What is Paul Losoff's NPI number?

Paul Losoff's National Provider Identifier (NPI) is 1598163008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Paul Losoff's specialty?

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

Where is Paul Losoff located?

Paul Losoff's practice location on file with NPPES is 910 Skokie Blvd Ste 208, Northbrook, IL 60062-4033.

What is Paul Losoff's phone number?

The practice phone number listed in the NPPES registry for Paul Losoff is (773) 389-2352.

Is Paul Losoff's NPI active?

Yes — Paul Losoff's NPI (1598163008) is active in the NPPES registry as of the last update on 2026-04-14.

IndividualActive

Paul Losoff, PSY.D.

NPI 1598163008 · Psychologist · Northbrook, IL

Paul Losoff, PSY.D. is a Psychologist provider in Northbrook, IL (NPI 1598163008).

Provider details

NPI number: 1598163008
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSY.D.
Sex: Male
Sole proprietor: Yes
License: 071008946 (IL)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 071008946 (IL)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(75/100 index)

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

Registry tenure38% of score
11 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

910 Skokie Blvd Ste 208

Northbrook, IL 60062-4033

Phone: (773) 389-2352

Street-level locationGet directions

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Mailing address