What is Gideon Nachman's NPI number?

Gideon Nachman's National Provider Identifier (NPI) is 1265300479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gideon Nachman's specialty?

Gideon Nachman is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Gideon Nachman located?

Gideon Nachman's practice location on file with NPPES is 158 W 124th St, New York, NY 10027-4919.

What is Gideon Nachman's phone number?

The practice phone number listed in the NPPES registry for Gideon Nachman is (212) 523-9500.

Is Gideon Nachman's NPI active?

Yes — Gideon Nachman's NPI (1265300479) is active in the NPPES registry as of the last update on 2025-10-28.

IndividualActive

Gideon Nachman

NPI 1265300479 · Mental Health Counselor · New York, NY

Gideon Nachman is a Mental Health Counselor provider in New York, NY (NPI 1265300479).

Provider details

NPI number: 1265300479
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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

158 W 124th St

New York, NY 10027-4919

Phone: (212) 523-9500

Street-level locationGet directions

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Mailing address