What is Diane O'Brien's NPI number?

Diane O'Brien's National Provider Identifier (NPI) is 1538312020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Diane O'Brien's specialty?

Diane O'Brien is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Diane O'Brien located?

Diane O'Brien's practice location on file with NPPES is 555 27th St, Niagara Falls, NY 14301-2525.

What is Diane O'Brien's phone number?

The practice phone number listed in the NPPES registry for Diane O'Brien is (716) 297-0798.

Is Diane O'Brien's NPI active?

Yes — Diane O'Brien's NPI (1538312020) is active in the NPPES registry as of the last update on 2008-10-28.

IndividualActive

Diane O'Brien, MA CCC/SLP

NPI 1538312020 · Speech-Language Pathologist · Niagara Falls, NY

Diane O'Brien, MA CCC/SLP is a Speech-Language Pathologist provider in Niagara Falls, NY (NPI 1538312020).

Provider details

NPI number: 1538312020
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Credential: MA CCC/SLP
Sex: Female
Sole proprietor: Yes
License: 004660-1 (NY)

Practice location

555 27th St

Niagara Falls, NY 14301-2525

Phone: (716) 297-0798

Fax: (716) 297-0998

Street-level locationGet directions

More NY providers

Mailing address

555 27th St

Niagara Falls, NY 14301-2525

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense 004660-1 (NY)
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(87/100 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.

Enumerated: 2008-10-28
Last updated: 2008-10-28

Frequently asked questions

What is Diane O'Brien's NPI number?: Diane O'Brien's National Provider Identifier (NPI) is 1538312020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Diane O'Brien's specialty?: Diane O'Brien is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
Where is Diane O'Brien located?: Diane O'Brien's practice location on file with NPPES is 555 27th St, Niagara Falls, NY 14301-2525.
What is Diane O'Brien's phone number?: The practice phone number listed in the NPPES registry for Diane O'Brien is (716) 297-0798.
Is Diane O'Brien's NPI active?: Yes — Diane O'Brien's NPI (1538312020) is active in the NPPES registry as of the last update on 2008-10-28.

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