What is Gregory Gelber's NPI number?

Gregory Gelber's National Provider Identifier (NPI) is 1154281061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Gelber's specialty?

Gregory Gelber is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Gregory Gelber located?

Gregory Gelber's practice location on file with NPPES is 3219 Overland Ave Apt 6188, Los Angeles, CA 90034-4513.

What is Gregory Gelber's phone number?

The practice phone number listed in the NPPES registry for Gregory Gelber is (310) 709-4415.

Is Gregory Gelber's NPI active?

Yes — Gregory Gelber's NPI (1154281061) is active in the NPPES registry as of the last update on 2025-11-13.

IndividualActive

Gregory Gelber

NPI 1154281061 · Clinical Social Worker · Los Angeles, CA

Gregory Gelber is a Clinical Social Worker provider in Los Angeles, CA (NPI 1154281061).

Provider details

NPI number: 1154281061
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

3219 Overland Ave Apt 6188

Los Angeles, CA 90034-4513

Phone: (310) 709-4415

Street-level locationGet directions

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Mailing address