What is Sonia Feil's NPI number?

Sonia Feil's National Provider Identifier (NPI) is 1568335933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sonia Feil's specialty?

Sonia Feil is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Sonia Feil located?

Sonia Feil's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.

What is Sonia Feil's phone number?

The practice phone number listed in the NPPES registry for Sonia Feil is (617) 355-6000.

Is Sonia Feil's NPI active?

Yes — Sonia Feil's NPI (1568335933) is active in the NPPES registry as of the last update on 2025-09-24.

IndividualActive

Sonia Feil, RN, BSN

NPI 1568335933 · Registered Nurse · Boston, MA

Sonia Feil, RN, BSN is a Registered Nurse provider in Boston, MA (NPI 1568335933).

Provider details

NPI number: 1568335933
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN, BSN
Sex: Female
Sole proprietor: No
License: RN790218 (PA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense RN10012351 (MA)
Nursing Service Providers
Registered Nurse163W00000XLicense RN790218 (PA)
Nursing Service Providers

Profile Score

Established profile(54/100 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
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.

Practice location

300 Longwood Ave

Boston, MA 02115-5724

Phone: (617) 355-6000

Street-level locationGet directions

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Mailing address