sertraline Hcl | 28 | — |
| Simvastatin | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-10-25
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Deanna Mcmahon's NPI number?
- Deanna Mcmahon's National Provider Identifier (NPI) is 1215654744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deanna Mcmahon's specialty?
- Deanna Mcmahon is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deanna Mcmahon located?
- Deanna Mcmahon's practice location on file with NPPES is 1 Widger Rd, Marblehead, MA 01945-2146.
- What is Deanna Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Deanna Mcmahon is (781) 631-5126.
- Does Deanna Mcmahon accept Medicare?
- Deanna Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deanna Mcmahon's NPI active?
- Yes — Deanna Mcmahon's NPI (1215654744) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.