What is Larissa Portnoff's NPI number?

Larissa Portnoff's National Provider Identifier (NPI) is 1043986664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Larissa Portnoff's specialty?

Larissa Portnoff is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Larissa Portnoff located?

Larissa Portnoff's practice location on file with NPPES is 37 W 20th St, New York, NY 10011-3706.

What is Larissa Portnoff's phone number?

The practice phone number listed in the NPPES registry for Larissa Portnoff is (212) 256-1659.

Is Larissa Portnoff's NPI active?

Yes — Larissa Portnoff's NPI (1043986664) is active in the NPPES registry as of the last update on 2021-08-23.

IndividualActive

Larissa Portnoff

NPI 1043986664 · Clinical Psychologist · New York, NY

Larissa Portnoff is a Clinical Psychologist provider in New York, NY (NPI 1043986664).

Provider details

NPI number: 1043986664
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: 110582-01 (NY)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 110582-01 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(62/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
4 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

37 W 20th St

New York, NY 10011-3706

Phone: (212) 256-1659

Street-level locationGet directions

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Mailing address