What is Derez Diltz's NPI number?

Derez Diltz's National Provider Identifier (NPI) is 1215864533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Derez Diltz's specialty?

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

Where is Derez Diltz located?

Derez Diltz's practice location on file with NPPES is 221 E 58th St Apt 4e, New York, NY 10022-1223.

What is Derez Diltz's phone number?

The practice phone number listed in the NPPES registry for Derez Diltz is (314) 332-6690.

Is Derez Diltz's NPI active?

Yes — Derez Diltz's NPI (1215864533) is active in the NPPES registry as of the last update on 2026-05-08.

IndividualActive

Derez Diltz

NPI 1215864533 · Clinical Social Worker · New York, NY

Derez Diltz is a Clinical Social Worker provider in New York, NY (NPI 1215864533).

Provider details

NPI number: 1215864533
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: 131142 (NY)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 131142 (NY)
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

221 E 58th St Apt 4e

New York, NY 10022-1223

Phone: (314) 332-6690

Street-level locationGet directions

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Mailing address