What is Damian Grieser's NPI number?

Damian Grieser's National Provider Identifier (NPI) is 1376358390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Damian Grieser's specialty?

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

Where is Damian Grieser located?

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

What is Damian Grieser's phone number?

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

Is Damian Grieser's NPI active?

Yes — Damian Grieser's NPI (1376358390) is active in the NPPES registry as of the last update on 2025-02-11.

IndividualActive

Damian Grieser

NPI 1376358390 · Behavior Technician · Monrovia, CA

Damian Grieser is a Behavior Technician provider in Monrovia, CA (NPI 1376358390).

Provider details

NPI number: 1376358390
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

Basic profile(49/100 index)

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

Registry tenure38% of score
1 yr 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