What is Mary Barnes's NPI number?

Mary Barnes's National Provider Identifier (NPI) is 1003755240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Barnes's specialty?

Mary Barnes is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Mary Barnes located?

Mary Barnes's practice location on file with NPPES is 16 Railroad Pl # 1014, Westport, CT 06880-5912.

What is Mary Barnes's phone number?

The practice phone number listed in the NPPES registry for Mary Barnes is (203) 293-8601.

Is Mary Barnes's NPI active?

Yes — Mary Barnes's NPI (1003755240) is active in the NPPES registry as of the last update on 2026-03-25.

IndividualActive

Mary Barnes, PH.D.

NPI 1003755240 · Clinical Psychologist · Westport, CT

Mary Barnes, PH.D. is a Clinical Psychologist provider in Westport, CT (NPI 1003755240).

Provider details

NPI number: 1003755240
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Female
Sole proprietor: Yes
License: 5327 (CT)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 5327 (CT)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 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

16 Railroad Pl # 1014

Westport, CT 06880-5912

Phone: (203) 293-8601

Street-level locationGet directions

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Mailing address