What is Charles Grassi's NPI number?

Charles Grassi's National Provider Identifier (NPI) is 1760194807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Charles Grassi's specialty?

Charles Grassi is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Charles Grassi located?

Charles Grassi's practice location on file with NPPES is 1333 S Mayflower Ave Ste 220, Monrovia, CA 91016-5239.

What is Charles Grassi's phone number?

The practice phone number listed in the NPPES registry for Charles Grassi is (818) 241-6780.

Is Charles Grassi's NPI active?

Yes — Charles Grassi's NPI (1760194807) is active in the NPPES registry as of the last update on 2022-12-20.

IndividualActive

Charles Grassi

NPI 1760194807 · Behavior Technician · Monrovia, CA

Charles Grassi is a Behavior Technician provider in Monrovia, CA (NPI 1760194807).

Provider details

NPI number: 1760194807
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
3 yrs in NPPES registry
Profile completeness38% of score
83% 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

1333 S Mayflower Ave Ste 220

Monrovia, CA 91016-5239

Phone: (818) 241-6780

Street-level locationGet directions

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Mailing address