What is Diane Johnson-Loush's NPI number?

Diane Johnson-Loush's National Provider Identifier (NPI) is 1639592546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane Johnson-Loush's specialty?

Diane Johnson-Loush is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Diane Johnson-Loush located?

Diane Johnson-Loush's practice location on file with NPPES is 39450 W 12 Mile Rd, Novi, MI 48377-3600.

What is Diane Johnson-Loush's phone number?

The practice phone number listed in the NPPES registry for Diane Johnson-Loush is (248) 661-7393.

Is Diane Johnson-Loush's NPI active?

Yes — Diane Johnson-Loush's NPI (1639592546) is active in the NPPES registry as of the last update on 2014-01-28.

IndividualActive

Diane Johnson-Loush, LLP, LMSW

NPI 1639592546 · Psychologist · Novi, MI

Diane Johnson-Loush, LLP, LMSW is a Psychologist provider in Novi, MI (NPI 1639592546).

Provider details

NPI number: 1639592546
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: LLP, LMSW
Sex: Female
Sole proprietor: No
License: 6301004065 (MI)

Practice location

39450 W 12 Mile Rd

Novi, MI 48377-3600

Phone: (248) 661-7393

Street-level locationGet directions

More MI providers

Mailing address

39450 W 12 Mile Rd

Novi, MI 48377-3600

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 6301004065 (MI)
Behavioral Health & Social Service Providers
Social Worker104100000XLicense 6801033244 (MI)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(77/100 index)

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

Registry tenure38% of score
12 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: 2014-01-28
Last updated: 2014-01-28

Frequently asked questions

What is Diane Johnson-Loush's NPI number?: Diane Johnson-Loush's National Provider Identifier (NPI) is 1639592546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Diane Johnson-Loush's specialty?: Diane Johnson-Loush is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
Where is Diane Johnson-Loush located?: Diane Johnson-Loush's practice location on file with NPPES is 39450 W 12 Mile Rd, Novi, MI 48377-3600.
What is Diane Johnson-Loush's phone number?: The practice phone number listed in the NPPES registry for Diane Johnson-Loush is (248) 661-7393.
Is Diane Johnson-Loush's NPI active?: Yes — Diane Johnson-Loush's NPI (1639592546) is active in the NPPES registry as of the last update on 2014-01-28.

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