Eileen Regan
NPI 1073912291 · Adult Health Nurse Practitioner · Boston, MA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eileen Regan is a Adult Health Nurse Practitioner provider in Boston, MA (NPI 1073912291).
Provider details
- NPI number
- 1073912291
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 133647 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 92 | 44 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 45 | 22 |
| Omeprazole | 35 | 18 |
| Apixabanbrand: Eliquis | 35 | 13 |
| Gabapentin | 29 | 11 |
| Dexamethasone | 25 | 17 |
| Lenalidomidebrand: Revlimid | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-14
- Last updated
- 2014-08-14
Frequently asked questions
- What is Eileen Regan's NPI number?
- Eileen Regan's National Provider Identifier (NPI) is 1073912291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen Regan's specialty?
- Eileen Regan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eileen Regan located?
- Eileen Regan's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215-5418.
- What is Eileen Regan's phone number?
- The practice phone number listed in the NPPES registry for Eileen Regan is (617) 632-3898.
- Does Eileen Regan accept Medicare?
- Eileen Regan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eileen Regan's NPI active?
- Yes — Eileen Regan's NPI (1073912291) is active in the NPPES registry as of the last update on 2014-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.