What is John Wallace's NPI number?

John Wallace's National Provider Identifier (NPI) is 1841483047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Wallace's specialty?

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

Where is John Wallace located?

John Wallace's practice location on file with NPPES is 275 North St, Harrison, NY 10528-1524.

What is John Wallace's phone number?

The practice phone number listed in the NPPES registry for John Wallace is (914) 337-6033.

Is John Wallace's NPI active?

Yes — John Wallace's NPI (1841483047) is active in the NPPES registry as of the last update on 2007-08-21.

IndividualActive

John Wallace, PH.D.

NPI 1841483047 · Psychologist · Harrison, NY

John Wallace, PH.D. is a Psychologist provider in Harrison, NY (NPI 1841483047).

Provider details

NPI number: 1841483047
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: Yes
License: 005179-1 (NY)

Practice location

275 North St

Harrison, NY 10528-1524

Phone: (914) 337-6033

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

275 North St

Harrison, NY 10528-1524

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 005179-1 (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.

Enumerated: 2007-08-21
Last updated: 2007-08-21

Frequently asked questions

What is John Wallace's NPI number?: John Wallace's National Provider Identifier (NPI) is 1841483047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Wallace's specialty?: John Wallace is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
Where is John Wallace located?: John Wallace's practice location on file with NPPES is 275 North St, Harrison, NY 10528-1524.
What is John Wallace's phone number?: The practice phone number listed in the NPPES registry for John Wallace is (914) 337-6033.
Is John Wallace's NPI active?: Yes — John Wallace's NPI (1841483047) is active in the NPPES registry as of the last update on 2007-08-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions