What is Greta Weiss's NPI number?

Greta Weiss's National Provider Identifier (NPI) is 1255283396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Greta Weiss's specialty?

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

Where is Greta Weiss located?

Greta Weiss's practice location on file with NPPES is 138 E 2nd St, Oswego, NY 13126-2625.

What is Greta Weiss's phone number?

The practice phone number listed in the NPPES registry for Greta Weiss is (315) 343-3344.

Is Greta Weiss's NPI active?

Yes — Greta Weiss's NPI (1255283396) is active in the NPPES registry as of the last update on 2026-02-11.

IndividualActive

Greta Weiss

NPI 1255283396 · Mental Health Counselor · Oswego, NY

Greta Weiss is a Mental Health Counselor provider in Oswego, NY (NPI 1255283396).

Provider details

NPI number: 1255283396
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: P136913 (NY)

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800XLicense P136913 (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

138 E 2nd St

Oswego, NY 13126-2625

Phone: (315) 343-3344

Fax: (877) 522-7977

Street-level locationGet directions

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Mailing address