Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARK DEMATTEO
NPI 1346164027
Marriage & Family Therapist in Philadelphia, PA

Q: What is Mark Dematteo's NPI number?

The NPI number for Mark Dematteo is 1346164027. It was assigned to this individual provider in the NPPES registry on August 6, 2026.

Q: What is Mark Dematteo's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Dematteo was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 06, 2026

1100 N FRONT ST STE 201, PHILADELPHIA, PA 19123(484) 278-3319 Get Directions Write a Review

NPPES record added: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mark Dematteo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK DEMATTEO (NPI 1346164027) is an individual marriage & family therapist in Philadelphia, Pennsylvania and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1346164027

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameMARK DEMATTEO

Location Address1100 N FRONT ST STE 201Philadelphia, PA 19123-1760

Mailing Address3516 New Queen StPhiladelphia, PA 19129-1635 · (724) 953-7421

Phone(484) 278-3319

Sole ProprietorNo

Enumeration DateAugust 6, 2026

NPPES CertifiedAugust 6, 2026

✔ NPI 1346164027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

Definition

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

1100 N FRONT ST STE 201, Philadelphia, PA 19123

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Dematteo's NPI number?

The NPI number for Mark Dematteo is 1346164027. It was assigned to this individual provider in the NPPES registry on August 6, 2026.

Where is Mark Dematteo located?

Mark Dematteo practices at 1100 N Front St Ste 201, Philadelphia, PA 19123. The listed phone number is (484) 278-3319.

What is Mark Dematteo's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Mark Dematteo was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.