What is Michael Marks's NPI number?

Michael Marks's National Provider Identifier (NPI) is 1841155850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Marks's specialty?

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

Where is Michael Marks located?

Michael Marks's practice location on file with NPPES is 21228 S Western Ave Apt 14, Torrance, CA 90501-2946.

What is Michael Marks's phone number?

The practice phone number listed in the NPPES registry for Michael Marks is (310) 819-7193.

Is Michael Marks's NPI active?

Yes — Michael Marks's NPI (1841155850) is active in the NPPES registry as of the last update on 2025-12-22.

IndividualActive

Michael Marks

NPI 1841155850 · Social Worker · Torrance, CA

Michael Marks is a Social Worker provider in Torrance, CA (NPI 1841155850).

Provider details

NPI number: 1841155850
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: B8834038 (CA)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense B8834038 (CA)
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
Under 1 yr in registry
Profile completeness38% of score
100% 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

21228 S Western Ave Apt 14

Torrance, CA 90501-2946

Phone: (310) 819-7193

Street-level locationGet directions

More CA providers

Mailing address