What is Marjorie Charlop's NPI number?

Marjorie Charlop's National Provider Identifier (NPI) is 1861730137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marjorie Charlop's specialty?

Marjorie Charlop is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Marjorie Charlop located?

Marjorie Charlop's practice location on file with NPPES is 850 Columbia Ave, Claremont, CA 91711-3901.

What is Marjorie Charlop's phone number?

The practice phone number listed in the NPPES registry for Marjorie Charlop is (909) 621-8598.

Is Marjorie Charlop's NPI active?

Yes — Marjorie Charlop's NPI (1861730137) is active in the NPPES registry as of the last update on 2013-01-22.

IndividualActive

Marjorie Charlop, PH.D.

NPI 1861730137 · Behavior Analyst · Claremont, CA

Marjorie Charlop, PH.D. is a Behavior Analyst provider in Claremont, CA (NPI 1861730137).

Provider details

NPI number: 1861730137
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Female
Sole proprietor: Yes
License: PSY 9238 (CA)

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense PSY 9238 (CA)
Behavioral Health & Social Service Providers
Psychologist103T00000XLicense PSY 9238 (CA)
Behavioral Health & Social Service Providers
Cognitive & Behavioral Psychologist103TB0200XLicense PSY 9238 (CA)
Behavioral Health & Social Service Providers
Clinical Child & Adolescent Psychologist103TC2200XLicense PSY 9238 (CA)
Behavioral Health & Social Service Providers
Family Psychologist103TF0000XLicense PSY 9238 (CA)
Behavioral Health & Social Service Providers
Intellectual & Developmental Disabilities Psychologist103TM1800X

Profile Score

Detailed profile(78/100 index)

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

Registry tenure38% of score
13 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

850 Columbia Ave

Psychology Department/Claremont Mckenna College

Claremont, CA 91711-3901

Phone: (909) 621-8598

Fax: (909) 621-8419

Street-level locationGet directions

More CA providers

Mailing address

850 Columbia Avenue

Claremont, CA 91711

Enumerated: 2013-01-22
Last updated: 2013-01-22

Frequently asked questions

What is Marjorie Charlop's NPI number?: Marjorie Charlop's National Provider Identifier (NPI) is 1861730137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marjorie Charlop's specialty?: Marjorie Charlop is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
Where is Marjorie Charlop located?: Marjorie Charlop's practice location on file with NPPES is 850 Columbia Ave, Claremont, CA 91711-3901.
What is Marjorie Charlop's phone number?: The practice phone number listed in the NPPES registry for Marjorie Charlop is (909) 621-8598.
Is Marjorie Charlop's NPI active?: Yes — Marjorie Charlop's NPI (1861730137) is active in the NPPES registry as of the last update on 2013-01-22.

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