IndividualActive
Isabel Regan
NPI 1679401418 · Physician Assistant · Boston, MA
Isabel Regan is a Physician Assistant provider in Boston, MA (NPI 1679401418).
Provider details
- NPI number
- 1679401418
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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.
Practice location
300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
Street-level locationGet directions
Mailing address
478 Shawmut Ave Apt 7
Boston, MA 02118-3321
Registry dates
- Enumerated
- 2026-05-12
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Isabel Regan's NPI number?
- Isabel Regan's National Provider Identifier (NPI) is 1679401418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Regan's specialty?
- Isabel Regan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Isabel Regan located?
- Isabel Regan's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Isabel Regan's phone number?
- The practice phone number listed in the NPPES registry for Isabel Regan is (617) 355-6000.
- Is Isabel Regan's NPI active?
- Yes — Isabel Regan's NPI (1679401418) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.