What is Mary Black's NPI number?

Mary Black's National Provider Identifier (NPI) is 1821843475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Black's specialty?

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

Where is Mary Black located?

Mary Black's practice location on file with NPPES is 601 Bayonet Cir, Marina, CA 93933-4600.

What is Mary Black's phone number?

The practice phone number listed in the NPPES registry for Mary Black is (831) 647-3000.

Is Mary Black's NPI active?

Yes — Mary Black's NPI (1821843475) is active in the NPPES registry as of the last update on 2025-10-15.

IndividualActive

Mary Black

NPI 1821843475 · Day Training/Habilitation Specialist · Marina, CA

Mary Black is a Day Training/Habilitation Specialist provider in Marina, CA (NPI 1821843475).

Provider details

NPI number: 1821843475
Entity type: Individual
Primary specialty: Day Training/Habilitation SpecialistNursing Service Related Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Day Training/Habilitation SpecialistPrimary373H00000X
Nursing Service Related Providers

Profile Score

Established profile(50/100 index)

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

Registry tenure38% of score
2 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

601 Bayonet Cir

Marina, CA 93933-4600

Phone: (831) 647-3000

Street-level locationGet directions

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Mailing address