What is Marielle Mathews's NPI number?

Marielle Mathews's National Provider Identifier (NPI) is 1922866334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marielle Mathews's specialty?

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

Where is Marielle Mathews located?

Marielle Mathews's practice location on file with NPPES is 525 W Chester Pike, Havertown, PA 19083-4500.

What is Marielle Mathews's phone number?

The practice phone number listed in the NPPES registry for Marielle Mathews is (484) 254-6371.

Is Marielle Mathews's NPI active?

Yes — Marielle Mathews's NPI (1922866334) is active in the NPPES registry as of the last update on 2025-12-02.

IndividualActive

Marielle Mathews, PSYD

NPI 1922866334 · Psychologist · Havertown, PA

Marielle Mathews, PSYD is a Psychologist provider in Havertown, PA (NPI 1922866334).

Provider details

NPI number: 1922866334
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Female
Sole proprietor: Yes
License: PS018751 (PA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense PS018751 (PA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(57/100 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
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

525 W Chester Pike

Havertown, PA 19083-4500

Phone: (484) 254-6371

Street-level locationGet directions

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Mailing address