What is Fiona O'Sullivan's NPI number?

Fiona O'Sullivan's National Provider Identifier (NPI) is 1356127120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Fiona O'Sullivan's specialty?

Fiona O'Sullivan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Fiona O'Sullivan located?

Fiona O'Sullivan's practice location on file with NPPES is 359 Fenn St, Pittsfield, MA 01201-5261.

What is Fiona O'Sullivan's phone number?

The practice phone number listed in the NPPES registry for Fiona O'Sullivan is (413) 499-0412.

Is Fiona O'Sullivan's NPI active?

Yes — Fiona O'Sullivan's NPI (1356127120) is active in the NPPES registry as of the last update on 2023-09-06.

IndividualActive

Fiona O'Sullivan, MSW

NPI 1356127120 · Clinical Social Worker · Pittsfield, MA

Fiona O'Sullivan, MSW is a Clinical Social Worker provider in Pittsfield, MA (NPI 1356127120).

Provider details

NPI number: 1356127120
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: MSW
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700X
Behavioral Health & Social Service Providers

Profile Score

Established profile(51/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES 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

359 Fenn St

Pittsfield, MA 01201-5261

Phone: (413) 499-0412

Street-level locationGet directions

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Mailing address