What is Mark Gills's NPI number?

Mark Gills's National Provider Identifier (NPI) is 1558291666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Gills's specialty?

Mark Gills is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).

Where is Mark Gills located?

Mark Gills's practice location on file with NPPES is 3800 Coolidge Ave, Oakland, CA 94602-3399.

What is Mark Gills's phone number?

The practice phone number listed in the NPPES registry for Mark Gills is (510) 482-2244.

Is Mark Gills's NPI active?

Yes — Mark Gills's NPI (1558291666) is active in the NPPES registry as of the last update on 2026-05-20.

IndividualActive

Mark Gills

NPI 1558291666 · Day Training/Habilitation Specialist · Oakland, CA

Mark Gills is a Day Training/Habilitation Specialist provider in Oakland, CA (NPI 1558291666).

Provider details

NPI number: 1558291666
Entity type: Individual
Primary specialty: Day Training/Habilitation SpecialistNursing Service Related Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Day Training/Habilitation SpecialistPrimary373H00000X
Nursing Service Related Providers

Profile Score

Basic profile(46/100 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

3800 Coolidge Ave

Oakland, CA 94602-3399

Phone: (510) 482-2244

Street-level locationGet directions

More CA providers

Mailing address