What is Rebecca Sliwa's NPI number?

Rebecca Sliwa's National Provider Identifier (NPI) is 1427944669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Rebecca Sliwa's specialty?

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

Where is Rebecca Sliwa located?

Rebecca Sliwa's practice location on file with NPPES is 330 Delaware Ave, Buffalo, NY 14202-1868.

What is Rebecca Sliwa's phone number?

The practice phone number listed in the NPPES registry for Rebecca Sliwa is (716) 842-2750.

Is Rebecca Sliwa's NPI active?

Yes — Rebecca Sliwa's NPI (1427944669) is active in the NPPES registry as of the last update on 2025-06-16.

IndividualActive

Rebecca Sliwa

NPI 1427944669 · Mental Health Counselor · Buffalo, NY

Rebecca Sliwa is a Mental Health Counselor provider in Buffalo, NY (NPI 1427944669).

Provider details

NPI number: 1427944669
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social 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
1 yr 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.

Practice location

330 Delaware Ave

Buffalo, NY 14202-1868

Phone: (716) 842-2750

Street-level locationGet directions

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Mailing address