What is Max Marshall's NPI number?

Max Marshall's National Provider Identifier (NPI) is 1407534621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Max Marshall's specialty?

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

Where is Max Marshall located?

Max Marshall's practice location on file with NPPES is 934 W Wilson Ave Apt 1d, Chicago, IL 60640-1096.

What is Max Marshall's phone number?

The practice phone number listed in the NPPES registry for Max Marshall is (773) 576-4689.

Is Max Marshall's NPI active?

Yes — Max Marshall's NPI (1407534621) is active in the NPPES registry as of the last update on 2025-02-25.

IndividualActive

Max Marshall

NPI 1407534621 · Social Worker · Chicago, IL

Max Marshall is a Social Worker provider in Chicago, IL (NPI 1407534621).

Provider details

NPI number: 1407534621
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: 150.112617 (IL)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 150.112617 (IL)
Behavioral Health & Social Service Providers
Counselor101Y00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(58/100 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
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

934 W Wilson Ave Apt 1d

Chicago, IL 60640-1096

Phone: (773) 576-4689

Street-level locationGet directions

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Mailing address