What is Nancy Geygan's NPI number?

Nancy Geygan's National Provider Identifier (NPI) is 1083813646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nancy Geygan's specialty?

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

Where is Nancy Geygan located?

Nancy Geygan's practice location on file with NPPES is 385 Oak St, Garden City, NY 11530-6543.

What is Nancy Geygan's phone number?

The practice phone number listed in the NPPES registry for Nancy Geygan is (516) 705-1353.

Is Nancy Geygan's NPI active?

Yes — Nancy Geygan's NPI (1083813646) is active in the NPPES registry as of the last update on 2007-07-13.

IndividualActive

Nancy Geygan, LCSW

NPI 1083813646 · Clinical Social Worker · Garden City, NY

Nancy Geygan, LCSW is a Clinical Social Worker provider in Garden City, NY (NPI 1083813646).

Provider details

NPI number: 1083813646
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: No
License: 029019R (NY)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 029019R (NY)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
18 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

385 Oak St

Garden City, NY 11530-6543

Phone: (516) 705-1353

Street-level locationGet directions

More NY providers

Mailing address

Po Box 798

Rockville Centre, NY 11571-0798

Enumerated: 2007-07-13
Last updated: 2007-07-13

Frequently asked questions

What is Nancy Geygan's NPI number?: Nancy Geygan's National Provider Identifier (NPI) is 1083813646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Nancy Geygan's specialty?: Nancy Geygan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Nancy Geygan located?: Nancy Geygan's practice location on file with NPPES is 385 Oak St, Garden City, NY 11530-6543.
What is Nancy Geygan's phone number?: The practice phone number listed in the NPPES registry for Nancy Geygan is (516) 705-1353.
Is Nancy Geygan's NPI active?: Yes — Nancy Geygan's NPI (1083813646) is active in the NPPES registry as of the last update on 2007-07-13.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.