What is Steven Mattis's NPI number?

Steven Mattis's National Provider Identifier (NPI) is 1285839324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Steven Mattis's specialty?

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

Where is Steven Mattis located?

Steven Mattis's practice location on file with NPPES is 34 S Broadway, White Plains, NY 10601-4400.

What is Steven Mattis's phone number?

The practice phone number listed in the NPPES registry for Steven Mattis is (914) 997-5151.

Is Steven Mattis's NPI active?

Yes — Steven Mattis's NPI (1285839324) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Steven Mattis, PH.D.

NPI 1285839324 · Psychologist · White Plains, NY

Steven Mattis, PH.D. is a Psychologist provider in White Plains, NY (NPI 1285839324).

Provider details

NPI number: 1285839324
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: No
License: 003294-0 (NY)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 003294-0 (NY)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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

34 S Broadway

Suite 100

White Plains, NY 10601-4400

Phone: (914) 997-5151

Fax: (914) 997-0333

Street-level locationGet directions

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Mailing address