What is Sonja Greggersen's NPI number?

Sonja Greggersen's National Provider Identifier (NPI) is 1538511365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sonja Greggersen's specialty?

Sonja Greggersen is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Sonja Greggersen located?

Sonja Greggersen's practice location on file with NPPES is 221 Madison Ave, Franklin Square, NY 11010-3839.

What is Sonja Greggersen's phone number?

The practice phone number listed in the NPPES registry for Sonja Greggersen is (516) 860-6044.

Is Sonja Greggersen's NPI active?

Yes — Sonja Greggersen's NPI (1538511365) is active in the NPPES registry as of the last update on 2016-07-05.

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Sonja Greggersen

NPI 1538511365 · Speech-Language Pathologist · Franklin Square, NY

Sonja Greggersen is a Speech-Language Pathologist provider in Franklin Square, NY (NPI 1538511365).

Provider details

NPI number: 1538511365
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Sex: Female
Sole proprietor: Yes

Practice location

221 Madison Ave

Franklin Square, NY 11010-3839

Phone: (516) 860-6044

Street-level locationGet directions

More NY providers

Mailing address

221 Madison Ave

Franklin Square, NY 11010-3839

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000X
Speech, Language and Hearing Service Providers

Profile Score

Established profile(66/100 index)

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

Registry tenure38% of score
10 yrs in NPPES 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.

Enumerated: 2016-07-05
Last updated: 2016-07-05

Frequently asked questions

What is Sonja Greggersen's NPI number?: Sonja Greggersen's National Provider Identifier (NPI) is 1538511365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sonja Greggersen's specialty?: Sonja Greggersen is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
Where is Sonja Greggersen located?: Sonja Greggersen's practice location on file with NPPES is 221 Madison Ave, Franklin Square, NY 11010-3839.
What is Sonja Greggersen's phone number?: The practice phone number listed in the NPPES registry for Sonja Greggersen is (516) 860-6044.
Is Sonja Greggersen's NPI active?: Yes — Sonja Greggersen's NPI (1538511365) is active in the NPPES registry as of the last update on 2016-07-05.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions