What is Chelsea Grossman's NPI number?

Chelsea Grossman's National Provider Identifier (NPI) is 1548159940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Chelsea Grossman's specialty?

Chelsea Grossman is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Chelsea Grossman located?

Chelsea Grossman's practice location on file with NPPES is 750 Hicksville Rd, Seaford, NY 11783-1328.

What is Chelsea Grossman's phone number?

The practice phone number listed in the NPPES registry for Chelsea Grossman is (516) 520-6000.

Is Chelsea Grossman's NPI active?

Yes — Chelsea Grossman's NPI (1548159940) is active in the NPPES registry as of the last update on 2025-06-30.

IndividualActive

Chelsea Grossman

NPI 1548159940 · Specialist · Seaford, NY

Chelsea Grossman is a Specialist provider in Seaford, NY (NPI 1548159940).

Provider details

NPI number: 1548159940
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

SpecialistPrimary174400000X
Other Service Providers

Profile Score

Basic profile(48/100 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

750 Hicksville Rd

Seaford, NY 11783-1328

Phone: (516) 520-6000

Approximate (ZIP-level) locationGet directions

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Mailing address