What is Julius Mark's NPI number?

Julius Mark's National Provider Identifier (NPI) is 1780560789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Julius Mark's specialty?

Julius Mark is listed in the NPPES registry with a primary specialty of Case Management Agency (Agencies).

Where is Julius Mark located?

Julius Mark's practice location on file with NPPES is 333 Earle Ovington Blvd, Uniondale, NY 11553-3610.

What is Julius Mark's phone number?

The practice phone number listed in the NPPES registry for Julius Mark is (646) 912-2547.

Is Julius Mark's NPI active?

Yes — Julius Mark's NPI (1780560789) is active in the NPPES registry as of the last update on 2025-08-14.

IndividualActive

Julius Mark

NPI 1780560789 · Case Management Agency · Uniondale, NY

Julius Mark is a Case Management Agency provider in Uniondale, NY (NPI 1780560789).

Provider details

NPI number: 1780560789
Entity type: Individual
Primary specialty: Case Management AgencyAgencies
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Case Management AgencyPrimary251B00000X
Agencies

Profile Score

Basic profile(48/100 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

333 Earle Ovington Blvd

Uniondale, NY 11553-3610

Phone: (646) 912-2547

Street-level locationGet directions

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Mailing address