Ellen Nash, NP
NPI 1225198195 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Nash, NP is a Nurse Practitioner provider in Boston, MA (NPI 1225198195).
Provider details
- NPI number
- 1225198195
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 126566 (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
19 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
634 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 293 | $110 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $78 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $111 |
| Administration of Influenza Virus VaccineG0008 | 32 | $33 |
| Removal of Impacted Ear Wax By Washing69209 | 31 | $14 |
| Hemoglobin A1c Level83036 | 22 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 174 | 85 |
| Lisinopril | 122 | 61 |
| Amlodipine Besylate | 105 | 56 |
| Simvastatin | 77 | 36 |
| Omeprazole | 77 | 42 |
| Metoprolol Succinate | 75 | 38 |
| Rosuvastatin Calcium | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ellen Nash's NPI number?
- Ellen Nash's National Provider Identifier (NPI) is 1225198195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Nash's specialty?
- Ellen Nash is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ellen Nash located?
- Ellen Nash's practice location on file with NPPES is 55 Fruit Street, Boston, MA 02114-2696.
- What is Ellen Nash's phone number?
- The practice phone number listed in the NPPES registry for Ellen Nash is (617) 724-6850.
- Does Ellen Nash accept Medicare?
- Ellen Nash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Nash's NPI active?
- Yes — Ellen Nash's NPI (1225198195) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.